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Cracking Passwords with Umlauts

ID: 5ee93dc3-a5ba-5f6c-87e3-e9d095317864

STIX ID: report--5ee93dc3-a5ba-5f6c-87e3-e9d095317864

Feed Name: Black Hills Infosec Blog

Date Published: 2019-10-15

Date Updated: 2026-04-27

Author: BHIS

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Demonstrates cracking a Windows NTLM password that contains German umlauts and explains why encoding matters: John the Ripper succeeds with the UTF-8 wordlist, while Hashcat requires the wordlist encoded as Windows-1252 (ANSI) or use of --hex-charset. The post provides concrete commands (iconv, hashcat, john), byte-level examples, and guidance for defining custom character sets for dictionary and brute-force attacks.

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