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Internet Explorer Zero-Day Used in Watering Hole Attack: Q&A

01

Jan

2013

In a recent blog, Symantec reported on a new Internet Explorer zero-day being actively exploited in the wild. Microsoft has since released Security Advisory 2794220 which confirms the Microsoft Internet Explorer ‘CDwnBindInfo’ Use-After-Free Remote Code Execution Vulnerability (CVE-2012-4792) is a zero-day vulnerability which affects Internet Explorer 8, Internet Explorer 7, and Internet Explorer 6.The following […]

Category General Written by Symantec Security Response Blog 0 Comments

Sharing the Experience of Deobfuscation for a Trojan Sample

14

Dec

2012

Thanks to the ThreatSeeker Network, we have discovered another interesting case of malicious web Trojan and analyzing experience. Let’s share the experience.The first step we should fix the malicious code position, in the red pane of following picture. Then we will do deobfuscating work. From this obfuscation, let me show you some interesting details about […]

Category Security Written by Websense 0 Comments

Spam Campaign Flooding Towards Blackhole Exploit Kit

14

Dec

2012

In the last few months, we have seen an increase in the volume of malicious spam. The majority of these new spam emails contain links to the Blackhole Exploit Kit.Earlier this year Symantec reported on malicious spam during tax season that lead to the Blackhole Exploit Kit. Similar attacks targeting well-known businesses occurred throughout 2012, […]

Category General Written by Symantec Security Response Blog 0 Comments

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Internet Explorer Zero-Day Used in Watering Hole Attack: Q&A

Sharing the Experience of Deobfuscation for a Trojan Sample

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