Analytics BIOC Low
✕

New addition to Windows Defender exclusion list

Windows Defender keeps the exclusion list in the registry, and any addition to it will cause it to ignore a process, path or file extension.

Module:
Platform Analytics
Data source:
XDR Agent
ATT&CK tactics: Defense Evasion (TA0005)
ATT&CK techniques: Hide Artifacts: File/Path Exclusions (T1564.012) Impair Defenses: Disable or Modify Tools (T1562.001)
Attacker's goals:

Gain code execution on the host and evade security controls.

Investigative actions:

Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow. Check the excluded object type (process, path or extension) and nature. Check if the excluded object is malicious.

Test period:
N/A (single event)
Deduplication:
1 Hour
1 variation:
  • New addition to Windows Defender exclusion list from an unsigned process Medium (parent: Low)