Cyber Risks · Cisco Talos

Detecting Obfuscated Malicious Java Script with Snort and Razorback

Summary: At the Hackers 2 Hackers Conference in Sao Paulo, Brazil, a Cisco Talos researcher presented "Detecting Obfuscated Malicious JavaScript with Snort and Razorback," describing a concept built on language-based anomaly detection. The goal is to train a computer, in the form of a Razorback module, to recognize malicious JavaScript the way an experienced analyst or JavaScript programmer does at a glance.

What you should know: The approach targets obfuscated JavaScript, which an analyst can spot immediately but which automated tooling has to be taught to see; the author said he hoped to have functioning source code online at labs.snort.org/razorback/ by the end of 2010.

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Topics
Malware
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