Rule History

SID: 2027202 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 1 • Apr 16, 2019, 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|.|00|e|00|x|00|e|00|"; nocase; distance:0; classtype:trojan-activity; sid:2027202; rev:1; metadata:created_at 2019_04_16, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Apr 16, 2019, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 24, 2025, 8:37 PM

Filename:

rules/emerging-policy.rules