Featured image of post SUN CTF 2025: Get Clawed

SUN CTF 2025: Get Clawed

Pairing a disk image with a PCAP to spot C2-style HTTP beacons, recover the XOR key and export the hidden image from a .clawed file.

SUN CTF 2025 Forensic

Challenge : Get Clawed

Analyze a disk image and network traffic capture to uncover hidden data.

Open .pcap file find : 

Suspicious HTTP GET traffic containing ?guid= stood out — indicative of possible C2-style communication.

REFERENCE : 

https://qiaonpc.github.io/post/get-clawed/

https://warlocksmurf.github.io/posts/cyberspacectf2024/

Open disk, find sus: 

Screenshot 1

Use c2 script get link : 

Screenshot 2

https://gist.githubusercontent.com/warlocksmurf/e19b5c0d8ab85e07573203ccaa6b39ef/raw/0b3ee0b5e7bc99bbbd4f618a6e025c6d4d6e3aee/sussy

Base64 it and get what to do with .clawed :

Screenshot 3

We get the key, decrypt XOR, me can export png now :

Screenshot 4

Man see flag, man happy

Writeups are published after the CTF ends.
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