Extract the hidden flag or identify the malicious artifact within the compressed archive. 1. Initial Triaging
"The flag was hidden in the LSB (Least Significant Bit) of the Seaside.jpg image. Using stegsolve , the flag became visible in the Blue Plane 0." 4. Final Flag FLAG{Seas1de_Dr1v1ng_Success} Tools Used 7-Zip / Unrar: Extraction. Exiftool: Metadata analysis. CyberChef: Decoding Base64/Hex/Rot13 strings. StegSolve / Binwalk: Discovering hidden data in files.
Running strings on the extracted files to look for "CTF{" or suspicious URLs.
Checking EXIF data of the image using exiftool to find coordinates or hidden comments.
If a binary was included, explain the behavior observed in a sandbox or debugger (e.g., X64dbg, Ghidra). 3. Flag Recovery
The first step involves verifying the file integrity and identifying the archive contents without full execution. MD5: [Insert Hash] SHA-256: [Insert Hash]
If the RAR was encrypted, describe how the password was found (e.g., rockyou.txt wordlist, hint in metadata, or brute force). Static Analysis:
