.text:00401C00 securinets-quals-2026 Reverse Engineering

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Securinets CTF Quals

The 2026 edition of the online Jeopardy CTF by Securinets INSAT, with 1074 registered teams. Current weight: 96.18.

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Revenant

Two-layer ELF. A GPU-backed Vulkan packer drops an inner binary that swaps its own checker at runtime via .init_array. Anti-debug, AI bait, font-based honeypot, and a custom ChaCha20 round trip.

  • rev
  • elf
  • anti-debug
  • custom-crypto
  • packer
  • gpu

Letmethink

A password-checking Go binary that unpacks itself in memory and validates your input inside a custom VM bytecode interpreter.

  • rev
  • elf
  • go
  • vm
  • anti-debug
  • syscalls