Rule History

alert tcp any any -> $HOME_NET 445 (msg:"ET POLICY Powershell Command With Execution Bypass Argument Over SMB - Likely Lateral Movement"; flow:established,to_server; content:"SMB"; depth:8; content:"powershell"; nocase; distance:0; content:"exec"; nocase; distance:0; content:"bypass"; nocase; within:18; classtype:bad-unknown; sid:2027171; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_04_10, deployment Perimeter, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1570, mitre_technique_name Lateral_Tool_Transfer;)