Update PENTEST-CHALLENGES.md

Author: michelbernardods

CHALLENGES/PENTEST-CHALLENGES.md

@@ -37,7 +37,7 @@ https://cmdchallenge.com
 https://cyberdefenders.org
 
 
--> CYBERSECLABS
+-> CYBERSECLABS - 
 https://www.cyberseclabs.co.uk
 
 
@@ -49,7 +49,7 @@ https://cryptohack.org
 https://exploit.education
 
 
--> ECHO CTF
+-> ECHO CTF - 
 https://echoctf.red
 
 
@@ -93,7 +93,7 @@ https://hstrike.com
 https://immersivelabs.com
 
 
--> KOMODOSEC
+-> KOMODOSEC - 
 http://ctf.komodosec.com
 
 
@@ -133,11 +133,11 @@ https://picoctf.com
 https://pwnable.kr/play.php
 
 
--> PWN COLLEGE
+-> PWN COLLEGE - 
 https://pwn.college
 
 
--> PORTS WIGGER
+-> PORTS WIGGER - 
 https://portswigger.net/web-security
 
 
@@ -173,6 +173,9 @@ https://cryptopals.com
 https://www.vulnhub.com
 
 
+-> VULNHUB - 
+https://vulnmachines.com
+
 -> W3Challs -
 https://w3challs.com
 
@@ -182,7 +185,7 @@ http://www.wechall.net
 
 
 -> ZENK SECURITY -
-https://www.zenk-security.com/epreuves.php
+https://repo.zenk-security.com - 
 
 
 ======================================