: Verify the file is a true ZIP archive by checking for the header signature 50 4B 03 04 .
Before opening the file, use non-execution methods to gather metadata.
: .ps1 , .bat , or .js files which may be used as infection vectors. vypisHodnot.zip
: Generate MD5, SHA-1, and SHA-256 hashes to check against threat intelligence platforms like VirusTotal .
: Text or CSV files that might contain the "values" mentioned in the filename. 2. Forensic Examination : Verify the file is a true ZIP
: Use commands like unzip -l vypisHodnot.zip to see the internal file structure without extracting. Look for: Executables : .exe , .dll , or .bin files.
If the archive is corrupted or password-protected, use forensic tools. : Generate MD5, SHA-1, and SHA-256 hashes to
Forensically Analyzing ZIP & Compressed Files | by Josh Lemon