Rule History

alert tcp any any -> $HOME_NET 445 (msg:"ET POLICY Command Shell Activity Using Comspec Environmental Variable Over SMB - Very Likely Lateral Movement"; flow:established,to_server; content:"SMB"; depth:8; content:"|00|%|00|c|00|o|00|m|00|s|00|p|00|e|00|c|00|"; nocase; distance:0; classtype:bad-unknown; sid:2027179; 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 Internal, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)