Run strings RB01.7z to look for human-readable text that might be visible without extracting, such as hardcoded keys or developer comments. Common Scenarios for "RB01"
Calculate the SHA256 hash ( sha256sum RB01.7z ) to verify integrity and check against databases like VirusTotal . RB01.7z
Extract the contents using 7z x RB01.7z . If prompted for a password, common CTF defaults include password , infected , or the name of the event. Contents & Structure Run strings RB01
Based on the file extension , RB01.7z is a compressed archive created using 7-Zip . The name "RB01" often appears in technical contexts as a shorthand for Root-Bridge , Rollback , or Release-Build . If prompted for a password, common CTF defaults
Check for common files inside like flag.txt , binary executables, or disk images.
Often represents a "Reversing" or "Binary" challenge (Level 1). You may need to decompile an enclosed .exe or .elf file using tools like Ghidra .