This comprehensive writeup documents the complete penetration testing process for the Chunqiu Yunjing Initial CTF challenge, covering the entire attack chain from initial reconnaissance through domain controller compromise.Target Environment InformationThe challenge provides a simulated professional scenario with the following target IP: 39.99.151.82. It's worth noting that the target IP may vary depending on when the challenge environment is instantiated, though the internal network addressing remains consistent across deployments.Phase 1: ...