✅ Treat all unexpected ZIP archives as potentially malicious ✅ Use command-line tools for safe inspection ✅ Never trust based on filename alone ✅ Automate hash checks vs. VirusTotal or local YARA rules
clamscan --detect-pua=yes 5toxica816xzip.work Use zipinfo or unzip -l : 5toxica816xzip work
| Tool | Purpose | |------|---------| | | View archive without extraction | | oleid | Detect macros in Office files inside ZIP | | pecheck | Analyze EXE/DLL inside ZIP | | VirusTotal CLI | Hash-based scanning | | CAPE Sandbox | Dynamic analysis of extracted files | ✅ Treat all unexpected ZIP archives as potentially
unzip -l 5toxica816xzip.work Look for suspicious filenames: .js , .vbs , .ps1 , .jar , .docm , .xlsm . If analysis shows no immediate threats and the environment is isolated: Extraction command (safe mode – no execution) unzip -q 5toxica816xzip.work -d extraction_dir/ After extraction, run: 5toxica816xzip work