Rule History

SID: 2027177 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Apr 10, 2019, 12:00 PM

Message:

ET POLICY Command Shell Activity Over SMB - Possible Lateral Movement

Rule:

alert tcp any any -> $HOME_NET 445 (msg:"ET POLICY Command Shell Activity Over SMB - Possible Lateral Movement"; flow:established,to_server; content:"SMB"; depth:8; content:"|00|c|00|m|00|d|00 20 00|"; nocase; distance:0; classtype:bad-unknown; sid:2027177; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_04_10, deployment Internal, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Apr 10, 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