Into The Rainbow: Google’s NTLMv1 Rainbow Tables Explained in a Bit Too Much Detail
ID: ddde1f25-a422-5627-b80f-963f683cff0b
STIX ID: report--ddde1f25-a422-5627-b80f-963f683cff0b
Feed Name: SpecterOps Blog
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This blog explains how publicly released DES rainbow tables and supporting tooling allow operators to recover NT hashes from NTLMv1 responses by precomputing chains for a static challenge and performing lookup and verification phases; it covers the table structure, recovery workflow (precompute, lookup, check), available tools (DumpGuard, rainbowcrack forks, NTLMv1 assistant), performance metrics, and anonymity mitigations for using remote lookup services.
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