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Easter eggs, with a side order of scareware

05

Apr

2012

Several weeks ago, in early February, I asked the question “Is this the resurgence of Blackhat SEO?“. At the time we had seen a definite increase in the volume of search engine optimisation (SEO) attacks that we were blocking, but it was a little too early to predict whether that trend would continue.So what is […]

Category General Written by Naked Security - Sophos 0 Comments

Mediyes – the dropper with a valid signature

15

Mar

2012

In the last few days a malicious program has been discovered with a valid signature. The malware is a 32- or 64-bit dropper that is detected by Kaspersky Lab as Trojan-Dropper.Win32.Mediyes or Trojan-Dropper.Win64.Mediyes respectively. Numerous dropper files have been identified that were signed on various dates between December 2011 and 7 March 2012. In all […]

Category General Written by Securelist / Blog 0 Comments

Reversing the Wrath of Khan

07

Mar

2012

Analysis of the crypto used by the Trojan.Khan DDoS bot A recent blog post described our analysis of the crypto algorithm used by the Armageddon DDoS malware. This article continues our ongoing series on reversing the crypto mechanisms used by contemporary DDoS botnets; our guest of honor today will be a bot we have been […]

Category Security Written by Arbor Networks 0 Comments

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Easter eggs, with a side order of scareware

Mediyes – the dropper with a valid signature

Reversing the Wrath of Khan

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