Monday at 03:15 PM4 days Moderator Essentially, if an attacker can obtain a Net-NTLMv1 hash without Extended Session Security (ESS) for the known plaintext of 1122334455667788, a cryptographic attack, referred to as a known plaintext attack (KPA), can be applied. This guarantees recovery of the key material used. Since the key material is the password hash of the authenticating Active Directory (AD) object—user or computer—the attack results can quickly be used to compromise the object, often leading to privilege escalation.Rainbow tables for NTLMV1 can be downloaded at around 200gb in blocks of 2.1gbInfo. rainbow.txt
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