Digital forensics.
Lunar CTF's SHATTERED ORACLE is a multi-stage crypto chain. The handout publishes 12 secp256k1 signatures whose nonces leak 40 bits (MSB- or LSB-truncated), a transcript of…
The phantom_eclipse forensics challenge ships an evidence bundle (evidence/): a .ECL container (artifact.dat) of fourteen sec_NNNN sections, a notes.jpg, a suspicious_image.png carrying…
mirror is a pwn challenge shipped as a PIE x86-64 ELF served over socat (handout/mirror/ Dockerfile EXPOSE 1337). The binary stores records in a global session structure with two record…
A PNG image (case_evidence.png) containing multiple layers of hidden data.
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