alert tcp any any -> $HOME_NET 445 (msg:"ET MALWARE Mimikatz x64 Mimidrv.sys File Transfer Over SMB"; flow:established,to_server; flowbits:isset,ET.smb.binary; content:"|88 01 00 00 3c 04 00 00 40 00 00 00|"; content:"|e8 02 00 00 f8 02 00 00 40 00 00 00|"; within:16; reference:url,github.com/gentilkiwi/mimikatz; classtype:trojan-activity; sid:2029333; 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;)