SID 1:47912

Rule Category

FILE-IMAGE -- Snort detected suspicious traffic targeting vulnerabilities found inside images files, regardless of delivery method, targeted software, or image type. (Examples include: jpg, png, gif, bmp). These rules search for malformed images used to exploit system. Attackers alter image attributes, often to include shell code, so they are susceptible to vulnerabilities when they are parsed and send commands instead of loading the image.

Alert Message

FILE-IMAGE Adobe Acrobat Reader EMF file JPEG Huffman table heap overflow attempt

Rule Explanation

This event is generated when heap overflow is attempted in Adobe Acrobat via malformed Huffman table that is part of JPEG image inside EMF file Impact: Attempted User Privilege Gain Details: Ease of Attack:

What To Look For

No information provided

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group