diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md index ad9ec2e..9f4a5ac 100644 --- a/CONTRIBUTING.md +++ b/CONTRIBUTING.md @@ -1,5 +1,7 @@ # Contributing + > _A real community, however, exists only when its members interact in a meaningful way that deepens their understanding of each other and leads to learning._ + If you would like to support this project, have an interesting idea how to improve the operation of this tool, or if you found some errors - fork this, add your fixes, and add a pull request of your branch to the **master branch**. ## Signature of commit diff --git a/README.md b/README.md index 9ad00b4..ae7e5d7 100644 --- a/README.md +++ b/README.md @@ -74,10 +74,10 @@ Only main chapters: - **[Web Tools](#web-tools-toc)** - **[Systems/Services](#systemsservices-toc)** - **[Networks](#networks-toc)** +- **[Containers/Orchestration](#containersorchestration-toc)** - **[Manuals/Howtos/Tutorials](#manualshowtostutorials-toc)** -- **[Videos/Presentations](#videospresentations-toc)** - **[Inspiring Lists](#inspiring-lists-toc)** -- **[Blogs](#blogs-toc)** +- **[Blogs/Podcasts/Videos](#blogspodcastsvideos-toc)** - **[Hacking/Penetration Testing](#hackingpenetration-testing-toc)** - **[Your daily knowledge and news](#your-daily-knowledge-and-news-toc)** - **[Other Cheat Sheets](#other-cheat-sheets-toc)** @@ -93,20 +93,20 @@ Only main chapters:

  :small_orange_diamond: GNU Bash - is an sh-compatible shell that incorporates useful features from the Korn shell and C shell.
  :small_orange_diamond: Zsh - is a shell designed for interactive use, although it is also a powerful scripting language.
-  :small_orange_diamond: bash-it - framework for using, developing and maintaining shell scripts and custom commands for your daily work.
-  :small_orange_diamond: Oh My ZSH! - the best framework for managing your Zsh configuration.
+  :small_orange_diamond: bash-it - is a framework for using, developing and maintaining shell scripts and custom commands.
+  :small_orange_diamond: Oh My ZSH! - is the best framework for managing your Zsh configuration.
  :small_orange_diamond: Oh My Fish - the Fishshell framework.

##### :black_small_square: Managers

-  :small_orange_diamond: Midnight Commander - visual file manager, licensed under GNU General Public License.
-  :small_orange_diamond: ranger - a VIM-inspired filemanager for the console.
-  :small_orange_diamond: nnn - tiny, lightning fast, feature-packed file manager.
-  :small_orange_diamond: screen - full-screen window manager that multiplexes a physical terminal.
-  :small_orange_diamond: tmux - terminal multiplexer, lets you switch easily between several programs in one terminal.
-  :small_orange_diamond: tmux-cssh - sets a comfortable and easy to use functionality, clustering and synchronizing virtual tmux-sessions.
+  :small_orange_diamond: Midnight Commander - is a visual file manager, licensed under GNU General Public License.
+  :small_orange_diamond: ranger - is a VIM-inspired filemanager for the console.
+  :small_orange_diamond: nnn - is a tiny, lightning fast, feature-packed file manager.
+  :small_orange_diamond: screen - is a full-screen window manager that multiplexes a physical terminal.
+  :small_orange_diamond: tmux - is a terminal multiplexer, lets you switch easily between several programs in one terminal.
+  :small_orange_diamond: tmux-cssh - is a tool to set comfortable and easy to use functionality, clustering and synchronizing tmux-sessions.

##### :black_small_square: Text editors @@ -114,68 +114,81 @@ Only main chapters:

  :small_orange_diamond: vi - is one of the most common text editors on Unix.
  :small_orange_diamond: vim - is a highly configurable text editor.
-  :small_orange_diamond: emacs - an extensible, customizable, free/libre text editor - and more.
+  :small_orange_diamond: emacs - is an extensible, customizable, free/libre text editor - and more.
+

+ +##### :black_small_square: Files and directories + +

+  :small_orange_diamond: fd - is a simple, fast and user-friendly alternative to find.

##### :black_small_square: Network

  :small_orange_diamond: PuTTY - is an SSH and telnet client, developed originally by Simon Tatham.
-  :small_orange_diamond: nmap - free and open source (license) utility for network discovery and security auditing.
-  :small_orange_diamond: masscan - the fastest Internet port scanner, spews SYN packets asynchronously.
-  :small_orange_diamond: pbscan - faster and more efficient stateless SYN scanner and banner grabber.
-  :small_orange_diamond: hping - command-line oriented TCP/IP packet assembler/analyzer.
-  :small_orange_diamond: mtr - functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool.
-  :small_orange_diamond: netcat - networking utility which reads and writes data across network connections, using the TCP/IP protocol.
-  :small_orange_diamond: tcpdump - powerful command-line packet analyzer.
-  :small_orange_diamond: tshark - dump and analyze network traffic (wireshark cli).
+  :small_orange_diamond: nmap - is a free and open source (license) utility for network discovery and security auditing.
+  :small_orange_diamond: masscan - is the fastest Internet port scanner, spews SYN packets asynchronously.
+  :small_orange_diamond: pbscan - is a faster and more efficient stateless SYN scanner and banner grabber.
+  :small_orange_diamond: hping - is a command-line oriented TCP/IP packet assembler/analyzer.
+  :small_orange_diamond: mtr - is a tool that combines the functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool.
+  :small_orange_diamond: netcat - is a networking utility which reads and writes data across network connections, using the TCP/IP protocol.
+  :small_orange_diamond: tcpdump - is a powerful command-line packet analyzer.
+  :small_orange_diamond: tshark - is a tool that allows us to dump and analyze network traffic (wireshark cli).
  :small_orange_diamond: Termshark - is a simple terminal user-interface for tshark.
  :small_orange_diamond: ngrep - is like GNU grep applied to the network layer.
+  :small_orange_diamond: sockdump - dump unix domain socket traffic.
  :small_orange_diamond: stenographer - is a packet capture solution which aims to quickly spool all packets to disk.
-  :small_orange_diamond: bmon - monitoring and debugging tool to capture networking related statistics and prepare them visually.
+  :small_orange_diamond: bmon - is a monitoring and debugging tool to capture networking related statistics and prepare them visually.
  :small_orange_diamond: iptraf-ng - is a console-based network monitoring program for Linux that displays information about IP traffic.
  :small_orange_diamond: iPerf3 - is a tool for active measurements of the maximum achievable bandwidth on IP networks.
  :small_orange_diamond: ethr - is a Network Performance Measurement Tool for TCP, UDP & HTTP.
  :small_orange_diamond: Etherate - is a Linux CLI based Ethernet and MPLS traffic testing tool.
+  :small_orange_diamond: echoip - is a IP address lookup service.
  :small_orange_diamond: Nemesis - packet manipulation CLI tool; craft and inject packets of several protocols.
  :small_orange_diamond: packetfu - a mid-level packet manipulation library for Ruby.
  :small_orange_diamond: Scapy - packet manipulation library; forge, send, decode, capture packets of a wide number of protocols.
  :small_orange_diamond: impacket - is a collection of Python classes for working with network protocols.
-  :small_orange_diamond: ssh-audit - SSH server auditing.
+  :small_orange_diamond: ssh-audit - is a tool for SSH server auditing.
  :small_orange_diamond: aria2 - is a lightweight multi-protocol & multi-source command-line download utility.
+  :small_orange_diamond: iptables-tracer - observe the path of packets through the iptables chains.

##### :black_small_square: Network (DNS)

-  :small_orange_diamond: fierce - a DNS reconnaissance tool for locating non-contiguous IP space.
+  :small_orange_diamond: fierce - is a DNS reconnaissance tool for locating non-contiguous IP space.
  :small_orange_diamond: subfinder - is a subdomain discovery tool that discovers valid subdomains for websites.
-  :small_orange_diamond: sublist3r - fast subdomains enumeration tool for penetration testers.
-  :small_orange_diamond: amass - tool obtains subdomain names by scraping data sources, crawling web archives and more.
+  :small_orange_diamond: sublist3r - is a fast subdomains enumeration tool for penetration testers.
+  :small_orange_diamond: amass - is tool that obtains subdomain names by scraping data sources, crawling web archives and more.
  :small_orange_diamond: namebench - provides personalized DNS server recommendations based on your browsing history.
+  :small_orange_diamond: knock - is a tool to enumerate subdomains on a target domain through a wordlist.
  :small_orange_diamond: dnscrypt-proxy 2 - a flexible DNS proxy, with support for encrypted DNS protocols.
+  :small_orange_diamond: dnsdbq - API client providing access to passive DNS database systems (pDNS at Farsight Security, CIRCL pDNS).

##### :black_small_square: Network (HTTP)

-  :small_orange_diamond: Curl - command line tool and library for transferring data with URLs.
+  :small_orange_diamond: Curl - is a command line tool and library for transferring data with URLs.
  :small_orange_diamond: kurly - is an alternative to the widely popular curl program, written in Golang.
-  :small_orange_diamond: HTTPie - a user-friendly HTTP client.
-  :small_orange_diamond: wuzz - interactive cli tool for HTTP inspection.
-  :small_orange_diamond: htrace.sh - simple Swiss Army knife for http/https troubleshooting and profiling.
-  :small_orange_diamond: httpstat - visualizes curl statistics in a way of beauty and clarity.
-  :small_orange_diamond: httplab - the interactive web server.
+  :small_orange_diamond: HTTPie - is an user-friendly HTTP client.
+  :small_orange_diamond: wuzz - is an interactive cli tool for HTTP inspection.
+  :small_orange_diamond: htrace.sh - is a simple Swiss Army knife for http/https troubleshooting and profiling.
+  :small_orange_diamond: httpstat - is a tool that visualizes curl statistics in a way of beauty and clarity.
+  :small_orange_diamond: httplab - is an interactive web server.
  :small_orange_diamond: Lynx - is a text browser for the World Wide Web.
  :small_orange_diamond: HeadlessBrowsers - a list of (almost) all headless web browsers in existence.
  :small_orange_diamond: ab - is a single-threaded command line tool for measuring the performance of HTTP web servers.
  :small_orange_diamond: siege - is an http load testing and benchmarking utility.
  :small_orange_diamond: wrk - is a modern HTTP benchmarking tool capable of generating significant load.
-  :small_orange_diamond: bombardier - fast cross-platform HTTP benchmarking tool written in Go.
+  :small_orange_diamond: wrk2 - is a constant throughput, correct latency recording variant of wrk.
+  :small_orange_diamond: bombardier - is a fast cross-platform HTTP benchmarking tool written in Go.
  :small_orange_diamond: gobench - http/https load testing and benchmarking tool.
  :small_orange_diamond: hey - HTTP load generator, ApacheBench (ab) replacement, formerly known as rakyll/boom.
  :small_orange_diamond: boom - is a script you can use to quickly smoke-test your web app deployment.
-  :small_orange_diamond: gobuster - free and open source directory/file & DNS busting tool written in Go.
+  :small_orange_diamond: SlowHTTPTest - is a tool that simulates some Application Layer Denial of Service attacks by prolonging HTTP.
+  :small_orange_diamond: gobuster - is a free and open source directory/file & DNS busting tool written in Go.

##### :black_small_square: SSL @@ -200,6 +213,8 @@ Only main chapters:

  :small_orange_diamond: SELinux - provides a flexible Mandatory Access Control (MAC) system built into the Linux kernel.
  :small_orange_diamond: AppArmor - proactively protects the operating system and applications from external or internal threats.
+  :small_orange_diamond: grapheneX - Automated System Hardening Framework.
+  :small_orange_diamond: DevSec Hardening Framework - Security + DevOps: Automatic Server Hardening.

##### :black_small_square: Auditing Tools @@ -268,7 +283,8 @@ Only main chapters:   :small_orange_diamond: Tig - text-mode interface for Git.
  :small_orange_diamond: tldr - simplified and community-driven man pages.
  :small_orange_diamond: archiver - easily create and extract .zip, .tar, .tar.gz, .tar.bz2, .tar.xz, .tar.lz4, .tar.sz, and .rar.
-  :small_orange_diamond: commander.js - minimal CLI creator in JavaScript.
+  :small_orange_diamond: commander.js - minimal CLI creator in JavaScript.
+  :small_orange_diamond: gron - make JSON greppable!

#### GUI Tools  [[TOC]](#anger-table-of-contents) @@ -294,7 +310,7 @@ Only main chapters: ##### :black_small_square: Browsers

-  :small_orange_diamond: TOR Browser - protect your privacy and defend yourself against network surveillance and traffic analysis.
+  :small_orange_diamond: TOR Browser - protect your privacy and defend yourself against network surveillance and traffic analysis.

##### :black_small_square: Password Managers @@ -333,7 +349,7 @@ Only main chapters:

  :small_orange_diamond: SSL/TLS Capabilities of Your Browser - test your browser's SSL implementation.
-  :small_orange_diamond: Can I use - provides up-to-date browser support tables for support of front-end web technologies.
+  :small_orange_diamond: Can I use - provides up-to-date browser support tables for support of front-end web technologies.
  :small_orange_diamond: Panopticlick 3.0 - is your browser safe against tracking?
  :small_orange_diamond: Privacy Analyzer - see what data is exposed from your browser.
  :small_orange_diamond: Web Browser Security - it's all about Web Browser fingerprinting.
@@ -346,8 +362,8 @@ Only main chapters:

  :small_orange_diamond: SSLLabs Server Test - free online service performs a deep analysis of the configuration of any SSL web server.
  :small_orange_diamond: SSLLabs Server Test (DEV) - free online service performs a deep analysis of the configuration of any SSL web server.
-  :small_orange_diamond: ImmuniWeb® SSLScan - test SSL/TLS (PCI DSS, HIPAA and NIST).
-  :small_orange_diamond: COMODO SSL Analyzer - ssl analyzer and ssl certificate checker.
+  :small_orange_diamond: ImmuniWeb® SSLScan - test SSL/TLS (PCI DSS, HIPAA and NIST).
+  :small_orange_diamond: COMODO SSL Analyzer - ssl analyzer and ssl certificate checker.*
  :small_orange_diamond: SSL Check - scan your website for non-secure content.
  :small_orange_diamond: CryptCheck - test your TLS server configuration (e.g. ciphers).
  :small_orange_diamond: urlscan.io - service to scan and analyse websites.
@@ -406,7 +422,7 @@ Only main chapters:   :small_orange_diamond: MX Toolbox - all of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.
  :small_orange_diamond: blacklistalert - checks to see if your domain is on a Real Time Spam Blacklist.
  :small_orange_diamond: MultiRBL - complete IP check for sending Mailservers.
-  :small_orange_diamond: DKIM SPF & Spam Assassin Validator - checks mail authentication and scores messages with Spam Assassin.
+  :small_orange_diamond: DKIM SPF & Spam Assassin Validator - checks mail authentication and scores messages with Spam Assassin.

##### :black_small_square: Encoders/Decoders and Regex testing @@ -424,15 +440,15 @@ Only main chapters: ##### :black_small_square: Net-tools

-  :small_orange_diamond: Netcraft - detailed report about the site, helping you to make informed choices about their integrity.
+  :small_orange_diamond: Netcraft - detailed report about the site, helping you to make informed choices about their integrity.*
  :small_orange_diamond: RIPE NCC - not-for-profit membership association, a Regional Internet Registry and the secretariat for the RIPE.
  :small_orange_diamond: Robtex - uses various sources to gather public information about IP numbers, domain names, host names, routes etc.
  :small_orange_diamond: Security Trails - APIs for Security Companies, Researchers and Teams.
  :small_orange_diamond: Online Curl - curl test, analyze HTTP Response Headers.
-  :small_orange_diamond: Ping.eu - online Ping, Traceroute, DNS lookup, WHOIS and others.
+  :small_orange_diamond: Ping.eu - online Ping, Traceroute, DNS lookup, WHOIS and others.
  :small_orange_diamond: Network-Tools - network tools for webmasters, IT technicians & geeks.
  :small_orange_diamond: Riseup - provides online communication tools for people and groups working on liberatory social change.
-  :small_orange_diamond: VirusTotal - analyze suspicious files and URLs to detect types of malware.
+  :small_orange_diamond: VirusTotal - analyze suspicious files and URLs to detect types of malware.

##### :black_small_square: Privacy @@ -448,7 +464,6 @@ Only main chapters:   :small_orange_diamond: ShellCheck - finds bugs in your shell scripts.
  :small_orange_diamond: explainshell - get interactive help texts for shell commands.
  :small_orange_diamond: jsbin - live pastebin for HTML, CSS & JavaScript and more.
-  :small_orange_diamond: CodePen - a social development environment for front-end designers and developers.
  :small_orange_diamond: CodeSandbox - online code editor for web application development. Supports React, Vue, Angular, CxJS, Dojo, etc.
  :small_orange_diamond: PHP Sandbox - test your PHP code with this code tester.
  :small_orange_diamond: Repl.it - an instant IDE to learn, build, collaborate, and host all in one place.
@@ -474,6 +489,7 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: Shodan 2000 - do you use Shodan for everyday work? This tool looks for randomly generated data from Shodan.
  :small_orange_diamond: GreyNoise - mass scanner such as Shodan and Censys.
  :small_orange_diamond: ZoomEye - search engine for cyberspace that lets the user find specific network components.
+  :small_orange_diamond: netograph - tools to monitor and understand deep structure of the web.
  :small_orange_diamond: FOFA - is a cyberspace search engine.
  :small_orange_diamond: onyphe - is a search engine for open-source and cyber threat intelligence data collected.
  :small_orange_diamond: IntelligenceX - is a search engine and data archive.
@@ -481,14 +497,14 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: wigle - is a submission-based catalog of wireless networks. All the networks. Found by Everyone.
  :small_orange_diamond: PublicWWW - find any alphanumeric snippet, signature or keyword in the web pages HTML, JS and CSS code.
  :small_orange_diamond: IntelTechniques - this repository contains hundreds of online search utilities.
-  :small_orange_diamond: Hackle - search engine for hackers and security professionals.
+  :small_orange_diamond: Hackle - search engine for hackers and security professionals.*
  :small_orange_diamond: hunter - lets you find email addresses in seconds and connect with the people that matter for your business.
  :small_orange_diamond: GhostProject? - search by full email address or username.
  :small_orange_diamond: databreaches - was my email affected by data breach?
  :small_orange_diamond: Buckets by Grayhatwarfar - database with public search for Open Amazon S3 Buckets and their contents.
  :small_orange_diamond: Vigilante.pw - the breached database directory.
  :small_orange_diamond: builtwith - find out what websites are built with.
-  :small_orange_diamond: Mamont's open FTP Index - if a target has an open FTP site with accessible content it will be listed here.
+  :small_orange_diamond: Mamont's open FTP Index - if a target has an open FTP site with accessible content it will be listed here.
  :small_orange_diamond: OSINT Framework - focused on gathering information from free tools or resources.
  :small_orange_diamond: maltiverse - is a service oriented to cybersecurity analysts for the advanced analysis of indicators of compromise.
  :small_orange_diamond: Leaked Source - is a collaboration of data found online in the form of a lookup.
@@ -503,10 +519,17 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: index-of - contains great stuff like: security, hacking, reverse engineering, cryptography, programming etc.

+##### :black_small_square: Generators + +

+  :small_orange_diamond: thispersondoesnotexist - generate fake faces in one click - endless possibilities.
+  :small_orange_diamond: Intigriti Redirector - open redirect/SSRF payload generator.
+

+ ##### :black_small_square: Passwords

-  :small_orange_diamond: Gotcha? - list of 1.4 billion accounts circulates around the Internet.
+  :small_orange_diamond: Gotcha? - list of 1.4 billion accounts circulates around the Internet.*
  :small_orange_diamond: have i been pwned? - check if you have an account that has been compromised in a data breach.

@@ -519,13 +542,14 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: 0day.today - exploits market provides you the possibility to buy zero-day exploits and also to sell 0day exploits.
  :small_orange_diamond: sploitus - the exploit and tools database.
  :small_orange_diamond: cxsecurity - free vulnerability database.
+  :small_orange_diamond: Vulncode-DB - is a database for vulnerabilities and their corresponding source code if available.
  :small_orange_diamond: cveapi - free API for CVE data.

##### :black_small_square: Mobile apps scanners

-  :small_orange_diamond: ImmuniWeb® Mobile App Scanner - test security and privacy of mobile apps (iOS & Android).
+  :small_orange_diamond: ImmuniWeb® Mobile App Scanner - test security and privacy of mobile apps (iOS & Android).
  :small_orange_diamond: Quixxi - free Mobile App Vulnerability Scanner for Android & iOS.
  :small_orange_diamond: Ostorlab - analyzes mobile application to identify vulnerabilities and potential weaknesses.

@@ -535,6 +559,7 @@ performance of any of your sites from across the globe.

  :small_orange_diamond: Startpage - the world's most private search engine.
  :small_orange_diamond: searX - a privacy-respecting, hackable metasearch engine.
+  :small_orange_diamond: darksearch - the 1st real Dark Web search engine.

##### :black_small_square: Secure WebMail Providers @@ -559,12 +584,6 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: SKS OpenPGP Key server - services for the SKS keyservers used by OpenPGP.

-##### :black_small_square: Other - -

-  :small_orange_diamond: thispersondoesnotexist - generate fake faces in one click - endless possibilities.
-

- #### Systems/Services  [[TOC]](#anger-table-of-contents) ##### :black_small_square: Operating Systems @@ -574,8 +593,10 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: OpenBSD - multi-platform 4.4BSD-based UNIX-like operating system.
  :small_orange_diamond: HardenedBSD - HardenedBSD aims to implement innovative exploit mitigation and security solutions.
  :small_orange_diamond: Kali Linux - Linux distribution used for Penetration Testing, Ethical Hacking and network security assessments.
-  :small_orange_diamond: Backbox Linux - penetration test and security assessment oriented Ubuntu-based Linux distribution.
+  :small_orange_diamond: Parrot Security OS - cyber security GNU/Linux environment.
+  :small_orange_diamond: Backbox Linux - penetration test and security assessment oriented Ubuntu-based Linux distribution.
  :small_orange_diamond: BlackArch - is an Arch Linux-based penetration testing distribution for penetration testers and security researchers.
+  :small_orange_diamond: Pentoo - is a security-focused livecd based on Gentoo.
  :small_orange_diamond: Security Onion - Linux distro for intrusion detection, enterprise security monitoring, and log management.
  :small_orange_diamond: Tails - is a live system that aims to preserve your privacy and anonymity.

@@ -588,13 +609,12 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: Tengine - a distribution of Nginx with some advanced features.
  :small_orange_diamond: Caddy Server - is an open source, HTTP/2-enabled web server with HTTPS by default.
  :small_orange_diamond: HAProxy - the reliable, high performance TCP/HTTP load balancer.
-  :small_orange_diamond: Traefik - open source reverse proxy/load balancer provides easier integration with Docker and Let's encrypt.

##### :black_small_square: DNS Services

-  :small_orange_diamond: Unbound - validating, recursive, and caching DNS resolver (with TLS).
+  :small_orange_diamond: Unbound - validating, recursive, and caching DNS resolver (with TLS).
  :small_orange_diamond: Knot Resolver - caching full resolver implementation, including both a resolver library and a daemon.
  :small_orange_diamond: PowerDNS - is an open source authoritative DNS server, written in C++ and licensed under the GPL.

@@ -612,6 +632,7 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: pi-hole - the Pi-hole® is a DNS sinkhole that protects your devices from unwanted content.
  :small_orange_diamond: maltrail - malicious traffic detection system.
  :small_orange_diamond: security_monkey - monitors AWS, GCP, OpenStack, and GitHub orgs for assets and their changes over time.
+  :small_orange_diamond: firecracker - secure and fast microVMs for serverless computing.

#### Networks  [[TOC]](#anger-table-of-contents) @@ -635,13 +656,48 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: LBNL's Network Research Group - home page of the Network Research Group (NRG); tools, talks, papers and more.

+#### Containers/Orchestration  [[TOC]](#anger-table-of-contents) + +##### :black_small_square: CLI Tools + +

+  :small_orange_diamond: gvisor - container runtime sandbox.
+  :small_orange_diamond: ctop - top-like interface for container metrics.
+  :small_orange_diamond: docker-bench-security - is a script that checks for dozens of common best-practices around deploying Docker.
+

+ +##### :black_small_square: Web Tools + +

+  :small_orange_diamond: Moby - a collaborative project for the container ecosystem to assemble container-based system.
+  :small_orange_diamond: Traefik - open source reverse proxy/load balancer provides easier integration with Docker and Let's encrypt.
+  :small_orange_diamond: kong - The Cloud-Native API Gateway.
+  :small_orange_diamond: rancher - complete container management platform.
+  :small_orange_diamond: portainer - making Docker management easy.
+  :small_orange_diamond: nginx-proxy - automated nginx proxy for Docker containers using docker-gen.
+

+ +##### :black_small_square: Manuals/Tutorials/Best Practices + +

+  :small_orange_diamond: docker-cheat-sheet - a quick reference cheat sheet on Docker.
+  :small_orange_diamond: awesome-docker - a curated list of Docker resources and projects.
+  :small_orange_diamond: docker_practice - learn and understand Docker technologies, with real DevOps practice!
+  :small_orange_diamond: labs + - is a collection of tutorials for learning how to use Docker with various tools.
+  :small_orange_diamond: dockerfiles - various Dockerfiles I use on the desktop and on servers.
+  :small_orange_diamond: kubernetes-the-hard-way - bootstrap Kubernetes the hard way on Google Cloud Platform. No scripts.
+  :small_orange_diamond: kubernetes-the-easy-way - bootstrap Kubernetes the easy way on Google Cloud Platform. No scripts.
+  :small_orange_diamond: k8s-security - kubernetes security notes and best practices.
+

+ #### Manuals/Howtos/Tutorials  [[TOC]](#anger-table-of-contents) -##### :black_small_square: Shells/Command line +##### :black_small_square: Shell/Command line

  :small_orange_diamond: pure-bash-bible - a collection of pure bash alternatives to external processes.
-  :small_orange_diamond: The Bash Hackers Wiki - hold documentation of any kind about GNU Bash.
+  :small_orange_diamond: The Bash Hackers Wiki - hold documentation of any kind about GNU Bash.
  :small_orange_diamond: Shell & Utilities - describes the commands and utilities offered to application programs by POSIX-conformant systems.
  :small_orange_diamond: the-art-of-command-line - master the command line, in one page.
  :small_orange_diamond: Shell Style Guide - a shell style guide for Google-originated open-source projects.
@@ -671,14 +727,16 @@ performance of any of your sites from across the globe.

  :small_orange_diamond: nixCraft - linux and unix tutorials for new and seasoned sysadmin.
  :small_orange_diamond: TecMint - the ideal Linux blog for Sysadmins & Geeks.
-  :small_orange_diamond: Omnisecu - free Networking, System Administration and Security tutorials.
+  :small_orange_diamond: Omnisecu - free Networking, System Administration and Security tutorials.
  :small_orange_diamond: linux-cheat - Linux tutorials and cheatsheets. Minimal examples. Mostly user-land CLI utilities.
  :small_orange_diamond: Unix Toolbox - collection of Unix/Linux/BSD commands and tasks which are useful for IT work or for advanced users.
  :small_orange_diamond: Linux Guide and Hints - tutorials on system administration in Fedora and CentOS.
  :small_orange_diamond: strace-little-book - a little book which introduces strace.
  :small_orange_diamond: http2-explained - a detailed document explaining and documenting HTTP/2.
  :small_orange_diamond: http3-explained - a document describing the HTTP/3 and QUIC protocols.
+  :small_orange_diamond: Nginx Admin's Handbook - describes how to improve NGINX performance, security and other important things.
  :small_orange_diamond: openssh guideline - is to help operational teams with the configuration of OpenSSH server and client.
+  :small_orange_diamond: PacketLife.net - a place to record notes while studying for Cisco's CCNP certification.

##### :black_small_square: Large-scale systems @@ -696,12 +754,13 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: STIGs - are the configuration standards for DOD IA and IA-enabled devices/systems.
  :small_orange_diamond: Security Harden CentOS 7 - this walks you through the steps required to security harden CentOS.
  :small_orange_diamond: CentOS 7 Server Hardening Guide - great guide for hardening CentOS; familiar with OpenSCAP.
+  :small_orange_diamond: The Practical Linux Hardening Guide - provides a high-level overview of hardening GNU/Linux systems.

##### :black_small_square: Security & Privacy

-  :small_orange_diamond: Hacking Articles - LRaj Chandel's Security & Hacking Blog.
+  :small_orange_diamond: Hacking Articles - LRaj Chandel's Security & Hacking Blog.
  :small_orange_diamond: AWS security tools - make your AWS cloud environment more secure.
  :small_orange_diamond: Rawsec's CyberSecurity Inventory - an inventory of tools and resources about CyberSecurity.
  :small_orange_diamond: The Illustrated TLS Connection - every byte of a TLS connection explained and reproduced.
@@ -721,56 +780,51 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: OWASP Testing Guide v4 - includes a "best practice" penetration testing framework.
  :small_orange_diamond: OWASP Dev Guide - this is the development version of the OWASP Developer Guide.
  :small_orange_diamond: Mozilla Web Security - help operational teams with creating secure web applications.
+  :small_orange_diamond: security-bulletins - security bulletins that relate to Netflix Open Source.
  :small_orange_diamond: Enable CORS - enable cross-origin resource sharing.
  :small_orange_diamond: Application Security Wiki - is an initiative to provide all application security related resources at one place.
  :small_orange_diamond: Weird Proxies - reverse proxy related attacks; it is a result of analysis of various reverse proxies, cache proxies, etc.
  :small_orange_diamond: Webshells - great series about malicious payloads.
  :small_orange_diamond: Practical Web Cache Poisoning - show you how to compromise websites by using esoteric web features.
-  :small_orange_diamond: Hidden directories and files - as a source of sensitive information about web application.
-  :small_orange_diamond: 50M_CTF_Writeup - $50 million CTF from Hackerone - writeup.
+  :small_orange_diamond: Hidden directories and files - as a source of sensitive information about web application.
+  :small_orange_diamond: Explosive blog - great blog about cybersec and pentests.
  :small_orange_diamond: Security Cookies - this paper will take a close look at cookie security.
+  :small_orange_diamond: APISecurityBestPractices - help you keep secrets (API keys, db credentials, certificates) out of source code.

-##### :black_small_square: Other +##### :black_small_square: All-in-one

-  :small_orange_diamond: CTF Series : Vulnerable Machines - the steps below could be followed to find vulnerabilities and exploits.
-  :small_orange_diamond: How to start RE/malware analysis? - collection of some hints and useful links for the beginners.
  :small_orange_diamond: LZone Cheat Sheets - all cheat sheets.
  :small_orange_diamond: Dan’s Cheat Sheets’s - massive cheat sheets documentation.
  :small_orange_diamond: Rico's cheatsheets - this is a modest collection of cheatsheets.
+  :small_orange_diamond: DevDocs API - combines multiple API documentations in a fast, organized, and searchable interface.
+

+ +##### :black_small_square: Other + +

+  :small_orange_diamond: CTF Series : Vulnerable Machines - the steps below could be followed to find vulnerabilities and exploits.
+  :small_orange_diamond: 50M_CTF_Writeup - $50 million CTF from Hackerone - writeup.
+  :small_orange_diamond: ctf-tasks - an archive of low-level CTF challenges developed over the years.
+  :small_orange_diamond: How to start RE/malware analysis? - collection of some hints and useful links for the beginners.
  :small_orange_diamond: The C10K problem - it's time for web servers to handle ten thousand clients simultaneously, don't you think?
+  :small_orange_diamond: poor man's profiler - sampling tools like dtrace's don't really provide methods to see what programs are blocking on.
  :small_orange_diamond: Bank Grade Security - when companies say they have "Bank Grade Security" they imply that it is a good thing.*
  :small_orange_diamond: HTTPS on Stack Overflow - this is the story of a long journey regarding the implementation of SSL.
  :small_orange_diamond: Julia's Drawings - some drawings about programming and unix world, zines about systems & debugging tools.
  :small_orange_diamond: Hash collisions - this great repository is focused on hash collisions exploitation.
  :small_orange_diamond: BGP Meets Cat - after 3072 hours of manipulating BGP, Job Snijders has succeeded in drawing a Nyancat.
+  :small_orange_diamond: What happens when... - you type google.com into your browser and press enter?
+  :small_orange_diamond: how-web-works - based on the 'What happens when...' repository.
  :small_orange_diamond: HTTPS in the real world - great tutorial explain how HTTPS works in the real world.
  :small_orange_diamond: Gitlab and NFS bug - how we spent two weeks hunting an NFS bug in the Linux kernel.
  :small_orange_diamond: How To Become A Hacker - if you want to be a hacker, keep reading.
  :small_orange_diamond: Operation Costs in CPU - an infographics which should help to estimate costs of certain operations in CPU clocks.
  :small_orange_diamond: Let's Build a Simple Database - writing a sqlite clone from scratch in C.
-

- -#### Videos/Presentations  [[TOC]](#anger-table-of-contents) - -##### :black_small_square: SysOps/DevOps - -

-  :small_orange_diamond: Varnish for PHP developers - very interesting presentation of varnish by Mattias Geniar.
-  :small_orange_diamond: A Netflix Guide to Microservices - Josh Evans talks about the chaotic and vibrant world of microservices at Netflix.
-

- -##### :black_small_square: Developers - -

-  :small_orange_diamond: Comparing C to machine language - compare a simple C program with the compiled machine code of that program.
-

- -##### :black_small_square: Other - -

-  :small_orange_diamond: Diffie-Hellman Key Exchange (short version) - how Diffie-Hellman Key Exchange worked.
+  :small_orange_diamond: simple-computer - great resource to understand how computers work under the hood.
+  :small_orange_diamond: The story of "Have I been pwned?" - working with 154 million records on Azure Table Storage.
+  :small_orange_diamond: TOP500 Supercomputers - shows the 500 most powerful commercially available computer systems known to us.

#### Inspiring Lists  [[TOC]](#anger-table-of-contents) @@ -782,12 +836,11 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: Awesome Shell - awesome command-line frameworks, toolkits, guides and gizmos.
  :small_orange_diamond: Command-line-text-processing - from finding text to search and replace, from sorting to beautifying text and more.
  :small_orange_diamond: Awesome Pcaptools - collection of tools developed by other researchers to process network traces.
+  :small_orange_diamond: awesome-ebpf - a curated list of awesome projects related to eBPF.
  :small_orange_diamond: Linux Network Performance - learn where some of the network sysctl variables fit into the Linux/Kernel network flow.
  :small_orange_diamond: Awesome Postgres - list of awesome PostgreSQL software, libraries, tools and resources.
  :small_orange_diamond: quick-SQL-cheatsheet - a quick reminder of all SQL queries and examples on how to use them.
  :small_orange_diamond: Awesome-Selfhosted - list of Free Software network services and web applications which can be hosted locally.
-  :small_orange_diamond: kubernetes-the-hard-way - bootstrap Kubernetes the hard way on Google Cloud Platform. No scripts.
-  :small_orange_diamond: kubernetes-the-easy-way - bootstrap Kubernetes the easy way on Google Cloud Platform. No scripts.
  :small_orange_diamond: List of applications - huge collection of applications sorted by category, as a reference for those looking for packages.

@@ -806,6 +859,7 @@ performance of any of your sites from across the globe.

  :small_orange_diamond: Awesome Web Security - a curated list of Web Security materials and resources.
  :small_orange_diamond: awesome-cyber-skills - a curated list of hacking environments where you can train your cyber skills.
+  :small_orange_diamond: awesome-threat-intelligence - a curated list of Awesome Threat Intelligence resources.
  :small_orange_diamond: Red-Teaming-Toolkit - a collection of open source and commercial tools that aid in red team operations.
  :small_orange_diamond: awesome-burp-extensions - a curated list of amazingly awesome Burp Extensions.
  :small_orange_diamond: Free Security eBooks - list of a Free Security and Hacking eBooks.
@@ -814,6 +868,7 @@ performance of any of your sites from across the globe.
  :small_orange_diamond: reverseengineering-reading-list - a list of Reverse Engineering articles, books, and papers.
  :small_orange_diamond: Awesome-WAF - a curated list of awesome web-app firewall (WAF) stuff.
  :small_orange_diamond: RobotsDisallowed - a curated list of the most common and most interesting robots.txt disallowed directories.
+  :small_orange_diamond: awesome-yara - a curated list of awesome YARA rules, tools, and people.
  :small_orange_diamond: Movies for Hackers - list of movies every hacker & cyberpunk must watch.
  :small_orange_diamond: technical-whitepapers - IT whitepapers; hacking, web app security, db, reverse engineering and more; EN/PL.

@@ -822,41 +877,133 @@ performance of any of your sites from across the globe.

  :small_orange_diamond: Cheatography - over 3,000 free cheat sheets, revision aids and quick references.
+  :small_orange_diamond: awesome-static-analysis - static analysis tools for all programming languages.
+

+ +#### Blogs/Podcasts/Videos  [[TOC]](#anger-table-of-contents) + +##### :black_small_square: SysOps/DevOps + +

+  :small_orange_diamond: Varnish for PHP developers - very interesting presentation of Varnish by Mattias Geniar.
+  :small_orange_diamond: A Netflix Guide to Microservices - Josh Evans talks about the chaotic and vibrant world of microservices at Netflix.

-#### Blogs  [[TOC]](#anger-table-of-contents) +##### :black_small_square: Developers + +

+  :small_orange_diamond: Comparing C to machine language - compare a simple C program with the compiled machine code of that program.
+

##### :black_small_square: Geeky Persons

-  :small_orange_diamond: Brendan Gregg's Blog - Brendan Gregg is an industry expert in computing performance and cloud computing.
-  :small_orange_diamond: Gynvael "GynDream" Coldwind - Gynvael is a IT security engineer at Google.
-  :small_orange_diamond: Michał "lcamtuf" Zalewski - "white hat" hacker, computer security expert.
-  :small_orange_diamond: Mattias Geniar - developer, Sysadmin, Blogger, Podcaster and Public Speaker.
-  :small_orange_diamond: Nick Craver - Software Developer and Systems Administrator for Stack Exchange.
-  :small_orange_diamond: Robert Penz - IT security Expert.
-  :small_orange_diamond: Scott Helme - Security Researcher, international speaker and founder of securityheaders.com and report-uri.com.
+  :small_orange_diamond: Brendan Gregg's Blog - is an industry expert in computing performance and cloud computing.
+  :small_orange_diamond: Gynvael "GynDream" Coldwind - is a IT security engineer at Google.
+  :small_orange_diamond: Michał "lcamtuf" Zalewski - white hat hacker, computer security expert.
+  :small_orange_diamond: Mattias Geniar - developer, sysadmin, blogger, podcaster and public speaker.
+  :small_orange_diamond: Nick Craver - software developer and systems administrator for Stack Exchange.
+  :small_orange_diamond: Scott Helme - security researcher, international speaker and founder of securityheaders.com and report-uri.com.
  :small_orange_diamond: Brian Krebs - The Washington Post and now an Independent investigative journalist.
-  :small_orange_diamond: Binni Shah - Linux Evangelist. Malwares. Kernel Dev. Security Enthusiast.
-  :small_orange_diamond: Kacper Szurek - Detection Engineer at ESET.
-  :small_orange_diamond: Troy Hunt - Microsoft Regional Director and Microsoft Most Valuable Professional for Developer Security.
-  :small_orange_diamond: raymii.org - Linux/Unix Sysadmin specializing in building high availability cloud environments.
+  :small_orange_diamond: Bruce Schneier - is an internationally renowned security technologist, called a "security guru".
+  :small_orange_diamond: Chrissy Morgan - advocate of practical learning, Chrissy also takes part in bug bounty programs.
+  :small_orange_diamond: Andy Gill - is a hacker at heart who works as a senior penetration tester.
+  :small_orange_diamond: Daniel Miessler - cybersecurity expert and writer.
+  :small_orange_diamond: Javvad Malik - is a security advocate at AlienVault, a blogger event speaker and industry commentator.
+  :small_orange_diamond: Graham Cluley - public speaker and independent computer security analyst.
+  :small_orange_diamond: Kacper Szurek - detection engineer at ESET.
+  :small_orange_diamond: Troy Hunt - web security expert known for public education and outreach on security topics.
+  :small_orange_diamond: raymii.org - sysadmin specializing in building high availability cloud environments.
+  :small_orange_diamond: Robert Penz - IT security expert.

##### :black_small_square: Geeky Blogs

-  :small_orange_diamond: Linux Audit - the Linux security blog about Auditing, Hardening and Compliance by Michael Boelen.
+  :small_orange_diamond: Linux Audit - the Linux security blog about auditing, hardening and compliance by Michael Boelen.
  :small_orange_diamond: Linux Security Expert - trainings, howtos, checklists, security tools and more.
  :small_orange_diamond: The Grymoire - collection of useful incantations for wizards, be you computer wizards, magicians, or whatever.
  :small_orange_diamond: PortSwigger Web Security Blog - about web app security vulns and top tips from our team of web security.
+  :small_orange_diamond: Secjuice - is the only non-profit, independent and volunteer led publication in the information security space.
+  :small_orange_diamond: Decipher - security news that informs and inspires.
+

+ +##### :black_small_square: Geeky Vendor Blogs + +

+  :small_orange_diamond: Tenable Podcast - conversations and interviews related to Cyber Exposure, and more.
+  :small_orange_diamond: Sophos - threat news room, giving you news, opinion, advice and research on computer security issues.
+  :small_orange_diamond: Tripwire State of Security - blog featuring the latest news, trends and insights on current information security issues.
+  :small_orange_diamond: Malwarebytes Labs Blog - security blog aims to provide insider news about cybersecurity.
+  :small_orange_diamond: TrustedSec - latest news, and trends about cybersecurity.
+  :small_orange_diamond: AT&T Cybersecurity blog - news on emerging threats and practical advice to simplify threat detection.
+  :small_orange_diamond: Thycotic - where CISOs and IT Admins come to learn about industry trends, IT security, data breaches, and more.
+

+ +##### :black_small_square: Geeky Cybersecurity Podcasts + +

+  :small_orange_diamond: Risky Business - is a weekly information security podcast featuring news and in-depth interviews.
+  :small_orange_diamond: Cyber, by Motherboard - stories, and focus on the ideas about cybersecurity.
+  :small_orange_diamond: Tenable Podcast - conversations and interviews related to Cyber Exposure, and more.
+  :small_orange_diamond: +Cybercrime Investigations - podcast by Geoff White about cybercrimes.
+  :small_orange_diamond: The many hats club - featuring stories from a wide range of Infosec people (Whitehat, Greyhat and Blackhat).
+  :small_orange_diamond: Darknet Diaries - true stories from the dark side of the Internet.
+  :small_orange_diamond: OSINTCurious Webcasts - is the investigative curiousity that helps people be successful in OSINT.
+

+ +##### :black_small_square: Geeky Cybersecurity Video Blogs + +

+  :small_orange_diamond: rev3rse security - offensive, binary exploitation, web application security, vulnerability, hardening, red team, blue team.
+  :small_orange_diamond: LiveOverflow - a lot more advanced topics than what is typically offered in paid online courses - but for free.
+  :small_orange_diamond: J4vv4D - the important information regarding our internet security.
+  :small_orange_diamond: +CyberTalks - talks, interviews, and article about cybersecurity.
+

+ +##### :black_small_square: Best Personal Twitter Accounts + +

+  :small_orange_diamond: @blackroomsec - a white-hat hacker/pentester. Intergalactic Minesweeper Champion 1990.
+  :small_orange_diamond: @MarcoCiappelli - Co-Founder @ITSPmagazine, at the intersection of IT security and society.
+  :small_orange_diamond: @binitamshah - Linux Evangelist. Malwares. Kernel Dev. Security Enthusiast.
+  :small_orange_diamond: @joe_carson - an InfoSec Professional and Tech Geek.
+  :small_orange_diamond: @mikko - CRO at F-Secure, Reverse Engineer, TED Speaker, Supervillain.
+  :small_orange_diamond: @esrtweet - often referred to as ESR, is an American software developer, and open-source software advocate.
+  :small_orange_diamond: @gynvael - security researcher/programmer, @DragonSectorCTF founder/player, technical streamer.
+  :small_orange_diamond: @x0rz - Security Researcher & Cyber Observer.
+  :small_orange_diamond: @hasherezade - programmer, malware analyst. Author of PEbear, PEsieve, libPeConv.
+  :small_orange_diamond: @TinkerSec - tinkerer, cypherpunk, hacker.
+  :small_orange_diamond: @alisaesage - independent hacker and researcher.
+

+ +##### :black_small_square: Best Commercial Twitter Accounts + +

+  :small_orange_diamond: @haveibeenpwned - check if you have an account that has been compromised in a data breach.
+  :small_orange_diamond: @bugcrowd - trusted by more of the Fortune 500 than any other crowdsourced security platform.
+  :small_orange_diamond: @Malwarebytes - most trusted security company. Unmatched threat visibility.
+  :small_orange_diamond: @sansforensics - the world's leading Digital Forensics and Incident Response provider.
+  :small_orange_diamond: @attcyber - AT&T Cybersecurity’s Edge-to-Edge technologies provide threat intelligence, and more.
+  :small_orange_diamond: @TheManyHatsClub - an information security focused podcast and group of individuals from all walks of life.
+  :small_orange_diamond: @hedgehogsec - Hedgehog Cyber. Gibraltar and Manchester's top boutique information security firm.
+  :small_orange_diamond: @NCSC - the National Cyber Security Centre. Helping to make the UK the safest place to live and work online.
+  :small_orange_diamond: @Synacktiv - IT security experts.

##### :black_small_square: A piece of history

-  :small_orange_diamond: How to Do Things at ARL - how to configure modems, scan images, record CD-ROMs, and other useful techniques.
+  :small_orange_diamond: How to Do Things at ARL - how to configure modems, scan images, record CD-ROMs, and other useful techniques.*
+

+ +##### :black_small_square: Other + +

+  :small_orange_diamond: Diffie-Hellman Key Exchange (short version) - how Diffie-Hellman Key Exchange worked.

#### Hacking/Penetration Testing  [[TOC]](#anger-table-of-contents) @@ -866,7 +1013,7 @@ Linux Security Expert - trainings, howtos, checklists, security tools an

  :small_orange_diamond: Sandcat Browser - a penetration-oriented browser with plenty of advanced functionality already built in.
  :small_orange_diamond: Metasploit - tool and framework for pentesting system, web and many more, contains a lot a ready to use exploit.
-  :small_orange_diamond: Burp Suite - tool for testing Web application security, intercepting proxy to replay, inject, scan and fuzz HTTP requests.
+  :small_orange_diamond: Burp Suite - tool for testing web application security, intercepting proxy to replay, inject, scan and fuzz HTTP requests.
  :small_orange_diamond: OWASP Zed Attack Proxy - intercepting proxy to replay, inject, scan and fuzz HTTP requests.
  :small_orange_diamond: w3af - is a Web Application Attack and Audit Framework.
  :small_orange_diamond: mitmproxy - an interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
@@ -876,12 +1023,15 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: Photon - incredibly fast crawler designed for OSINT.
  :small_orange_diamond: XSStrike - most advanced XSS detection suite.
  :small_orange_diamond: Sn1per - automated pentest framework for offensive security experts.
+  :small_orange_diamond: aquatone - a tool for domain flyovers.
+  :small_orange_diamond: BillCipher - information gathering tool for a website or IP address.
  :small_orange_diamond: WhatWaf - detect and bypass web application firewalls and protection systems.
  :small_orange_diamond: John The Ripper - is a fast password cracker, currently available for many flavors of Unix, Windows, and other.
  :small_orange_diamond: hashcat - world's fastest and most advanced password recovery utility.
  :small_orange_diamond: p0f - is a tool to identify the players behind any incidental TCP/IP communications.
  :small_orange_diamond: Recon-ng - is a full-featured Web Reconnaissance framework written in Python.
  :small_orange_diamond: ssh_scan - a prototype SSH configuration and policy scanner.
+  :small_orange_diamond: LeakLooker - find open databases - powered by Binaryedge.io
  :small_orange_diamond: exploitdb - searchable archive from The Exploit Database.
  :small_orange_diamond: ctf-tools - some setup scripts for security research tools.
  :small_orange_diamond: pwntools - CTF framework and exploit development library.
@@ -902,18 +1052,12 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: AutoSploit - automated mass exploiter.

-##### :black_small_square: Backdoors/exploits - -

-  :small_orange_diamond: PHP-backdoors - a collection of PHP backdoors. For educational or testing purposes only.
-

- ##### :black_small_square: Pentests bookmarks collection

  :small_orange_diamond: PTES - the penetration testing execution standard.
-  :small_orange_diamond: Pentests MindMap - amazing mind map with vulnerable apps and systems.
-  :small_orange_diamond: WebApps Security Tests MindMap - incredible mind map for WebApps security tests.
+  :small_orange_diamond: Pentests MindMap - amazing mind map with vulnerable apps and systems.
+  :small_orange_diamond: WebApps Security Tests MindMap - incredible mind map for WebApps security tests.
  :small_orange_diamond: Brute XSS - master the art of Cross Site Scripting.
  :small_orange_diamond: Offensive Security Bookmarks - security bookmarks collection, all that things I need to pass OSCP.
  :small_orange_diamond: Awesome Pentest Cheat Sheets - collection of the cheat sheets useful for pentesting.
@@ -922,13 +1066,15 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: Awesome Hacking Resources - collection of hacking/penetration testing resources to make you better.
  :small_orange_diamond: Awesome Pentest - collection of awesome penetration testing resources, tools and other shiny things.
  :small_orange_diamond: Hacking Cheat Sheet - author hacking and pentesting notes.
-  :small_orange_diamond: Web App Pentesting Cheat Sheet - the typical steps performed when conducting a web application penetration test.
+  :small_orange_diamond: Web App Pentesting Cheat Sheet - the typical steps performed when conducting a web application penetration test.*
  :small_orange_diamond: Cyber Security Resources - includes thousands of cybersecurity-related references and resources.
  :small_orange_diamond: Pentest Bookmarks - there are a LOT of pentesting blogs.
+  :small_orange_diamond: ThreatHunter-Playbook - to aid the development of techniques and hypothesis for hunting campaigns.
  :small_orange_diamond: PayloadsAllTheThings - a list of useful payloads and bypass for Web Application Security and Pentest/CTF.
  :small_orange_diamond: payloads - git all the Payloads! A collection of web attack payloads.
  :small_orange_diamond: Pentesting Tools Cheat Sheet - a quick reference high level overview for typical penetration testing engagements.
-  :small_orange_diamond: OWASP Cheat Sheet Series - collection of high value information on specific application security topics.
+  :small_orange_diamond: OWASP Cheat Sheet Series - is a collection of high value information on specific application security topics.
+  :small_orange_diamond: OWASP dependency-check - is an open source solution the OWASP Top 10 2013 entry.
  :small_orange_diamond: DEF CON Media Server - great stuff from DEFCON.
  :small_orange_diamond: Awesome Malware Analysis - a curated list of awesome malware analysis tools and resources.
  :small_orange_diamond: SQL Injection Cheat Sheet - detailed technical information about the many different variants of the SQL Injection.
@@ -940,7 +1086,16 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: SSRF Tips - a collection of SSRF Tips.
  :small_orange_diamond: shell-storm repo CTF - great archive of CTFs.
  :small_orange_diamond: ctf - CTF (Capture The Flag) writeups, code snippets, notes, scripts.
+  :small_orange_diamond: My-CTF-Web-Challenges - collection of CTF Web challenges.
  :small_orange_diamond: MSTG - The Mobile Security Testing Guide (MSTG) is a comprehensive manual for mobile app security testing.
+  :small_orange_diamond: Internal-Pentest-Playbook - notes on the most common things for an Internal Network Penetration Test.
+  :small_orange_diamond: KeyHacks - shows quick ways in which API keys leaked by a bug bounty program can be checked.
+

+ +##### :black_small_square: Backdoors/exploits + +

+  :small_orange_diamond: PHP-backdoors - a collection of PHP backdoors. For educational or testing purposes only.

##### :black_small_square: Wordlists and Weak passwords @@ -952,19 +1107,19 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: Probable-Wordlists - sorted by probability originally created for password generation and testing.
  :small_orange_diamond: skullsecurity passwords - password dictionaries and leaked passwords repository.
  :small_orange_diamond: Polish PREMIUM Dictionary - official dictionary created by the team on the forum bezpieka.org.* 1
+  :small_orange_diamond:
statistically-likely-usernames - wordlists for creating statistically likely username lists for use in password attacks.

##### :black_small_square: Bounty platforms

-  :small_orange_diamond: Bounty Factory - European bug bounty platform based on the legislation and rules in force in European countries.
+  :small_orange_diamond: YesWeHack - bug bounty platform with infosec jobs.
  :small_orange_diamond: Openbugbounty - allows any security researcher reporting a vulnerability on any website.
  :small_orange_diamond: hackerone - global hacker community to surface the most relevant security issues.
  :small_orange_diamond: bugcrowd - crowdsourced cybersecurity for the enterprise.
  :small_orange_diamond: Crowdshield - crowdsourced security & bug bounty management.
  :small_orange_diamond: Synack - crowdsourced security & bug bounty programs, crowd security intelligence platform and more.
  :small_orange_diamond: Hacktrophy - bug bounty platform.
-  :small_orange_diamond: YesWeHack - bug bounty platform with infosec jobs.

##### :black_small_square: Web Training Apps (local installation) @@ -975,6 +1130,7 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: DVWA - PHP/MySQL web application that is damn vulnerable.
  :small_orange_diamond: OWASP Mutillidae II - free, open source, deliberately vulnerable web-application.
  :small_orange_diamond: OWASP Juice Shop Project - the most bug-free vulnerable application in existence.
+  :small_orange_diamond: juicy-ctf - run Capture the Flags and Security Trainings with OWASP Juice Shop.
  :small_orange_diamond: OWASP WebGoat Project - insecure web application maintained by OWASP designed to teach web app security.
  :small_orange_diamond: Security Ninjas - open source application security training program.
  :small_orange_diamond: hackazon - a modern vulnerable web app.
@@ -982,7 +1138,11 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: Google Gruyere - web application exploits and defenses.
  :small_orange_diamond: Bodhi - is a playground focused on learning the exploitation of client-side web vulnerabilities.
  :small_orange_diamond: Websploit - single vm lab with the purpose of combining several vulnerable appliations in one environment.
-  :small_orange_diamond: vulhub - pre-built Vulnerable Environments based on docker-compose
+  :small_orange_diamond: vulhub - pre-built Vulnerable Environments based on docker-compose.
+  :small_orange_diamond: CloudGoat 2 - the new & improved "Vulnerable by Design" +AWS deployment tool.
+  :small_orange_diamond: secDevLabs - is a laboratory for learning secure web development in a practical manner.
+  :small_orange_diamond: CORS-vulnerable-Lab - sample vulnerable code and its exploit code.

##### :black_small_square: Labs (ethical hacking platforms/trainings/CTFs) @@ -995,6 +1155,7 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: Pwnable.tw - is a wargame site for hackers to test and expand their binary exploiting skills.
  :small_orange_diamond: picoCTF - is a free computer security game targeted at middle and high school students.
  :small_orange_diamond: CTFlearn - is an online platform built to help ethical hackers learn and practice their cybersecurity knowledge and skills.
+  :small_orange_diamond: ctftime - CTF archive and a place, where you can get some another CTF-related info.
  :small_orange_diamond: Silesia Security Lab - high quality security testing services.
  :small_orange_diamond: Practical Pentest Labs - pentest lab, take your Hacking skills to the next level.
  :small_orange_diamond: Root Me - the fast, easy, and affordable way to train your hacking skills.
@@ -1008,9 +1169,25 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: RingZer0 - tons of challenges designed to test and improve your hacking skills.
  :small_orange_diamond: Ubeeri - preconfigured lab environments.
  :small_orange_diamond: Pentestit - emulate IT infrastructures of real companies for legal pen testing and improving penetration testing skills.
-  :small_orange_diamond: Microcorruption - reversal challenges done in the web interface.
+  :small_orange_diamond: Microcorruption - reversal challenges done in the web interface.
  :small_orange_diamond: Crackmes - download crackmes to help improve your reverse engineering skills.
  :small_orange_diamond: DomGoat - DOM XSS security learning and practicing platform.
+  :small_orange_diamond: Stereotyped Challenges - upgrade your web hacking techniques today!
+  :small_orange_diamond: OverTheWire - can help you to learn and practice security concepts in the form of fun-filled games.
+  :small_orange_diamond: Vulnhub - allows anyone to gain practical 'hands-on' experience in digital security.
+  :small_orange_diamond: W3Challs - is a penetration testing training platform, which offers various computer challenges.
+  :small_orange_diamond: RingZer0 CTF - offers you tons of challenges designed to test and improve your hacking skills.
+  :small_orange_diamond: try2hack - several security-oriented challenges for your entertainment.
+  :small_orange_diamond: Hack.me - a platform where you can build, host and share vulnerable web apps for educational and research purposes.
+  :small_orange_diamond: HackThis! - discover how hacks, dumps and defacements are performed and secure your website against hackers.
+  :small_orange_diamond: Enigma Group WebApp Training - these challenges cover the exploits listed in the OWASP Top 10 Project.
+  :small_orange_diamond: Reverse Engineering Challenges - challenges, exercises, problems and tasks - by level, by type, and more.
+  :small_orange_diamond: 0x00sec - the home of the Hacker - Malware, Reverse Engineering, and Computer Science.
+  :small_orange_diamond: We Chall - there are exist a lots of different challenge types.
+  :small_orange_diamond: Hacker Gateway - is the go-to place for hackers who want to test their skills.
+  :small_orange_diamond: Hacker101 - is a free class for web security.
+  :small_orange_diamond: contained.af - a stupid game for learning about containers, capabilities, and syscalls.
+  :small_orange_diamond: flAWS challenge! - a series of levels you'll learn about common mistakes and gotchas when using AWS.

##### :black_small_square: Other resources @@ -1053,13 +1230,19 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: nf.sec - basic aspects and mechanisms of Linux operating system security (PL).

+##### :black_small_square: Other/All-in-one + +

+  :small_orange_diamond: Changelog - is a community of hackers; news & podcasts for developers and hackers.
+

+ #### Other Cheat Sheets  [[TOC]](#anger-table-of-contents) ###### Build your own DNS Servers

  :small_orange_diamond: Unbound DNS Tutorial - a validating, recursive, and caching DNS server.
-  :small_orange_diamond: Knot Resolver on Fedora - how to get faster and more secure DNS resolution with Knot Resolver on Fedora.
+  :small_orange_diamond: Knot Resolver on Fedora - how to get faster and more secure DNS resolution with Knot Resolver on Fedora.
  :small_orange_diamond: DNS-over-HTTPS - tutorial to setup your own DNS-over-HTTPS (DoH) server.
  :small_orange_diamond: DNS-over-TLS - following to your DoH server, setup your DNS-over-TLS (DoT) server.
  :small_orange_diamond: DNS Servers - how (and why) i run my own DNS Servers.
@@ -1077,6 +1260,7 @@ Linux Security Expert - trainings, howtos, checklists, security tools an   :small_orange_diamond: os-tutorial - how to create an OS from scratch.
  :small_orange_diamond: Write your Own Virtual Machine - how to write your own virtual machine (VM).
  :small_orange_diamond: x86 Bare Metal Examples - dozens of minimal operating systems to learn x86 system programming.
+  :small_orange_diamond: simple-computer - the scott CPU from "But How Do It Know?" by J. Clark Scott.

###### DNS Servers list (privacy) @@ -1117,7 +1301,7 @@ Linux Security Expert - trainings, howtos, checklists, security tools an | **`JSON Beautifier`** | Beautifies JSON content in the HTTP message viewer. | | **`JSON Web Tokens`** | Enables Burp to decode and manipulate JSON web tokens. | | **`CSP Auditor`** | Displays CSP headers for responses, and passively reports CSP weaknesses. | -| **`CSP-Bypass`** | Passively scans for CSP headers that contain known bypasses.. | +| **`CSP-Bypass`** | Passively scans for CSP headers that contain known bypasses. | | **`Hackvertor`** | Converts data using a tag-based configuration to apply various encoding. | | **`Active Scan++`** | Extends Burp's active and passive scanning capabilities. | | **`HTML5 Auditor`** | Scans for usage of risky HTML5 features. | @@ -1139,6 +1323,7 @@ Linux Security Expert - trainings, howtos, checklists, security tools an * [kill](#tool-kill) * [find](#tool-find) * [diff](#tool-diff) + * [vimdiff](#tool-vimdiff) * [tail](#tool-tail) * [cpulimit](#tool-cpulimit) * [pwdx](#tool-pwdx) @@ -1670,7 +1855,11 @@ ___ ###### Track with child processes ```bash +# 1) strace -f -p $(pidof glusterfsd) + +# 2) +strace -f $(pidof php-fpm | sed 's/\([0-9]*\)/\-p \1/g') ``` ###### Track process with 30 seconds limit @@ -1725,6 +1914,44 @@ ___ diff <(cd directory1 && find | sort) <(cd directory2 && find | sort) ``` +###### Compare output of two commands + +```bash +diff <(cat /etc/passwd) <(cut -f2 /etc/passwd) +``` + +___ + +##### Tool: [vimdiff](http://vimdoc.sourceforge.net/htmldoc/diff.html) + +###### Highlight the exact differences, based on characters and words + +```bash +vimdiff file1 file2 +``` +###### Compare two JSON files + +```bash +vimdiff <(jq -S . A.json) <(jq -S . B.json) +``` + +###### Compare Hex dump +```bash +d(){ vimdiff <(f $1) <(f $2);};f(){ hexdump -C $1|cut -d' ' -f3-|tr -s ' ';}; d ~/bin1 ~/bin2 +``` + +###### diffchar + +Save [diffchar](https://raw.githubusercontent.com/vim-scripts/diffchar.vim/master/plugin/diffchar.vim) @ `~/.vim/plugins` + +Click `F7` to switch between diff modes + +Usefull `vimdiff` commands: + +* `qa` to exit all windows +* `:vertical resize 70` to resize window +* set window width `Ctrl+W [N columns]+(Shift+)<\>` + ___ ##### Tool: [tail](https://en.wikipedia.org/wiki/Tail_(Unix)) @@ -1884,7 +2111,13 @@ ___ ###### Start screen in detached mode ```bash -screen -d -m [] +screen -d -m +``` + +###### Attach to an existing screen session + +```bash +screen -r -d ``` ___ @@ -1932,30 +2165,45 @@ ___ ##### Tool: [openssl](https://www.openssl.org/) -###### Testing connection to remote host +###### Testing connection to the remote host ```bash echo | openssl s_client -connect google.com:443 -showcerts ``` -###### Testing connection to remote host (with SNI support) +###### Testing connection to the remote host (with SNI support) ```bash echo | openssl s_client -showcerts -servername google.com -connect google.com:443 ``` -###### Testing connection to remote host with specific ssl version +###### Testing connection to the remote host with specific ssl version ```bash openssl s_client -tls1_2 -connect google.com:443 ``` -###### Testing connection to remote host with specific ssl cipher +###### Testing connection to the remote host with specific ssl cipher ```bash openssl s_client -cipher 'AES128-SHA' -connect google.com:443 ``` +###### Verify 0-RTT + +```bash +_host="example.com" + +cat > req.in << __EOF__ +HEAD / HTTP/1.1 +Host: $_host +Connection: close +__EOF__ + +openssl s_client -connect ${_host}:443 -tls1_3 -sess_out session.pem -ign_eof < req.in +openssl s_client -connect ${_host}:443 -tls1_3 -sess_in session.pem -early_data req.in +``` + ###### Generate private key without passphrase ```bash @@ -2002,28 +2250,28 @@ openssl rsa -check -in ${_fd} ) openssl rsa -pubout -in ${_fd} -out ${_fd_pub} ) ``` -###### Generate private key and csr +###### Generate private key and CSR ```bash ( _fd="private.key" ; _fd_csr="request.csr" ; _len="4096" ; \ openssl req -out ${_fd_csr} -new -newkey rsa:${_len} -nodes -keyout ${_fd} ) ``` -###### Generate csr +###### Generate CSR ```bash ( _fd="private.key" ; _fd_csr="request.csr" ; \ openssl req -out ${_fd_csr} -new -key ${_fd} ) ``` -###### Generate csr (metadata from exist certificate) +###### Generate CSR (metadata from existing certificate) ```bash ( _fd="private.key" ; _fd_csr="request.csr" ; _fd_crt="cert.crt" ; \ openssl x509 -x509toreq -in ${_fd_crt} -out ${_fd_csr} -signkey ${_fd} ) ``` -###### Generate csr with -config param +###### Generate CSR with -config param ```bash ( _fd="private.key" ; _fd_csr="request.csr" ; \ @@ -2031,19 +2279,19 @@ openssl req -new -sha256 -key ${_fd} -out ${_fd_csr} \ -config <( cat <<-EOF [req] -default_bits = 2048 -prompt = no -default_md = sha256 -req_extensions = req_ext -distinguished_name = dn +default_bits = 2048 +default_md = sha256 +prompt = no +distinguished_name = dn +req_extensions = req_ext [ dn ] -C= -ST= -L= -O= -OU=
-CN= +C = "" +ST = "" +L = "" +O = "" +OU = "
" +CN = "" [ req_ext ] subjectAltName = @alt_names @@ -2056,6 +2304,22 @@ EOF )) ``` +Other values in `[ dn ]`: + + > Look at this great explanation: [How to create multidomain certificates using config files](https://apfelboymchen.net/gnu/notes/openssl%20multidomain%20with%20config%20files.html) + +``` +countryName = "DE" # C= +stateOrProvinceName = "Hessen" # ST= +localityName = "Keller" # L= +postalCode = "424242" # L/postalcode= +streetAddress = "Crater 1621" # L/street= +organizationName = "apfelboymschule" # O= +organizationalUnitName = "IT Department" # OU= +commonName = "example.com" # CN= +emailAddress = "webmaster@example.com" # CN/emailAddress= +``` + ###### List available EC curves ```bash @@ -2085,7 +2349,7 @@ openssl ec -in ${_fd} -noout -text ) openssl pkey -in ${_fd} -pubout -out ${_fd_pub} ) ``` -###### Generate private key with csr (ECC) +###### Generate private key with CSR (ECC) ```bash # _curve: prime256v1, secp521r1, secp384r1 @@ -2121,6 +2385,26 @@ openssl x509 -signkey ${_fd} -nodes \ -in ${_fd_csr} -req -days ${_days} -out ${_fd_out} ) ``` +###### Generate DH Param key + +```bash +openssl dhparam -out /etc/nginx/ssl/dhparam_4096.pem 4096 +``` + +###### Extract private key from pfx + +```bash +( _fd_pfx="cert.pfx" ; _fd_key="key.pem" ; \ +openssl pkcs12 -in ${_fd_pfx} -nocerts -nodes -out ${_fd_key} ) +``` + +###### Extract private key and certs from pfx + +```bash +( _fd_pfx="cert.pfx" ; _fd_pem="key_certs.pem" ; \ +openssl pkcs12 -in ${_fd_pfx} -nodes -out ${_fd_pem} ) +``` + ###### Convert DER to PEM ```bash @@ -2135,7 +2419,41 @@ openssl x509 -in ${_fd_der} -inform der -outform pem -out ${_fd_pem} ) openssl x509 -in ${_fd_pem} -outform der -out ${_fd_der} ) ``` -###### Checking whether the private key and the certificate match +###### Verification of the private key + +```bash +( _fd="private.key" ; \ +openssl rsa -noout -text -in ${_fd} ) +``` + +###### Verification of the public key + +```bash +# 1) +( _fd="public.key" ; \ +openssl pkey -noout -text -pubin -in ${_fd} ) + +# 2) +( _fd="private.key" ; \ +openssl rsa -inform PEM -noout -in ${_fd} &> /dev/null ; \ +if [ $? = 0 ] ; then echo -en "OK\n" ; fi ) +``` + +###### Verification of the certificate + +```bash +( _fd="certificate.crt" ; # format: pem, cer, crt \ +openssl x509 -noout -text -in ${_fd} ) +``` + +###### Verification of the CSR + +```bash +( _fd_csr="request.csr" ; \ +openssl req -text -noout -in ${_fd_csr} ) +``` + +###### Check whether the private key and the certificate match ```bash (openssl rsa -noout -modulus -in private.key | openssl md5 ; \ @@ -2233,6 +2551,13 @@ gpg --keyserver hkp://keyserver.ubuntu.com --search-keys "" * `--keyserver` - set specific key server * `--search-keys` - search for keys on a key server +###### List all of the packets in an encrypted file + +```bash +gpg --batch --list-packets archive.gpg +gpg2 --batch --list-packets archive.gpg +``` + ___ ##### Tool: [system-other](https://github.com/trimstray/the-book-of-secret-knowledge#tool-system-other) @@ -2365,16 +2690,15 @@ http -p Hh https://www.google.com * `b` - response body ```bash -http -p Hh --follow --max-redirects 5 --verify no https://www.google.com +http -p Hh https://www.google.com --follow --verify no ``` * `-F, --follow` - follow redirects - * `--max-redirects N` - maximum for `--follow` * `--verify no` - skip SSL verification ```bash -http -p Hh --follow --max-redirects 5 --verify no \ ---proxy http:http://127.0.0.1:16379 https://www.google.com +http -p Hh https://www.google.com --follow --verify no \ +--proxy http:http://127.0.0.1:16379 ``` * `--proxy [http:]` - set proxy server @@ -2653,7 +2977,7 @@ ___ ##### Tool: [ngrep](http://ngrep.sourceforge.net/usage.html) ```bash -ngrep -d eth0 "www.google.com" port 443 +ngrep -d eth0 "www.domain.com" port 443 ``` * `-d [iface|any]` - set interface @@ -2661,14 +2985,14 @@ ngrep -d eth0 "www.google.com" port 443 * `port [1-65535]` - set port number ```bash -ngrep -d eth0 "www.google.com" (host 10.240.20.2) and (port 443) +ngrep -d eth0 "www.domain.com" src host 10.240.20.2 and port 443 ``` * `(host [ip|hostname])` - filter by ip or hostname * `(port [1-65535])` - filter by port number ```bash -ngrep -d eth0 -qt -O ngrep.pcap "www.google.com" port 443 +ngrep -d eth0 -qt -O ngrep.pcap "www.domain.com" port 443 ``` * `-q` - quiet mode (only payloads) @@ -3046,6 +3370,12 @@ sort | uniq -c | awk '{ printf("%s\t%s\t",$2,$1) ; for (i = 0; i < $1; i++) {pri watch "netstat -plan | grep :443 | awk {'print \$5'} | cut -d: -f 1 | sort | uniq -c | sort -nk 1" ``` +###### Grab banners from local IPv4 listening ports + +```bash +netstat -nlt | grep 'tcp ' | grep -Eo "[1-9][0-9]*" | xargs -I {} sh -c "echo "" | nc -v -n -w1 127.0.0.1 {}" +``` + ___ ##### Tool: [rsync](https://en.wikipedia.org/wiki/Rsync) @@ -3188,7 +3518,6 @@ python -m SimpleHTTPServer 8000 from http.server import HTTPServer, BaseHTTPRequestHandler import ssl - httpd = HTTPServer(('localhost', 4443), BaseHTTPRequestHandler) httpd.socket = ssl.wrap_socket (httpd.socket, @@ -3237,6 +3566,15 @@ awk '!x[$0]++' filename awk '{print $NF}' filename ``` +###### Remove empty lines + +```bash +awk 'NF > 0' filename + +# alternative: +awk NF filename +``` + ###### Print multiple columns with separators ```bash