New Windows RAT Evades Detection for Weeks Using Corrupted DOS and PE Headers

Cybersecurity researchers have taken the wraps off an unusual cyber attack that leveraged malware with corrupted DOS and PE headers, according to new findings from Fortinet.
The DOS (Disk Operating System) and PE (Portable Executable) headers are essential parts of a Windows PE file, providing information about the executable.
While the DOS header makes the executable file backward compatible

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