Suspicious Anti-Recovery Zeroing via fsutil setZeroData (via process_creation)

ATT&CK techniques

Defense Evasion → Impact

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1070.004File Deletion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
- T1490Inhibit System Recovery

What it detects

This rule detects use of fsutil setZeroData, which overwrites file regions with zeros to prevent forensic recovery, a self-delete and anti-recovery step in the 01flip Rust ransomware Windows chain. The technique destroys the original binary and data remnants after encryption to inhibit recovery and analysis.

Reporting behind it

Related detections9 linkedT1490 — drag to rearrange

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Suspicious Anti-Recovery Zeroing via fsutil setZeroData (via process_creation)

Pivot detection · T1490 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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