reversehard
Kitchen Sink
tamuctf
Task: x86-64 binary with nested RISC-V VM, fork/ptrace anti-debug, and decoy flags. Solution: Identified Walsh-Hadamard Transform in flag verification, inverted WHT to recover flag.
$ ls tags/ techniques/
walsh_hadamard_transforminverse_whtpopcount_sign_computationfork_ptrace_bypassnested_vm_analysis
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