• SANS Stormcast Wednesday, April 23rd: More xorsearch Updates; DKIM Replay Attack; SSL.com Vulnerability Fixed (#)

  • Apr 22 2025
  • Duración: 6 m
  • Podcast

SANS Stormcast Wednesday, April 23rd: More xorsearch Updates; DKIM Replay Attack; SSL.com Vulnerability Fixed (#)

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  • SANS Stormcast Wednesday, April 23rd: More xorsearch Updates; DKIM Replay Attack; SSL.com Vulnerability Fixed xorsearch.py: Ad Hoc YARA Rules Adhoc YARA rules allow for easy searches using command line arguments without having to write complete YARA rules for simple use cases like string and regex searches https://isc.sans.edu/diary/xorsearch.py%3A%20%22Ad%20Hoc%20YARA%20Rules%22/31856 Google Spoofed via DKIM Replay Attack DKIM replay attacks are a known issue where the attacker re-uses a prior DKIM signature. This will work as long as the headers signed by the signature are unchanged. Recently, this attack has been successful against Google. https://easydmarc.com/blog/google-spoofed-via-dkim-replay-attack-a-technical-breakdown/ SSL.com E-Mail Validation Bug SSL.com did not properly verify which domain a particular email address is authorized to receive certificates for. This could have been exploited against webmail providers. https://bugzilla.mozilla.org/show_bug.cgi?id=1961406 keywords: dmarc, dkim; google; replay; ad-hoc; yara; xorsearch
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