Malicious Firewall Disable via netsh by Key Group Ransomware

ATT&CK techniques

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects netsh disabling the Windows firewall for all profiles, a defense-evasion action performed by Key Group ransomware to weaken host protections before impact. Turning off the firewall across all profiles is rarely legitimate on production endpoints and precedes further malicious activity.

Reporting behind it

Related detections9 linkedT1685 — drag to rearrange

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Malicious Firewall Disable via netsh by Key Group Ransomware

Pivot detection · T1685 · 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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