USN Journal Deletion via fsutil
highWindowsSingle eventexperimentalsigma.fsutil_usn_delete · v1.0.0
What it detects
Deleting the NTFS USN change journal — anti-forensics
MITRE ATT&CK mapping
- T1070Indicator Removal· Defense Evasion
False positives and triage
Converted from Sigma; review before enabling.
The rule
Declarative YAML read by the detection engine — data, never executed. Confidence 70%. Source: rules/sigma/sigma.fsutil_usn_delete.yaml, licensed under the Detection Rule License 1.1.
id: sigma.fsutil_usn_delete
version: 1.0.0
status: experimental
severity: high
confidence: 0.7
platforms:
- windows
mitre_techniques:
- T1070
description: Deleting the NTFS USN change journal — anti-forensics (Sigma sample)
match:
event_category: process
process_path_contains_any:
- \fsutil.exe
command_line_contains_any:
- usn deletejournal
false_positive_guidance: Converted from Sigma; review before enabling.
Adapted from the SigmaHQ rule “USN Journal Deletion via fsutil”, distributed under the Detection Rule License 1.1. SigmaHQ.
Related detections
Run this rule on your own logs — offline
KIROSEC runs this rule and the rest of the library over Windows, Linux, macOS and cloud audit logs on the analyst's own machine. Every alert links to the events that raised it, and nothing leaves the device.