...: File: Space.invaders.extreme.zip

: Run strings on the zip and any extracted binaries. Look for readable text, URLs, or base64-encoded strings that might be the flag.

: Generate MD5 or SHA-256 hashes ( sha256sum Space.Invaders.Extreme.zip ) to ensure the file hasn't been tampered with and to check against known databases like VirusTotal . 2. Archive Inspection File: Space.Invaders.Extreme.zip ...

: Use these tools to see if other files are embedded inside the extracted files. For example, a PNG file might actually have a ZIP appended to the end of it. : Run strings on the zip and any extracted binaries