Use a tool like 7z l pill01.7z (list command) to view internal file names without extracting them. Look for: .exe , .dll , .vbs , or .ps1 files.
Does it attempt to write to Registry keys or Startup folders? Recommendations
Often used for data exfiltration, malware staging, or distributing "cracked" software. Risk Level: Undetermined (Requires sandbox execution) Investigative Steps & Methodology 1. Static Analysis (Safe Environment)
Check the hex headers. A legitimate .7z file starts with the signature 37 7A BC AF 27 1C . 2. Archive Content Review