: ExecStart=/usr/bin/python3 -c 'import base64; exec(base64.b64decode("..."))'
The archive is typically protected with the standard CTF password: hackthebox . : 7z x 54623.rar 54623.rar
: Copy the encoded string and decode it using a tool like CyberChef or the terminal: echo "ENCODED_STRING" | base64 -d Use code with caution. Copied to clipboard 4. Retrieving the Flag : ExecStart=/usr/bin/python3 -c 'import base64; exec(base64
: Once extracted, you will find a directory structure mimicking a Linux root filesystem. The focus is usually on common persistence locations like cron jobs, systemd services, or shell profiles ( .bashrc ). 2. Identifying the Persistence Mechanism Retrieving the Flag : Once extracted, you will
: 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
Decoding the payload reveals a script that communicates with a remote server or simply contains the flag in a mangled format.