Rule History

SID: 2025719 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Jul 17, 2018, 12:00 PM

Message:

ET POLICY Powershell Activity Over SMB - Likely Lateral Movement

Rule:

alert smb any any -> $HOME_NET 445 (msg:"ET POLICY Powershell Activity Over SMB - Likely Lateral Movement"; flow:established,to_server; content:"SMB"; depth:8; content:"|00|p|00|o|00|w|00|e|00|r|00|s|00|h|00|e|00|l|00|l|00 20 00|"; nocase; distance:0; fast_pattern; classtype:trojan-activity; sid:2025719; rev:3; metadata:attack_target SMB_Client, created_at 2018_07_17, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, updated_at 2019_07_26;)

Created:

Jul 17, 2018, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-policy.rules