alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Mimikatz x64 Mimidrv.sys Download Over HTTP"; flow:established,to_client; file.data; content:"MZ"; within:2; content:"|88 01 00 00 3c 04 00 00 40 00 00 00|"; distance:0; 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:2029337; rev:4; 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 High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_14;)