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Evil MSI Background: BASE64 Statistical Analysis, (Mon, Jun 15th)

Medium
Image: SANS Internet Storm Center
Summary

This report details the analysis of the "Evil MSI Background" file, a suspicious JPEG containing a hidden payload. The analysis, conducted by Didier Stevens, utilized tools like `byte-stats.py` and `base64dump.py` to uncover a custom BASE64 encoding scheme, ultimately revealing a reversed PE executable. The investigation highlights the importance of statistical analysis and reverse engineering techniques when dealing with obfuscated malware.

Read the full article at SANS Internet Storm Center

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