alert smb any any -> [$HOME_NET,$HTTP_SERVERS] 445 (msg:"ET POLICY Powershell Command With Encoded Argument Over SMB - Likely Lateral Movement"; flow:established,to_server; content:"SMB"; depth:8; content:"powershell"; fast_pattern; nocase; distance:0; content:"-e"; nocase; distance:0; pcre:"/^[NnCcOoDdEeMmAa^]{0,27}/R"; classtype:bad-unknown; sid:2027172; 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 High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_04_27, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1570, mitre_technique_name Lateral_Tool_Transfer;)