Posts Tagged ‘obfuscated code’

MIDI Files – Mid-Way to Infection

Feb

2012

Microsoft’s January patch MS12-004 addressed a few vulnerabilities in Windows Media components. One particular issue, CVE-2012-0003, can be exploited via Windows Media Player ActiveX, as it leverages a heap overflow occurring in ‘midiOutPlayNextPolyEvent’ function within the Windows Multimedia Library, winmm.dll. The bad guys didn’t waste time and this vulnerability is now exploited in the wild […]

Category Security Written by M86 Security Labs Blog 0 Comments

Blackhole exploit kit continues it’s dominance

Aug

2011

Today, I was investigating a block that had been triggered on a webpage due to detection of the Blackhole exploit kit. We previously posted a blog about the rise in Blackhole exploit kit detections back in February, 2011. That blog post continues to receive comments from readers who have identified similar attacks and I regularly […]

Category Security Written by Zscaler Research 0 Comments

Manually De-obfuscating malicious contents

Jul

2011

Most of the time, malicious obfuscated JavaScript is injected at the bottom of a webpage. Obfuscation is leveraged both to hide the true purpose of the code from prying human eyes and in an attempt to bypass security scans. As a researcher, you may have to conduct a manual analysis of such JavaScript, if certain […]

Category Security Written by Zscaler Research 0 Comments

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Posts Tagged ‘obfuscated code’

MIDI Files – Mid-Way to Infection

Blackhole exploit kit continues it’s dominance

Manually De-obfuscating malicious contents

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