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This rule detects attempts to re-enable the deprecated SMBv1 protocol, which may be exploited for lateral movement or to take advantage of legacy vulnerabilities.
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This rule detects attempts to re-enable the deprecated SMBv1 protocol, which may be exploited for lateral movement or to take advantage of legacy vulnerabilities.
Summary of the Pull Request
This PR introduces a new detection rule:
proc_creation_win_insecure_smbv1_enablement.yml.It detects attempts to re-enable the obsolete and deprecated SMBv1 protocol via PowerShell cmdlets (
Set-SmbServerConfiguration,Enable-WindowsOptionalFeature), DISM utility, or Service Control Manager. Adversaries and ransomware operators may re-enable SMBv1 on hardened endpoints to facilitate lateral movement or exploit legacy SMB vulnerabilities (such as EternalBlue).Changelog
new: Insecure SMBv1 Protocol Enablement
Example Log Event
N/A (New rule submission)
Fixed Issues
N/A
SigmaHQ Rule Creation Conventions