Rule History

alert tcp any any -> $HOME_NET 445 (msg:"ET MALWARE Mimikatz x86 Executable Transfer Over SMB"; flow:established,to_server; flowbits:isset,ET.smb.binary; content:"|89 71 04 89|"; content:"|30 8d 04 bd|"; within:7; content:"|8b 4d|"; content:"|8b 45 f4 89 75|"; distance:1; within:5; content:"|89 01 85 ff 74|"; distance:1; within:5; reference:url,github.com/gentilkiwi/mimikatz; classtype:trojan-activity; sid:2029330; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_29, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_01_29;)