Posts Tagged ‘Virut’

Snapshot of Virut Botnet After Interruption

Jan

2013

In the past, we have written about the file infector known as W32.Virut. We have even provided insight into trying to shut the botnet down. Due to a recent judicial proceeding causing a temporary outage of the Virut command-and-control (C&C) server domains, we were able to gather information on the size and demographics of the […]

Category General Written by Symantec Security Response Blog 0 Comments

W32.Virut: Using Cryptography to Prevent Domain Hijacking

Aug

2011

W32.Virut is a Windows file infector that’s been around since 2006. It usually makes the top 10 in threat charts and therefore deserves regular scrutiny. Analysis of recent variants show that changes were made to strengthen the communication protocol between the bots and the command and control server to prevent blacklisting, sinkholing, and hijacking of […]

Category General Written by Symantec Security Response Blog 0 Comments

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Posts Tagged ‘Virut’

Snapshot of Virut Botnet After Interruption

W32.Virut: Using Cryptography to Prevent Domain Hijacking

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