infrahard

SecretShell

alfactf

Task: Pentest scenario with web shell, GitLab access, and lateral movement. Solution: Found shell.php via robots.txt, extracted GitLab credentials from .env, abused CI/CD shell runner for RCE, extracted SSH key from bash_history, and moved laterally to production server.

$ ls tags/ techniques/

credential_leak information_disclosure gitlab cicd_abuse ssh_key_extraction lateral_movement web_shell env_file pentest

Information disclosure via exposed web shellCredential harvesting from .env fileGitLab CI/CD pipeline abuse for RCESSH private key extractionLateral movement via SSH to production

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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