Protect secrets and credentials
Enumeration inside the container reveals that it has access to specific files or the Docker socket.
: nmap -sV -sC -oA hackfail 10.10.11.100 (Replace 10.10.11.100 with the actual IP of the machine)
Browse through public repositories. Look for configuration files (like .env or config.php ) that might contain secrets. Exploit Git Hooks: If you find a repository you can edit: Navigate to Settings > Git Hooks . Edit the pre-receive or post-update hook. hackfail.htb
: If a web application is present, look for common web vulnerabilities like SQL Injection, Cross-Site Scripting (XSS), or Remote File Inclusion (RFI).
: This highly depends on the identified vulnerabilities. For example, if a vulnerable web application is found, you might use a tool like sqlmap for SQL Injection.
While less common in modern HTB machines, a kernel-level vulnerability might be the last resort. 5. Key Takeaways and Defensive Measures Exploit Git Hooks: If you find a repository
After gaining a low-privileged shell, you need to become the root user. Cap-HTB-Walkthrough-By-Reju-Kole - InfoSec Write-ups
Common CVEs seen on hackfail.htb walkthroughs:
While hackfail.htb is not a real machine on the official platform, several real HTB machines have tricked users into creating their own hackfail environment. : This highly depends on the identified vulnerabilities
If the portal utilizes an upload mechanism or a dynamic parameter template, craft an explicit payload to bypass local filters.
Running OpenSSH. Useful later for persistent access if credentials are found.