Inside, you might find a binary ( .exe , .elf ), a script ( .py , .ps1 ), or another nested archive. 3. Forensic Analysis
Use tools like Ghidra or IDA Pro to reverse-engineer the code and find the "user-friendly" (often sarcastic) functionality.
Upon receiving a file like user-friendly_tool.7z , the first step is to verify its true nature.
Running strings on the original .7z file to find plaintext passwords.
Run binwalk -e user-friendly_tool.7z to check for hidden files or appended data within the archive headers.