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Sid 1-46163

Message

FILE-OTHER Microsoft Windows Defender malformed RAR memory corruption attempt

Summary

This event is generated when a memory corruption attempt against Microsoft Windows Defender is observed

Impact

Potential code execution

Detailed information

This rule targets a malformed RAR archive that triggers an exploit in Microsoft Windows Defender.

Affected systems

  • Microsoft Windows

Ease of attack

False positives

False negatives

Corrective action

Contributors

  • Cisco's Talos Intelligence Group

Additional References

  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-0986