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This list is a collection of various materials that I use every day in my work. It contains a lot of useful information gathered in one piece.
It is intended for everyone and anyone - especially for System and Network Administrators, DevOps, Pentesters or Security Researchers.
A few simple rules for this project:
These below rules may be better:
Url marked * is temporary unavailable. Please don’t delete it without confirming that it has permanently expired.
Before add pull request please see this. All suggestions/PR are welcome!
If this project is useful and important for you or if you really like the-book-of-secret-knowledge, you can bring me more positive energy, give me some good words or support my ethereum/bitcoin wallets maybe. Thank you!
Only main chapters:
🔸 Oh My ZSH! - the best framework for managing your Zsh configuration.
🔸 bash-it - framework for using, developing and maintaining shell scripts and custom commands for your daily work.
🔸 Oh My Fish - the Fishshell framework.
🔸 Midnight Commander - visual file manager, licensed under GNU General Public License.
🔸 screen - full-screen window manager that multiplexes a physical terminal.
🔸 tmux - terminal multiplexer, lets you switch easily between several programs in one terminal.
🔸 tmux-cssh - sets a comfortable and easy to use functionality, clustering and synchronizing virtual tmux-sessions.
🔸 vi - is one of the most common text editors on Unix.
🔸 vim - is a highly configurable text editor.
🔸 emacs - an extensible, customizable, free/libre text editor - and more.
🔸 nmap - free and open source (license) utility for network discovery and security auditing.
🔸 masscan - the fastest Internet port scanner, spews SYN packets asynchronously.
🔸 pbscan - faster and more efficient stateless SYN scanner and banner grabber.
🔸 hping - command-line oriented TCP/IP packet assembler/analyzer.
🔸 mtr - functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool.
🔸 netcat - networking utility which reads and writes data across network connections, using the TCP/IP protocol.
🔸 tcpdump - powerful command-line packet analyzer.
🔸 tshark - dump and analyze network traffic (wireshark cli).
🔸 ngrep - is like GNU grep applied to the network layer.
🔸 bmon - monitoring and debugging tool to capture networking related statistics and prepare them visually.
🔸 iptraf-ng - is a console-based network monitoring program for Linux that displays information about IP traffic.
🔸 iPerf3 - is a tool for active measurements of the maximum achievable bandwidth on IP networks.
🔸 ethr - is a Network Performance Measurement Tool for TCP, UDP & HTTP.
🔸 Etherate - is a Linux CLI based Ethernet and MPLS traffic testing tool.
🔸 Nemesis - packet manipulation CLI tool; craft and inject packets of several protocols.
🔸 packetfu - a mid-level packet manipulation library for Ruby.
🔸 Scapy - packet manipulation library; forge, send, decode, capture packets of a wide number of protocols.
🔸 aria2 - is a lightweight multi-protocol & multi-source command-line download utility.
🔸 fierce - a DNS reconnaissance tool for locating non-contiguous IP space.
🔸 sublist3r - fast subdomains enumeration tool for penetration testers.
🔸 amass - tool obtains subdomain names by scraping data sources, crawling web archives and more.
🔸 namebench - provides personalized DNS server recommendations based on your browsing history.
🔸 dnscrypt-proxy 2 - a flexible DNS proxy, with support for encrypted DNS protocols.
🔸 Curl - command line tool and library for transferring data with URLs.
🔸 kurly - is an alternative to the widely popular curl program, written in Golang.
🔸 HTTPie - a user-friendly HTTP client.
🔸 wuzz - interactive cli tool for HTTP inspection.
🔸 htrace.sh - shell script to debugging http/https; ssllabs, mozilla observatory, testssl.sh and nmap nse support.
🔸 httpstat - visualizes curl statistics in a way of beauty and clarity.
🔸 Lynx - is a text browser for the World Wide Web.
🔸 siege - is an http load testing and benchmarking utility.
🔸 wrk - is a modern HTTP benchmarking tool capable of generating significant load.
🔸 bombardier - fast cross-platform HTTP benchmarking tool written in Go.
🔸 gobench - http/https load testing and benchmarking tool.
🔸 gobuster - free and open source directory/file & DNS busting tool written in Go.
🔸 openssl - is a robust, commercial-grade, and full-featured toolkit for the TLS and SSL protocols.
🔸 gnutls-cli - client program to set up a TLS connection to some other computer.
🔸 sslyze
- fast and powerful SSL/TLS server scanning library.
🔸 sslscan - tests SSL/TLS enabled services to discover supported cipher suites.
🔸 testssl.sh - testing TLS/SSL encryption anywhere on any port.
🔸 spiped - is a utility for creating symmetrically encrypted and authenticated pipes between socket addresses.
🔸 Certbot - is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server.
🔸 mkcert - simple zero-config tool to make locally trusted development certificates with any names you'd like.
🔸 Lynis - battle-tested security tool for systems running Linux, macOS, or Unix-based operating system.
🔸 LinEnum - scripted Local Linux Enumeration & Privilege Escalation Checks.
🔸 Rkhunter - scanner tool for Linux systems that scans backdoors, rootkits and local exploits on your systems.
🔸 PE-sieve - is a light-weight tool that helps to detect malware running on the system.
🔸 strace - diagnostic, debugging and instructional userspace utility for Linux.
🔸 DTrace - is a performance analysis and troubleshooting tool.
🔸 ltrace - is a library call tracer, used to trace calls made by programs to library functions.
🔸 sysdig - system exploration and troubleshooting tool with first class support for containers.
🔸 Valgrind - is an instrumentation framework for building dynamic analysis tools.
🔸 glances - cross-platform system monitoring tool written in Python.
🔸 htop - interactive text-mode process viewer for Unix systems. It aims to be a better 'top'.
🔸 atop - ASCII performance monitor. Includes statistics for CPU, memory, disk, swap, network, and processes.
🔸 lsof - displays in its output information about files that are opened by processes.
🔸 FlameGraph - stack trace visualizer.
🔸 lsofgraph - small utility to convert Unix lsof output to a graph showing FIFO and UNIX interprocess communication.
🔸 hexyl - a command-line hex viewer.
🔸 GoAccess - real-time web log analyzer and interactive viewer that runs in a terminal.
🔸 ngxtop - real-time metrics for nginx server.
🔸 usql - universal command-line interface for SQL databases.
🔸 pgcli - postgres CLI with autocompletion and syntax highlighting.
🔸 mycli - terminal client for MySQL with autocompletion and syntax highlighting.
🔸 Nipe - script to make Tor Network your default gateway.
🔸 multitor - a tool that lets you create multiple TOR instances with a load-balancing.
🔸 incron - is an inode-based filesystem notification technology.
🔸 GRV - is a terminal based interface for viewing Git repositories.
🔸 tldr - simplified and community-driven man pages.
🔸 Guake - is a dropdown terminal made for the GNOME desktop environment.
🔸 Terminator - is based on GNOME Terminal, useful features for sysadmins and other users.
🔸 Wireshark - is the world’s foremost and widely-used network protocol analyzer.
🔸 TOR Browser - protect your privacy and defend yourself against network surveillance and traffic analysis.
🔸 KeePassXC - store your passwords safely and auto-type them into your everyday websites and apps.
🔸 Enpass - password manager and secure wallet.
🔸 Signal - is an encrypted communications app.
🔸 Wire - secure messaging, file sharing, voice calls and video conferences. All protected with end-to-end encryption.
🔸 Sublime Text - is a lightweight, cross-platform code editor known for its speed, ease of use.
🔸 Visual Studio Code - an open-source and free source code editor developed by Microsoft.
🔸 Atom - a hackable text editor for the 21st Century.
🔸 Can I use - provides up-to-date browser support tables for support of front-end web technologies.
🔸 Panopticlick 3.0 - is your browser safe against tracking?
🔸 Privacy Analyzer - see what data is exposed from your browser.
🔸 Web Browser Security - it's all about Web Browser fingerprinting.
🔸 SSL Server Test - free online service performs a deep analysis of the configuration of any SSL web server.
🔸 SSL Server Test (DEV) - free online service performs a deep analysis of the configuration of any SSL web server.
🔸 ImmuniWeb® SSLScan - test SSL/TLS (PCI DSS, HIPAA and NIST).
🔸 SSL Check - scan your website for non-secure content.
🔸 urlscan.io - service to scan and analyse websites.
🔸 Report URI - monitoring security policies like CSP and HPKP.
🔸 CSP Evaluator - allows developers and security experts to check if a Content Security Policy.
🔸 Useless CSP - public list about CSP in some big players (might make them care a bit more).
🔸 Why No HTTPS? - list of the world's top 100 websites by Alexa rank not automatically redirecting insecure requests.
🔸 cipherli.st - strong ciphers for Apache, Nginx, Lighttpd and more.
🔸 badssl.com - memorable site for testing clients against bad SSL configs.
🔸 tlsfun.de - registered for various tests regarding the TLS/SSL protocol.
🔸 Common CA Database - repository of information about CAs, and their root and intermediate certificates.
🔸 CERTSTREAM - real-time certificate transparency log update stream.
🔸 crt.sh - discovers certificates by continually monitoring all of the publicly known CT.
🔸 Hardenize - deploy the security standards.
🔸 Security Headers - analyse the HTTP response headers (with rating system to the results).
🔸 Observatory by Mozilla - set of tools to analyze your website.
🔸 webhint - is a linting tool that will help you with your site's accessibility, speed, security and more.
🔸 ViewDNS - one source for free DNS related tools and information.
🔸 DNSlytics - online investigation tool.
🔸 DNS Spy - monitor, validate and verify your DNS configurations.
🔸 Find subdomains online - find subdomains for security assessment penetration test.
🔸 DNSdumpster - dns recon & research, find & lookup dns records.
🔸 DNS Table online - search for DNS records by domain, IP, CIDR, ISP.
🔸 PTRarchive.com - this site is responsible for the safekeeping of historical reverse DNS records.
🔸 xip.ip - wildcard DNS for everyone.
🔸 intoDNS - DNS and mail server health checker.
🔸 Leaf DNS - comprehensive DNS tester.
🔸 dnslookup (ceipam) - one of the best DNS propagation checker (and not only).
🔸 What's My DNS - DNS propagation checking tool.
🔸 MX Toolbox - all of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.
🔸 blacklistalert - checks to see if your domain is on a Real Time Spam Blacklist.
🔸 MultiRBL - complete IP check for sending Mailservers.
🔸 DKIM SPF & Spam Assassin Validator - checks mail authentication and scores messages with Spam Assassin.
🔸 URL Encode/Decode - tool from above to either encode or decode a string of text.
🔸 Uncoder - the online translator for search queries on log data.
🔸 Regex101 - online regex tester and debugger: PHP, PCRE, Python, Golang and JavaScript.
🔸 RegExr - online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
🔸 RegEx Testing - online regex testing tool.
🔸 CyberChef - The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis.
🔸 Netcraft - detailed report about the site, helping you to make informed choices about their integrity.
🔸 RIPE NCC - not-for-profit membership association, a Regional Internet Registry and the secretariat for the RIPE.
🔸 Robtex - uses various sources to gather public information about IP numbers, domain names, host names, routes etc.
🔸 Security Trails - APIs for Security Companies, Researchers and Teams.
🔸 Online Curl - curl test, analyze HTTP Response Headers.
🔸 Ping.eu - online Ping, Traceroute, DNS lookup, WHOIS and others.
🔸 Network-Tools - network tools for webmasters, IT technicians & geeks.
🔸 VirusTotal - analyze suspicious files and URLs to detect types of malware.
🔸 privacytools.io - provides knowledge and tools to protect your privacy against global mass surveillance.
🔸 DNS Privacy Test Servers - DNS privacy recursive servers list (with a 'no logging' policy).
🔸 ShellCheck - finds bugs in your shell scripts.
🔸 explainshell - get interactive help texts for shell commands.
🔸 jsbin - live pastebin for HTML, CSS & JavaScript and more.
🔸 CodePen - a social development environment for front-end designers and developers.
🔸 CodeSandbox - online code editor for web application development. Supports React, Vue, Angular, CxJS, Dojo, etc.
🔸 PHP Sandbox - test your PHP code with this code tester.
🔸 Repl.it - an instant IDE to learn, build, collaborate, and host all in one place.
🔸 GTmetrix - analyze your site’s speed and make it faster.
🔸 Sucuri loadtimetester - test here the
performance of any of your sites from across the globe.
🔸 Pingdom Tools - analyze your site’s speed around the world.
🔸 PingMe.io - run website latency tests across multiple geographic regions.
🔸 PageSpeed Insights - analyze your site’s speed and make it faster.
🔸 web.dev - helps developers like you learn and apply the web's modern capabilities to your own sites and apps.
🔸 Censys - platform that helps information security practitioners discover, monitor, and analyze devices.
🔸 Shodan - the world's first search engine for Internet-connected devices.
🔸 Shodan 2000 - do you use Shodan for everyday work? This tool looks for randomly generated data from Shodan.
🔸 GreyNoise - mass scanner such as Shodan and Censys.
🔸 ZoomEye - search engine for cyberspace that lets the user find specific network components.
🔸 FOFA - is a cyberspace search engine.
🔸 onyphe - is a search engine for open-source and cyber threat intelligence data collected.
🔸 binaryedge - it scan the entire internet space and create real-time threat intelligence streams and reports.
🔸 hunter - lets you find email addresses in seconds and connect with the people that matter for your business.
🔸 wigle - is a submission-based catalog of wireless networks. All the networks. Found by Everyone.
🔸 PublicWWW - find any alphanumeric snippet, signature or keyword in the web pages HTML, JS and CSS code.
🔸 IntelTechniques - this repository contains hundreds of online search utilities.
🔸 GhostProject? - search by full email address or username.
🔸 Buckets by Grayhatwarfar - database with public search for Open Amazon S3 Buckets and their contents.
🔸 Vigilante.pw - the breached database directory.
🔸 databreaches - was my email affected by data breach?
🔸 builtwith - find out what websites are built with.
🔸 Mamont's open FTP Index - if a target has an open FTP site with accessible content it will be listed here.
🔸 Gotcha? - list of 1.4 billion accounts circulates around the Internet.
🔸 have i been pwned? - check if you have an account that has been compromised in a data breach.
🔸 CVE Mitre - list of publicly known cybersecurity vulnerabilities.
🔸 CVE Details - CVE security vulnerability advanced database.
🔸 Exploit DB - CVE compliant archive of public exploits and corresponding vulnerable software.
🔸 0day.today - exploits market provides you the possibility to buy zero-day exploits and also to sell 0day exploits.
🔸 sploitus - the exploit and tools database.
🔸 cxsecurity - free vulnerability database.
🔸 ImmuniWeb® Mobile App Scanner - test security and privacy of mobile apps (iOS & Android).
🔸 Quixxi - free Mobile App Vulnerability Scanner for Android & iOS.
🔸 Ostorlab - analyzes mobile application to identify vulnerabilities and potential weaknesses.
🔸 Startpage - the world's most private search engine.
🔸 searX - a privacy-respecting, hackable metasearch engine.
🔸 CounterMail - is a secure and easy to use online email service, designed to provide maximum security and privacy.
🔸 Mail2Tor - is a Tor Hidden Service that allows anyone to send and receive emails anonymously.
🔸 Tutanota - is the world's most secure email service and amazingly easy to use.
🔸 Protonmail - is the world's largest secure email service, developed by CERN and MIT scientists.
🔸 Startmail - private & encrypted email made easy.
🔸 Keybase - it's open source and powered by public-key cryptography.
🔸 SKS OpenPGP Key server - includes a highly-efficient reconciliation algorithm for keeping the keyservers synchronized.
🔸 Slackware - the most "Unix-like" Linux distribution.
🔸 OpenBSD - multi-platform 4.4BSD-based UNIX-like operating system.
🔸 HardenedBSD - HardenedBSD aims to implement innovative exploit mitigation and security solutions.
🔸 Kali Linux - Linux distribution used for Penetration Testing, Ethical Hacking and network security assessments.
🔸 Backbox Linux - penetration test and security assessment oriented Ubuntu-based Linux distribution.
🔸 BlackArch - is an Arch Linux-based penetration testing distribution for penetration testers and security researchers.
🔸 Security Onion - Linux distro for intrusion detection, enterprise security monitoring, and log management.
🔸 Tails - is a live system that aims to preserve your privacy and anonymity.
🔸 Varnish Cache - HTTP accelerator designed for content-heavy dynamic web sites.
🔸 Nginx - open source web and reverse proxy server that is similar to Apache, but very light weight.
🔸 HAProxy - the reliable, high performance TCP/HTTP load balancer.
🔸 Emerald Onion - seattle-based encrypted-transit internet service provider.
🔸 Unbound - validating, recursive, and caching DNS resolver (with TLS).
🔸 Knot Resolver - caching full resolver implementation, including both a resolver library and a daemon.
🔸 pi-hole - the Pi-hole® is a DNS sinkhole that protects your devices from unwanted content.
🔸 maltrail - malicious traffic detection system.
🔸 security_monkey - monitors AWS, GCP, OpenStack, and GitHub orgs for assets and their changes over time.
🔸 CapAnalysis - web visual tool to analyze large amounts of captured network traffic (PCAP analyzer).
🔸 NRE Labs - learn automation by doing it. Right now, right here, in your browser.
🔸 pure-bash-bible - a collection of pure bash alternatives to external processes.
🔸 The Bash Hackers Wiki - hold documentation of any kind about GNU Bash.
🔸 Shell & Utilities - describes the commands and utilities offered to application programs by POSIX-conformant systems.
🔸 the-art-of-command-line - master the command line, in one page.
🔸 Awesome Python - a curated list of awesome Python frameworks, libraries, software and resources.
🔸 F’Awk Yeah! - advanced sed and awk usage (Parsing for Pentesters 3).
🔸 nixCraft - linux and unix tutorials for new and seasoned sysadmin.
🔸 TecMint - the ideal Linux blog for Sysadmins & Geeks.
🔸 Omnisecu - free Networking, System Administration and Security tutorials.
🔸 Unix Toolbox - collection of Unix/Linux/BSD commands and tasks which are useful for IT work or for advanced users.
🔸 Linux Guide and Hints - tutorials on system administration in Fedora® and CentOS®, including OpenLDAP and FreeIPA.
🔸 http2-explained - a detailed document explaining and documenting HTTP/2.
🔸 http3-explained - a document describing the HTTP/3 and QUIC protocols.
🔸 The System Design Primer - learn how to design large-scale systems.
🔸 Awesome Scalability - best practices in building High Scalability, High Availability, High Stability and more.
🔸 Security Harden CentOS 7 - this walks you through the steps required to security harden CentOS.
🔸 CentOS 7 Server Hardening Guide - great guide for hardening CentOS; familiar with OpenSCAP.
🔸 OWASP - worldwide not-for-profit charitable organization focused on improving the security of software.
🔸 OWASP ASVS 3.0.1 - OWASP Application Security Verification Standard Project.
🔸 OWASP ASVS 3.0.1 Web App - simple web app that helps developers understand the ASVS requirements.
🔸 OWASP Testing Guide v4 - includes a "best practice" penetration testing framework.
🔸 Hacking Articles - LRaj Chandel's Security & Hacking Blog.
🔸 AWS security tools - make your AWS cloud environment more secure.
🔸 Rawsec's CyberSecurity Inventory - an inventory of tools and resources about CyberSecurity.
🔸 Application Security Wiki - is an initiative to provide all application security related resources at one place.
🔸 The Illustrated TLS Connection - every byte of a TLS connection explained and reproduced.
🔸 Certificates and PKI - everything you should know about certificates and PKI but are too afraid to ask.
🔸 The Art of Subdomain Enumeration - a reference for subdomain enumeration techniques.
🔸 Quitting Google - the comprehensive guide to quitting Google.
🔸 Mozilla Web Security - help operational teams with creating secure web applications.
🔸 Enable CORS - enable cross-origin resource sharing.
🔸 CTF Series : Vulnerable Machines - the steps below could be followed to find vulnerabilities and exploits.
🔸 How to start RE/malware analysis? - collection of some hints and useful links for the beginners.
🔸 LZone Cheat Sheets - all cheat sheets.
🔸 Dan’s Cheat Sheets’s - massive cheat sheets documentation.
🔸 Rico's cheatsheets - this is a modest collection of cheatsheets.
🔸 The C10K problem - it's time for web servers to handle ten thousand clients simultaneously, don't you think?
🔸 Bank Grade Security - when companies say they have "Bank Grade Security" they imply that it is a good thing.*
🔸 HTTPS on Stack Overflow - this is the story of a long journey regarding the implementation of SSL.
🔸 Julia's Drawings - some drawings about programming and unix world, zines about systems & debugging tools.
🔸 BGP Meets Cat - after 3072 hours of manipulating BGP, Job Snijders has succeeded in drawing a Nyancat.
🔸 HTTPS in the real world - great tutorial explain how HTTPS works in the real world.
🔸 Gitlab and NFS bug - how we spent two weeks hunting an NFS bug in the Linux kernel.
🔸 Hidden directories and files - as a source of sensitive information about web application.
🔸 How To Become A Hacker - if you want to be a hacker, keep reading.
🔸 Operation Costs in CPU - an infographics which should help to estimate costs of certain operations in CPU clocks.
🔸 Awesome Sysadmin - amazingly awesome open source sysadmin resources.
🔸 Awesome Shell - awesome command-line frameworks, toolkits, guides and gizmos.
🔸 Command-line-text-processing - from finding text to search and replace, from sorting to beautifying text and more.
🔸 Awesome Pcaptools - collection of tools developed by other researchers to process network traces.
🔸 Linux Network Performance - learn where some of the network sysctl variables fit into the Linux/Kernel network flow.
🔸 Awesome Postgres - list of awesome PostgreSQL software, libraries, tools and resources.
🔸 Awesome-Selfhosted - list of Free Software network services and web applications which can be hosted locally.
🔸 Front-End-Checklist - the perfect Front-End Checklist for modern websites and meticulous developers.
🔸 Awesome Web Security - a curated list of Web Security materials and resources.
🔸 awesome-cyber-skills - a curated list of hacking environments where you can train your cyber skills.
🔸 Red-Teaming-Toolkit - a collection of open source and commercial tools that aid in red team operations.
🔸 awesome-burp-extensions - a curated list of amazingly awesome Burp Extensions.
🔸 Free Security eBooks - list of a Free Security and Hacking eBooks.
🔸 Movies for Hackers - list of movies every hacker & cyberpunk must watch.
🔸 Brendan Gregg's Blog - Brendan Gregg is an industry expert in computing performance and cloud computing.
🔸 Gynvael "GynDream" Coldwind - Gynvael is a IT security engineer at Google.
🔸 Michał "lcamtuf" Zalewski - "white hat" hacker, computer security expert.
🔸 Mattias Geniar - developer, Sysadmin, Blogger, Podcaster and Public Speaker.
🔸 Nick Craver - Software Developer and Systems Administrator for Stack Exchange.
🔸 Robert Penz - IT security Expert.
🔸 Scott Helme - Security Researcher, international speaker and founder of securityheaders.com and report-uri.com.
🔸 Binni Shah - Linux Evangelist. Malwares. Kernel Dev. Security Enthusiast.
🔸 Kacper Szurek - Detection Engineer at ESET.
🔸 Troy Hunt - Microsoft Regional Director and Microsoft Most Valuable Professional for Developer Security.
🔸 raymii.org - Linux/Unix Sysadmin specializing in building high availability cloud environments.
🔸 Linux Audit - the Linux security blog about Auditing, Hardening and Compliance by Michael Boelen.
🔸
Linux Security Expert - trainings, howtos, checklists, security tools and more.
🔸 The Grymoire - collection of useful incantations for wizards, be you computer wizards, magicians, or whatever.
🔸 How to Do Things at ARL - how to configure modems, scan images, record CD-ROMs, and other useful techniques.
🔸 Sandcat Browser - a penetration-oriented browser with plenty of advanced functionality already built in.
🔸 Metasploit - tool and framework for pentesting system, web and many more, contains a lot a ready to use exploit.
🔸 Burp Suite - tool for testing Web application security, intercepting proxy to replay, inject, scan and fuzz HTTP requests.
🔸 OWASP Zed Attack Proxy - intercepting proxy to replay, inject, scan and fuzz HTTP requests.
🔸 w3af - is a Web Application Attack and Audit Framework.
🔸 mitmproxy - an interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
🔸 Nikto2 - web server scanner which performs comprehensive tests against web servers for multiple items.
🔸 sqlmap - tool that automates the process of detecting and exploiting SQL injection flaws.
🔸 Faraday - an Integrated Multiuser Pentest Environment.
🔸 ctf-tools - some setup scripts for security research tools.
🔸 security-tools - collection of small security tools created mostly in Python. CTFs, pentests and so on.
🔸 fuzzdb - dictionary of attack patterns and primitives for black-box application fault injection and resource discovery.
🔸 syzkaller - is an unsupervised, coverage-guided kernel fuzzer.
🔸 GDB PEDA - Python Exploit Development Assistance for GDB.
🔸 IDA - multi-processor disassembler and debugger useful for reverse engineering malware.
🔸 radare2 - framework for reverse-engineering and analyzing binaries.
🔸 Vulnreport - open-source pentesting management and automation platform by Salesforce Product Security.
🔸 PTES - the penetration testing execution standard.
🔸 Pentests MindMap - amazing mind map with vulnerable apps and systems.
🔸 WebApps Security Tests MindMap - incredible mind map for WebApps security tests.
🔸 Brute XSS - master the art of Cross Site Scripting.
🔸 Offensive Security Bookmarks - security bookmarks collection, all that things I need to pass OSCP.
🔸 SecLists - collection of multiple types of lists used during security assessments, collected in one place.
🔸 Awesome Pentest Cheat Sheets - collection of the cheat sheets useful for pentesting.
🔸 Awesome Hacking by HackWithGithub - awesome lists for hackers, pentesters and security researchers.
🔸 Awesome Hacking by carpedm20 - a curated list of awesome hacking tutorials, tools and resources.
🔸 Awesome Hacking Resources - collection of hacking/penetration testing resources to make you better.
🔸 Awesome Pentest - collection of awesome penetration testing resources, tools and other shiny things.
🔸 Hacking Cheat Sheet - author hacking and pentesting notes.
🔸 Cyber Security Resources - includes thousands of cybersecurity-related references and resources.
🔸 Pentest Bookmarks - there are a LOT of pentesting blogs.
🔸 PayloadsAllTheThings - a list of useful payloads and bypass for Web Application Security and Pentest/CTF.
🔸 payloads - git all the Payloads! A collection of web attack payloads.
🔸 Pentesting Tools Cheat Sheet - a quick reference high level overview for typical penetration testing engagements.
🔸 DEF CON Media Server - great stuff from DEFCON.
🔸 Awesome Malware Analysis - a curated list of awesome malware analysis tools and resources.
🔸 SQL Injection Cheat Sheet - detailed technical information about the many different variants of the SQL Injection.
🔸 Entersoft Knowledge Base - great and detailed reference about vulnerabilities.
🔸 HTML5 Security Cheatsheet - a collection of HTML5 related XSS attack vectors.
🔸 XSS String Encoder - for generating XSS code to check your input validation filters against XSS.
🔸 GTFOBins - list of Unix binaries that can be exploited by an attacker to bypass local security restrictions.
🔸 Guifre Ruiz Notes - collection of security, system, network and pentest cheatsheets.
🔸 SSRF Tips - a collection of SSRF Tips.
🔸 shell-storm repo CTF - great archive of CTFs.
🔸 ctf - CTF (Capture The Flag) writeups, code snippets, notes, scripts.
🔸 MSTG - The Mobile Security Testing Guide (MSTG) is a comprehensive manual for mobile app security testing.
🔸 Bounty Factory - European bug bounty platform based on the legislation and rules in force in European countries.
🔸 Openbugbounty - allows any security researcher reporting a vulnerability on any website.
🔸 hackerone - global hacker community to surface the most relevant security issues.
🔸 bugcrowd - crowdsourced cybersecurity for the enterprise.
🔸 Crowdshield - crowdsourced Security & Bug Bounty Management.
🔸 OWASP-VWAD - comprehensive and well maintained registry of all known vulnerable web applications.
🔸 Metasploitable 2 - vulnerable web application amongst security researchers.
🔸 DVWA - PHP/MySQL web application that is damn vulnerable.
🔸 OWASP Mutillidae II - free, open source, deliberately vulnerable web-application.
🔸 OWASP Juice Shop Project - the most bug-free vulnerable application in existence.
🔸 OWASP WebGoat Project - insecure web application maintained by OWASP designed to teach web app security.
🔸 Security Ninjas - open source application security training program.
🔸 hackazon - a modern vulnerable web app.
🔸 dvna - damn vulnerable NodeJS application.
🔸 Google Gruyere - web application exploits and defenses.
🔸 Bodhi - is a playground focused on learning the exploitation of client-side web vulnerabilities.
🔸 Offensive Security - true performance-based penetration testing training for over a decade.
🔸 Hack The Box - online platform allowing you to test your penetration testing skills.
🔸 Hacking-Lab - online ethical hacking, computer network and security challenge platform.
🔸 pwnable.kr - non-commercial wargame site which provides various pwn challenges regarding system exploitation.
🔸 Pwnable.tw - is a wargame site for hackers to test and expand their binary exploiting skills.
🔸 picoCTF - is a free computer security game targeted at middle and high school students.
🔸 CTFlearn - is an online platform built to help ethical hackers learn and practice their cybersecurity knowledge and skills.
🔸 Silesia Security Lab - high quality security testing services.
🔸 Practical Pentest Labs - pentest lab, take your Hacking skills to the next level.
🔸 Root Me - the fast, easy, and affordable way to train your hacking skills.
🔸 rozwal.to - a great platform to train your pentesting skills.
🔸 TryHackMe - learning Cyber Security made easy.
🔸 hackxor - is a realistic web application hacking game, designed to help players of all abilities develop their skills.
🔸 OverTheWire - can help you to learn and practice security concepts in the form of fun-filled games.
🔸 Wizard Labs - is an online Penetration Testing Lab.
🔸 PentesterLab - provides vulnerable systems that can be used to test and understand vulnerabilities.
🔸 RingZer0 - tons of challenges designed to test and improve your hacking skills.
🔸 Ubeeri - preconfigured lab environments.
🔸 Pentestit - emulate IT infrastructures of real companies for legal pen testing and improving penetration testing skills.
🔸 Microcorruption - reversal challenges done in the web interface.
🔸 Crackmes - download crackmes to help improve your reverse engineering skills.
🔸 Bugcrowd University - open source education content for the researcher community.
🔸 OSCPRepo - a list of resources and scripts that I have been gathering in preparation for the OSCP.
🔸 OWASP Top 10: Real-World Examples - test your web apps with real-world examples (two-part series).
🔸 Feedly - organize, read and share what matters to you.
🔸 Security Newsletter - security news as a weekly digest (email notifications).
🔸 Google Online Security Blog - the latest news and insights from Google on security and safety on the Internet.
🔸 Qualys Blog - expert network security guidance and news.
🔸 DARKReading - connecting the Information Security Community.
🔸 publiclyDisclosed - public disclosure watcher who keeps you up to date about the recently disclosed bugs.
🔸 Packet Storm - information security services, news, files, tools, exploits, advisories and whitepapers.
🔸 Sekurak - about security, penetration tests, vulnerabilities and many others (PL/EN).
🔸 nf.sec - basic aspects and mechanisms of Linux operating system security (PL).
🔸 Unbound DNS Tutorial - a validating, recursive, and caching DNS server.
🔸 Knot Resolver on Fedora - how to get faster and more secure DNS resolution with Knot Resolver on Fedora.
🔸 DNS-over-HTTPS - tutorial to setup your own DNS-over-HTTPS (DoH) server.
🔸 DNS Servers - how (and why) i run my own DNS Servers.
🔸 OpenSSL Certificate Authority - build your own certificate authority (CA) using the OpenSSL command-line tools.
🔸 os-tutorial - how to create an OS from scratch.
🔸 Write your Own Virtual Machine - how to write your own virtual machine (VM).
IP | URL |
---|---|
84.200.69.80 |
dns.watch |
94.247.43.254 |
opennic.org |
64.6.64.6 |
verisign.com |
89.233.43.71 |
censurfridns.dk |
1.1.1.1 |
cloudflare.com |
94.130.110.185 |
dnsprivacy.at |
Extension name | Description |
---|---|
IPvFoo |
Display the server IP address and HTTPS information across all page elements. |
FoxyProxy |
Simplifies configuring browsers to access proxy-servers. |
HTTPS Everywhere |
Automatically use HTTPS security on many sites. |
uMatrix |
Point & click to forbid/allow any class of requests made by your browser. |
uBlock Origin |
An efficient blocker: easy on memory and CPU footprint. |
Session Buddy |
Manage browser tabs and bookmarks with ease. |
SuperSorter |
Sort bookmarks recursively, delete duplicates, merge folders and more. |
Clear Cache |
Clear your cache and browsing data. |
d3coder |
Encoding/Decoding plugin for various types of encoding. |
Web Developer |
Adds a toolbar button with various web developer tools. |
ThreatPinch Lookup |
Add threat intelligence hover tool tips. |
Extension name | Description |
---|---|
Autorize |
Automatically detects authorization enforcement. |
Reflection |
An efficient blocker: easy on memory and CPU footprint. |
Logger++ |
Logs requests and responses for all Burp tools in a sortable table. |
Bypass WAF |
Adds headers useful for bypassing some WAF devices. |
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.. |
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. |
Software Vulnerability Scanner |
Software vulnerability scanner based on Vulners.com audit API. |
exec $SHELL -l
disown -a && exit
kill -9 $$
unset HISTFILE && exit
true && echo success
false || echo failed
some_command > >(/bin/cmd_for_stdout) 2> >(/bin/cmd_for_stderr)
(some_command 2>&1 1>&3 | tee errorlog ) 3>&1 1>&2 | tee stdoutlog
history | \
awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | \
grep -v "./" | \
column -c3 -s " " -t | \
sort -nr | nl | head -n 20
cp filename{,.orig}
>filename
rm !(*.foo|*.bar|*.baz)
# cat >filename ... - overwrite file
# cat >>filename ... - append to file
cat > filename << __EOF__
data data data
__EOF__
vim scp://user@host//etc/fstab
mkd() { mkdir -p "$@" && cd "$@"; }
rename 'y/A-Z/a-z/' *
printf "%`tput cols`s" | tr ' ' '#'
history | cut -c 8-
fc -l -n 1 | sed 's/^\s*//'
cat > /etc/profile << __EOF__
_after_logout() {
username=$(whoami)
for _pid in $(ps afx | grep sshd | grep "$username" | awk '{print $1}') ; do
kill -9 $_pid
done
}
trap _after_logout EXIT
__EOF__
for ((i=1; i<=10; i+=2)) ; do echo $i ; done
# alternative: seq 1 2 10
for ((i=5; i<=10; ++i)) ; do printf '%02d\n' $i ; done
# alternative: seq -w 5 10
mount -t tmpfs tmpfs /mnt -o size=64M
-t
- filesystem type-o
- mount optionsmount -o remount,rw /
fuser -k filename
fuser -v 53/udp
ps awwfux | less -S
ps hax -o user | sort | uniq -c | sort -r
find / -mmin 60 -type f
find / -type f -size +20M
find -type f -exec md5sum '{}' ';' | sort | uniq --all-repeated=separate -w 33
cd /var/www/site && find . -type f -exec chmod 766 {} \;
cd /var/www/site && find . -type f -exec chmod 664 {} +
cd /var/www/site && find . -type d -exec chmod g+x {} \;
cd /var/www/site && find . -type d -exec chmod g+rwx {} +
find . -user <username> -print
find . \!-user <username> -print
find . -type f -mtime +60 -delete
find . -depth -type d -empty -exec rmdir {} \;
find </path/to/dir> -xdev -samefile filename
find . -type f -exec stat --format '%Y :%y %n' "{}" \; | sort -nr | cut -d: -f2- | head
top -p $(pgrep -d , <str>)
<str>
- process containing str (eg. nginx, worker)strace -f -p $(pidof glusterfsd)
timeout 30 strace $(< /var/run/zabbix/zabbix_agentd.pid)
ps auxw | grep 'sbin/[a]pache' | awk '{print " -p " $2}' | xargs strace -o /tmp/strace-apache-proc.out
strace -f -e trace=bind nc -l 80
strace -f -e trace=network nc -lu 80
kill -9 $(lsof -i :<port> | awk '{l=$2} END {print l}')
diff <(cd directory1 && find | sort) <(cd directory2 && find | sort)
tail -f file | while read ; do echo "$(date +%T.%N) $REPLY" ; done
tail -10000 access_log | awk '{print $1}' | sort | uniq -c | sort -n | tail
tail -n 100 -f /path/to/logfile | grep "HTTP/[1-2].[0-1]\" [5]"
cd /
tar -czvpf /mnt/system$(date +%d%m%Y%s).tgz --directory=/ \
--exclude=proc/* --exclude=sys/* --exclude=dev/* --exclude=mnt/* .
cd /
tar cvpf /backup/snapshot-$(date +%d%m%Y%s).tgz --directory=/ \
--exclude=proc/* --exclude=sys/* --exclude=dev/* \
--exclude=mnt/* --exclude=tmp/* --use-compress-program=pigz .
dump -y -u -f /backup/system$(date +%d%m%Y%s).lzo /
cd /
restore -rf /backup/system$(date +%d%m%Y%s).lzo
cpulimit -p pid -l 50
pwdx <pid>
taskset -c 0 <command>
tr : '\n' <<<$PATH
chmod -R -x+X *
# 1:
cp /bin/ls chmod.01
cp /bin/chmod chmod.01
./chmod.01 700 file
# 2:
/bin/busybox chmod 0700 /bin/chmod
# 3:
setfacl --set u::rwx,g::---,o::--- /bin/chmod
who -b
[[ $(who -m | awk '{ print $1 }') == $(whoami) ]] || echo "You are su-ed to $(whoami)"
(last -x -f $(ls -1t /var/log/wtmp* | head -2 | tail -1); last -x -f /var/log/wtmp) | grep -A1 reboot | head -2 | grep -q shutdown && echo "Expected reboot" || echo "Panic reboot"
screen -d -m [<command>]
du | \
sort -r -n | \
awk '{split("K M G",v); s=1; while($1>1024){$1/=1024; s++} print int($1)" "v[s]"\t"$2}' | \
head -n 20
while true ; do inotifywait -r -e MODIFY dir/ && ls dir/ ; done;
echo | openssl s_client -connect google.com:443 -showcerts
echo | openssl s_client -showcerts -servername google.com -connect google.com:443
openssl s_client -tls1_2 -connect google.com:443
openssl s_client -cipher 'AES128-SHA' -connect google.com:443
# _len: 2048, 4096
( _fd="private.key" ; _len="4096" ; \
openssl genrsa -out ${_fd} ${_len} )
# _ciph: des3, aes128, aes256
# _len: 2048, 4096
( _ciph="aes128" ; _fd="private.key" ; _len="4096" ; \
openssl genrsa -${_ciph} -out ${_fd} ${_len} )
( _fd="private.key" ; _fd_unp="private_unp.key" ; \
openssl rsa -in ${_fd} -out ${_fd_unp} )
( _fd="private.key" ; _fd_pub="public.key" ; \
openssl rsa -pubout -in ${_fd} -out ${_fd_pub} )
( _fd="private.key" ; _fd_csr="request.csr" ; _len="4096" ; \
openssl req -out ${_fd_csr} -new -newkey rsa:${_len} -nodes -keyout ${_fd} )
( _fd="private.key" ; _fd_csr="request.csr" ; \
openssl req -out ${_fd_csr} -new -key ${_fd} )
( _fd="private.key" ; _fd_csr="request.csr" ; _fd_crt="cert.crt" ; \
openssl x509 -x509toreq -in ${_fd_crt} -out ${_fd_csr} -signkey ${_fd} )
( _fd="private.key" ; _fd_csr="request.csr" ; \
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
[ dn ]
C=<two-letter ISO abbreviation for your country>
ST=<state or province where your organization is legally located>
L=<city where your organization is legally located>
O=<legal name of your organization>
OU=<section of the organization>
CN=<fully qualified domain name>
[ req_ext ]
subjectAltName = @alt_names
[ alt_names ]
DNS.1 = <fully qualified domain name>
DNS.2 = <next domain>
DNS.3 = <next domain>
EOF
))
( _fd_der="cert.crt" ; _fd_pem="cert.pem" ; \
openssl x509 -in ${_fd_der} -inform der -outform pem -out ${_fd_pem} )
( _fd_der="cert.crt" ; _fd_pem="cert.pem" ; \
openssl x509 -in ${_fd_pem} -outform der -out ${_fd_der} )
(openssl rsa -noout -modulus -in private.key | openssl md5 ; openssl x509 -noout -modulus -in certificate.crt | openssl md5) | uniq
gnutls-cli -p 443 google.com
gnutls-cli --disable-sni -p 443 google.com
shred -vfuz -n 10 file
shred --verbose --random-source=/dev/urandom -n 1 /dev/sda
scrub -p dod /dev/sda
scrub -p dod -r file
badblocks -s -w -t random -v /dev/sda
badblocks -c 10240 -s -w -t random -v /dev/sda
srm -vz /tmp/file
sfill -vz /local
sdmem -v
swapoff /dev/sda5 && sswap -vz /dev/sda5
dd <dd_params> status=progress
watch --interval 5 killall -USR1 dd
echo "string" | dd of=filename
curl -Iks https://www.google.com
-I
- show response headers only-k
- insecure connection when using ssl-s
- silent mode (not display body)curl -Iks --location -X GET -A "x-agent" https://www.google.com
--location
- follow redirects-X
- set method-A
- set user-agentcurl -Iks --location -X GET -A "x-agent" --proxy http://127.0.0.1:16379 https://www.google.com
--proxy [socks5://|http://]
- set proxy server### Set domains and external dns servers.
_domain_list=(google.com) ; _dns_list=("8.8.8.8" "1.1.1.1")
for _domain in "${_domain_list[@]}" ; do
printf '=%.0s' {1..48}
echo
printf "[\\e[1;32m+\\e[m] resolve: %s\\n" "$_domain"
for _dns in "${_dns_list[@]}" ; do
# Resolve domain.
host "${_domain}" "${_dns}"
echo
done
for _proto in http https ; do
printf "[\\e[1;32m+\\e[m] trace + headers: %s://%s\\n" "$_proto" "$_domain"
# Get trace and http headers.
curl -Iks -A "x-agent" --location "${_proto}://${_domain}"
echo
done
done
unset _domain_list _dns_list
http -p Hh https://www.google.com
-p
- print request and response headers
H
- request headersB
- request bodyh
- response headersb
- response bodyhttp -p Hh --follow --max-redirects 5 --verify no https://www.google.com
-F, --follow
- follow redirects--max-redirects N
- maximum for --follow
--verify no
- skip SSL verificationhttp -p Hh --follow --max-redirects 5 --verify no --proxy http:http://127.0.0.1:16379 https://www.google.com
--proxy [http:]
- set proxy serverssh user@host cat /path/to/remotefile | diff /path/to/localfile -
ssh -t reachable_host ssh unreachable_host
cat > cmd.txt << __EOF__
cat /etc/hosts
__EOF__
ssh host -l user $(<cmd.txt)
ssh-keygen -y -f ~/.ssh/id_rsa
ssh-keygen -l -f .ssh/known_hosts
ssh -o PreferredAuthentications=password -o PubkeyAuthentication=no user@remote_host
ssh -o PreferredAuthentications=publickey -o PubkeyAuthentication=yes -i id_rsa user@remote_host
function _ssh_sesslog() {
_sesdir="<path/to/session/logs>"
mkdir -p "${_sesdir}" && \
ssh $@ 2>&1 | tee -a "${_sesdir}/$(date +%Y%m%d).log"
}
# Alias:
alias ssh='_ssh_sesslog'
### Delete all of ssh-agent's keys.
function _scl() {
/usr/bin/keychain --clear
}
### Add key to keychain.
function _scg() {
/usr/bin/keychain /path/to/private-key
source "$HOME/.keychain/$HOSTNAME-sh"
}
ssh -tt user@host bash
Example 1:
# Forwarding our local 2250 port to nmap.org:443 from localhost through localhost
host1> ssh -L 2250:nmap.org:443 localhost
# Connect to the service:
host1> curl -Iks --location -X GET https://localhost:2250
Example 2:
# Forwarding our local 9051 port to db.d.x:5432 from localhost through node.d.y
host1> ssh -nNT -L 9051:db.d.x:5432 node.d.y
# Connect to the service:
host1> psql -U db_user -d db_dev -p 9051 -h localhost
-n
- redirects stdin from /dev/null
-N
- do not execute a remote command-T
- disable pseudo-terminal allocation# Forwarding our local 9051 port to db.d.x:5432 from host2 through node.d.y
host1> ssh -nNT -R 9051:db.d.x:5432 node.d.y
# Connect to the service:
host2> psql -U postgres -d postgres -p 8000 -h localhost
timeout 1 bash -c "</dev/<proto>/<host>/<port>" >/dev/null 2>&1 ; echo $?
<proto
- set protocol (tcp/udp)<host>
- set remote host<port>
- set destination portexec 5<>/dev/tcp/<host>/<port>; cat <&5 & cat >&5; exec 5>&-
tcpdump -ne -i eth0 -Q in host 192.168.252.1 and port 443
-n
- don’t convert addresses (-nn
will not resolve hostnames or ports)-e
- print the link-level headers-i [iface|any]
- set interface-Q|-D [in|out|inout]
- choose send/receive direction (-D
- for old tcpdump versions)host [ip|hostname]
- set host, also [host not]
[and|or]
- set logicport [1-65535]
- set port number, also [port not]
tcpdump -ne -i eth0 -Q in host 192.168.252.1 and port 443 -c 5 -w tcpdump.pcap
-c [num]
- capture only num number of packets-w [filename]
- write packets to file, -r [filename]
- reading from filetcpdump -nei eth0 icmp
tcpdump -nei eth0 tcp port 22 -vv -X | egrep "TCP|UDP"
tcpdump -i eth0 -A -s0 port 443
tcpdump -i eth0 port 80 -X | sed -n -e '/username/,/=ldap/ p'
tcpdump -i eth0 port http -l -A | egrep -i 'pass=|pwd=|log=|login=|user=|username=|pw=|passw=|passwd=|password=|pass:|user:|username:|password:|login:|pass |user ' --color=auto --line-buffered -B20
tcpdump -ei eth0 -nn -A -s1500 -l | grep "User-Agent:"
tcpdump -ei eth0 -s 0 -A -vv 'tcp[((tcp[12:1] & 0xf0) >> 2):4] = 0x47455420' or 'tcp[((tcp[12:1] & 0xf0) >> 2):4] = 0x504f5354'
or simply:
tcpdump -ei eth0 -s 0 -v -n -l | egrep -i "POST /|GET /|Host:"
tcpdump -ei eth0 -w /tmp/capture-%H.pcap -G 3600 -C 200
-G <num>
- pcap will be created every <num>
seconds-C <size>
- close the current pcap and open a new one if is larger than <size>
tcpdump -ei enp0s25 -nnn -t -c 200 | cut -f 1,2,3,4 -d '.' | sort | uniq -c | sort -nr | head -n 20
while true ; do tcpick -a -C -r dump.pcap ; sleep 2 ; clear ; done
ngrep -d eth0 "www.google.com" port 443
-d [iface|any]
- set interface[domain]
- set hostnameport [1-65535]
- set port numberngrep -d eth0 "www.google.com" (host 10.240.20.2) and (port 443)
(host [ip|hostname])
- filter by ip or hostname(port [1-65535])
- filter by port numberngrep -d eth0 -qt -O ngrep.pcap "www.google.com" port 443
-q
- quiet mode (only payloads)-t
- added timestamps-O [filename]
- save output to file, -I [filename]
- reading from filengrep -d eth0 -qt 'HTTP' 'tcp'
HTTP
- show http headerstcp|udp
- set protocol[src|dst] host [ip|hostname]
- set direction for specific nodengrep -l -q -d eth0 -i "User-Agent: curl*"
-l
- stdout line buffered-i
- case-insensitive searchhping3 -V -p 80 -s 5050 <scan_type> www.google.com
-V|--verbose
- verbose mode-p|--destport
- set destination port-s|--baseport
- set source port<scan_type>
- set scan type
-F|--fin
- set FIN flag, port open if no reply-S|--syn
- set SYN flag-P|--push
- set PUSH flag-A|--ack
- set ACK flag (use when ping is blocked, RST response back if the port is open)-U|--urg
- set URG flag-Y|--ymas
- set Y unused flag (0x80 - nullscan), port open if no reply-M 0 -UPF
- set TCP sequence number and scan type (URG+PUSH+FIN), port open if no replyhping3 -V -c 1 -1 -C 8 www.google.com
-c [num]
- packet count-1
- set ICMP mode-C|--icmptype [icmp-num]
- set icmp type (default icmp-echo = 8)hping3 -V -c 1000000 -d 120 -S -w 64 -p 80 --flood --rand-source <remote_host>
--flood
- sent packets as fast as possible (don’t show replies)--rand-source
- random source address mode-d --data
- data size-w|--win
- winsize (default 64)nmap -sP 192.168.0.0/24
nmap -F --open 192.168.0.0/24
nmap -p 1-65535 -sV -sS -T4 192.168.0.0/24
nmap -p80,443 192.168.0.0/24 -oG - | nikto.pl -h -
# Set variables:
_hosts="192.168.250.10"
_ports="80,443"
# Set Nmap NSE scripts stack:
_nmap_nse_scripts="+dns-brute,\
+http-auth-finder,\
+http-chrono,\
+http-cookie-flags,\
+http-cors,\
+http-cross-domain-policy,\
+http-csrf,\
+http-dombased-xss,\
+http-enum,\
+http-errors,\
+http-git,\
+http-grep,\
+http-internal-ip-disclosure,\
+http-jsonp-detection,\
+http-malware-host,\
+http-methods,\
+http-passwd,\
+http-phpself-xss,\
+http-php-version,\
+http-robots.txt,\
+http-sitemap-generator,\
+http-shellshock,\
+http-stored-xss,\
+http-title,\
+http-unsafe-output-escaping,\
+http-useragent-tester,\
+http-vhosts,\
+http-waf-detect,\
+http-waf-fingerprint,\
+http-xssed,\
+traceroute-geolocation.nse,\
+ssl-enum-ciphers,\
+whois-domain,\
+whois-ip"
# Set Nmap NSE script params:
_nmap_nse_scripts_args="dns-brute.domain=${_hosts},http-cross-domain-policy.domain-lookup=true,http-waf-detect.aggro,http-waf-detect.detectBodyChanges,http-waf-fingerprint.intensive=1"
# Perform scan:
nmap --script="$_nmap_nse_scripts" --script-args="$_nmap_nse_scripts_args" -p "$_ports" "$_hosts"
nc -kl 5000
-l
- listen for an incoming connection-k
- listening after client has disconnected>filename.out
- save receive data to file (optional)nc 192.168.0.1 5051 < filename.in
< filename.in
- send data to remote hostnc -vz 10.240.30.3 5000
-v
- verbose output-z
- scan for listening daemonsnc -vzu 10.240.30.3 1-65535
-u
- scan only udp portsserver> nc -l 5000 | tar xzvfp -
client> tar czvfp - /path/to/dir | nc 10.240.30.3 5000
server> nc -l 5000 -e /bin/bash
client> nc 10.240.30.3 5000
while true ; do nc -l 5000 | tar -xvf - ; done
while true ; do nc -l -p 1500 -c 'echo -e "HTTP/1.1 200 OK\n\n $(date)"' ; done
Restarts web server after each request - remove
while
condition for only single connection.
cat > index.html << __EOF__
<!doctype html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title></title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<p>
Hello! It's a site.
</p>
</body>
</html>
__EOF__
server> while : ; do \
(echo -ne "HTTP/1.1 200 OK\r\nContent-Length: $(wc -c <index.html)\r\n\r\n" ; cat index.html;) | \
nc -l -p 5000 \
; done
-p
- port number#!/usr/bin/env bash
if [[ $# != 2 ]] ; then
printf "%s\\n" \
"usage: ./nc-proxy listen-port bk_host:bk_port"
fi
_listen_port="$1"
_bk_host=$(echo "$2" | cut -d ":" -f1)
_bk_port=$(echo "$2" | cut -d ":" -f2)
printf " lport: %s\\nbk_host: %s\\nbk_port: %s\\n\\n" \
"$_listen_port" "$_bk_host" "$_bk_port"
_tmp=$(mktemp -d)
_back="$_tmp/pipe.back"
_sent="$_tmp/pipe.sent"
_recv="$_tmp/pipe.recv"
trap 'rm -rf "$_tmp"' EXIT
mkfifo -m 0600 "$_back" "$_sent" "$_recv"
sed "s/^/=> /" <"$_sent" &
sed "s/^/<= /" <"$_recv" &
nc -l -p "$_listen_port" <"$_back" | \
tee "$_sent" | \
nc "$_bk_host" "$_bk_port" | \
tee "$_recv" >"$_back"
server> chmod +x nc-proxy && ./nc-proxy 8080 192.168.252.10:8000
lport: 8080
bk_host: 192.168.252.10
bk_port: 8000
client> http -p h 10.240.30.3:8080
HTTP/1.1 200 OK
Accept-Ranges: bytes
Cache-Control: max-age=31536000
Content-Length: 2748
Content-Type: text/html; charset=utf-8
Date: Sun, 01 Jul 2018 20:12:08 GMT
Last-Modified: Sun, 01 Apr 2018 21:53:37 GMT
### TCP -> TCP
nc -l -p 2000 -c "nc [ip|hostname] 3000"
### TCP -> UDP
nc -l -p 2000 -c "nc -u [ip|hostname] 3000"
### UDP -> UDP
nc -l -u -p 2000 -c "nc -u [ip|hostname] 3000"
### UDP -> TCP
nc -l -u -p 2000 -c "nc [ip|hostname] 3000"
socat - TCP4:10.240.30.3:22
-
- standard input (STDIO)TCP4:<params>
- set tcp4 connection with specific params
[hostname|ip]
- set hostname/ip[1-65535]
- set port numbersocat TCP-LISTEN:1234,bind=127.0.0.1,reuseaddr,fork,su=nobody,range=127.0.0.0/8 UNIX-CLIENT:/tmp/foo
TCP-LISTEN:<params>
- set tcp listen with specific params
[1-65535]
- set port numberbind=[hostname|ip]
- set bind hostname/ipreuseaddr
- allows other sockets to bind to an addressfork
- keeps the parent process attempting to produce more connectionssu=nobody
- set userrange=[ip-range]
- ip rangeUNIX-CLIENT:<params>
- communicates with the specified peer socket
filename
- define socketlsof -P -i -n
lsof -i tcp:443
lsof -Pan -i tcp -i udp
lsof -i -P | grep -i "listen"
lsof -Pnl -i
lsof -Pni4 | grep LISTEN | column -t
lsof -c "process"
lsof -u username -a +D /etc
lsof / | \
awk '{ if($7 > 1048576) print $7/1048576 "MB" " " $9 " " $1 }' | \
sort -n -u | tail | column -t
netstat -an | \
grep ESTABLISHED | \
awk '{print $5}' | \
awk -F: '{print $1}' | \
grep -v -e '^[[:space:]]*$' | \
sort | uniq -c | \
awk '{ printf("%s\t%s\t",$2,$1) ; for (i = 0; i < $1; i++) {printf("*")}; print "" }'
watch "netstat -plan | grep :443 | awk {'print \$5'} | cut -d: -f 1 | sort | uniq -c | sort -nk 1"
rsync --rsync-path 'sudo rsync' username@hostname:/path/to/dir/ /local/
host google.com 9.9.9.9
host -t soa google.com 9.9.9.9
dig google.com +short
dig @9.9.9.9 google.com NS
dig google.com +nocomments +noquestion +noauthority +noadditional +nostats
dig google.com ANY +noall +answer
dig -x 172.217.16.14 +short
AS="AS32934"
whois -h whois.radb.net -- "-i origin ${AS}" | \
grep "^route:" | \
cut -d ":" -f2 | \
sed -e 's/^[ \t]//' | \
sort -n -t . -k 1,1 -k 2,2 -k 3,3 -k 4,4 | \
cut -d ":" -f2 | \
sed -e 's/^[ \t]/allow /' | \
sed 's/$/;/' | \
sed 's/allow */subnet -> /g'
_dname="google.com" ; curl -s "https://dns.google.com/resolve?name=${_dname}&type=A" | jq .
# Python 3.x
python3 -m http.server 8000 --bind 127.0.0.1
# Python 2.x
python -m SimpleHTTPServer 8000
# Python 3.x
from http.server import HTTPServer, BaseHTTPRequestHandler
import ssl
httpd = HTTPServer(('localhost', 4443), BaseHTTPRequestHandler)
httpd.socket = ssl.wrap_socket (httpd.socket,
keyfile="path/to/key.pem",
certfile='path/to/cert.pem', server_side=True)
httpd.serve_forever()
# Python 2.x
import BaseHTTPServer, SimpleHTTPServer
import ssl
httpd = BaseHTTPServer.HTTPServer(('localhost', 4443),
SimpleHTTPServer.SimpleHTTPRequestHandler)
httpd.socket = ssl.wrap_socket (httpd.socket,
keyfile="path/tp/key.pem",
certfile='path/to/cert.pem', server_side=True)
httpd.serve_forever()
awk '!x[$0]++' filename
awk '{$1=$3=""}1' filename
awk '/'$(date -d "1 hours ago" "+%d\\/%b\\/%Y:%H:%M")'/,/'$(date "+%d\\/%b\\/%Y:%H:%M")'/ { print $0 }' /var/log/httpd/access_log
sed -n 10p /path/to/file
sed -i 10d /path/to/file
# alternative (BSD): sed -i'' 10d /path/to/file
sed -i <file> -re '<start>,<end>d'
grep -rn "pattern"
grep -RnisI "pattern" *
fgrep "pattern" * -R
grep . filename > newfilename
grep -vE '(error|critical|warning)' filename
grep -v ^[[:space:]]*# filename
egrep -v '#|^$' filename