Analyzing Bloated Malware - Trimming Files with a Hex Editor

Malware authors will often abuse file formats to complicate analysis and adding unnecessary data is one way to do this. This bloat can disrupt analysis and prevent these malicious files from being detected. In this video, we'll explore how malware authors add unnecessary data to PE files by using the overlay. We'll also explore how the data they choose to use compresses well and allows them to distribute relatively small archive files. We'll then use a hex-editor to remove this …

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