Note: picture3.bmp is usually the one containing the payload.
tftp.pcapng (The .rar is found inside this capture). 🛠️ Step-by-Step Solution 1. Extract the Files
"TFTPADRESSSTRATAGEMSKIPPED" → Decodes to: TFTP ADRESS STRATAGEM SKIPPED 24500.rar
This will output a file (often named flag.txt ) containing the flag: picoCTF{h1dd3n_1n_pLa1n_51GHT_183759ad}
The file program.deb is a Debian package. If you inspect it, you'll find it installs , a popular tool for hiding data in images. 4. Crack the Password Note: picture3
Open the tftp.pcapng file in . Go to: File > Export Objects > TFTP... You will see several files being transferred: instructions.txt plan program.deb picture1.bmp , picture2.bmp , picture3.bmp 2. Decode the Hints The text files are encoded using ROT13 :
If you are working on a different version of this file, let me know: Did you get this from a or a malware sandbox ? Do you have the original .pcap file? Are you stuck on a specific error while extracting? Crack the Password Open the tftp
The hint "DUEDILIGENCE" from the plan file is the . 5. Extract the Flag Apply steghide to the exported images using the passphrase: steghide extract -sf picture3.bmp -p DUEDILIGENCE Use code with caution. Copied to clipboard