: ExecStart=/usr/bin/python3 -c 'import base64; exec(base64.b64decode("..."))'
: An attacker gained access to a server and established a way to maintain access. You are provided with a compressed archive of system files (often including /etc/ , /var/log/ , or specific configuration directories). Step-by-Step Write-up 1. Extraction and Initial Analysis
: The decoded script prints or reconstructs the flag: HTBp3rs1st3nc3_1s_th3_k3y_to_succ3ss_... . 54623.rar
In this specific challenge, the persistence is hidden within a .
: A service file (often named something innocuous like persistence.service or backup.service ) contains an ExecStart directive pointing to a suspicious script or command. 3. Decoding the Payload : ExecStart=/usr/bin/python3 -c 'import base64; exec(base64
The command in the service file typically uses a or a series of obfuscated shell commands.
The file is a password-protected archive associated with the "Persistence" challenge from the 2024 HTB (Hack The Box) Cyber Apocalypse CTF (Capture The Flag) . Challenge Overview Category : Forensics / Incident Response Extraction and Initial Analysis : The decoded script
: Look into etc/systemd/system/ for unusual service files.