added 'PE-sieve'

- signed-off-by: trimstray <trimstray@gmail.com>

README.md

@@ -174,6 +174,7 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://cisofy.com/lynis/"><b>Lynis</b></a> - battle-tested security tool for systems running Linux, macOS, or Unix-based operating system.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/rebootuser/LinEnum"><b>LinEnum</b></a> - scripted Local Linux Enumeration & Privilege Escalation Checks.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/installation/rkhunter"><b>Rkhunter</b></a> - scanner tool for Linux systems that scans backdoors, rootkits and local exploits on your systems.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/hasherezade/pe-sieve"><b>PE-sieve</b></a> - is a light-weight tool that helps to detect malware running on the system.<br>
 </p>
 
 ##### :black_small_square: System Diagnostics/Debuggers