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Digging Into the Nitol DDoS Botnet

20

Apr

2012

Nitol is a distributed denial of service (DDoS) botnet that seems to be small and not widely known. It mostly operates in China. McAfee Labs recently analyzed a few samples; we offer here the communications protocol and the Trojan’s capabilities.Most of the samples we encountered were not packed and were very easy to reverse engineer. […]

Category General Written by Blog Central > McAfee Labs 0 Comments

MSUpdater Trojan and link to targeted attacks

01

Feb

2012

This blog post is based on a joint report by Zscaler and Seculert (their blog post). Researchers from both companies separately identified attacks which used a remote access tool (RAT) malware that apparently targeted defense-related organizations. With joined forces, we analyzed the incidents that we observed and those published in the open-source to identify attack […]

Category Security Written by Zscaler Research 0 Comments

Analyzing malicious files for writing network signatures

11

Nov

2011

Attackers continually modify malware in order to evade antivirus software. Attackers will pack or encrypt malicious files using various packers. Blocking each and every malicious executable is a challenging task for antivirus vendors. Most malicious files, once installed, try to download additional malware or send HTTP GET/POST requests to malicious servers controlled by attackers. Malicious […]

Category Security Written by Zscaler Research 0 Comments

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Digging Into the Nitol DDoS Botnet

MSUpdater Trojan and link to targeted attacks

Analyzing malicious files for writing network signatures

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