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Dissecting Latest Kelihos Peer Exchange Communication

18

Jul

2013

StoryAround the end of June, I found a new Kelihos binary that was being pushed to all the proxy peers from Kelihos’ job servers. At that time, I assumed the binary was just a typical bug fix build. But on July 14th, my Kelihos tracker stopped getting new peers. I then realized the update in […]

Category Security Written by Fortinet Blog 0 Comments

Analysis of a self-debugging Sirefef cryptor

29

May

2013

Recently I wrote a blog post about a legitimate website spreading Sirefef malware. Then I continued with a deeper analysis and noticed that it uses an interesting cryptor.Malware authors spread many new variants of malware every day. These variants often look completely different at the first glance. That’s why regular updates of your antivirus is […]

Category General Written by Avast! blog 0 Comments

Quickpost: Disassociating the Key From a TrueCrypt System Disk

10

Feb

2012

TrueCrypt allows for full disk encryption of a system disk. I use it on my Windows machines.You probably know that the TrueCrypt password you type is not the key. But it is, simply put, used to decrypt the master key that is in the volume header.On a system drive, the volume header is stored in […]

Category Security Written by Didier Stevens 0 Comments

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Posts Tagged ‘random data’

Dissecting Latest Kelihos Peer Exchange Communication

Analysis of a self-debugging Sirefef cryptor

Quickpost: Disassociating the Key From a TrueCrypt System Disk

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