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Here is the place where I record some tactics about wargame, systems, and other security issues.


DRG - FIRST 2013 Challenge - Trivia 300


Trivia 300

A well known weakness in a class of cryptographic functions that was largely theoretical was recently seen in the wild for the first time. What piece of malware used this weakness?

  1. flame

The Flame malware successfully used a new variation of a chosen-prefix collision attack to spoof code signing of its components by a Microsoft root certificate that still used the compromised MD5 algorithm.

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