Challenge list
General SkillsLevel 5★★★★★Pivoting - Multi-Tier Network Penetration
Analyze the prerecorded artifacts/pivot/topology.json without creating routes, tunnels, proxies, or remote services.…
General SkillsLevel 5★★★★★Fuzzing Basics - 0-day Discovery
Analyze the prerecorded crash set without running a fuzzer or target binary. artifacts/fuzzing/triage.csv lists each…
Digital ForensicsLevel 5★★★★★Detect Process Hollowing Attack
From the memory of a Windows host, the process list `process_list.txt` (the PEB view), the VAD list `vad_regions.txt`…
Digital ForensicsLevel 5★★★★★Detect Tampered Timestamps
`/challenge/mft_timeline.csv` is a timeline exported from the NTFS `$MFT`. It has the `$STANDARD_INFORMATION` (SI) and…
Digital ForensicsLevel 5★★★★★Decrypt Encrypted iOS Backup
Verify the password of an encrypted iOS backup with a safe iTunes metadata fixture. No real iPhone or backup is used.…
CryptographyLevel 5★★★★★Cryptanalysis - RSA e=3 Broadcast Attack
broadcast.json contains the same plaintext encrypted with unpadded RSA e=3 under three pairwise-coprime moduli.…
Digital ForensicsLevel 5★★★★★Create Memory Profile for Unknown Linux Kernel
Analyze `/home/ctfuser/evidence/custom_kernel.dump`, part of the physical memory of a server running an in-house…
Digital ForensicsLevel 5★★★★★Decode Custom Protocol C&C Communication
The egress proxy recorded the traffic of the compromised endpoint 10.20.4.88. In `/challenge/beacon.log`, each line is…