alert tcp any any -> $HOME_NET 445 (msg:"ET POLICY SMB Executable File Transfer"; flow:established,to_server; content:"SMB"; depth:8; content:"MZ"; distance:0; byte_jump:4,58,relative,little; content:"PE|00 00|"; distance:-64; within:4; flowbits:set,ET.smb.binary; classtype:bad-unknown; sid:2025699; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target SMB_Client, created_at 2018_07_16, deployment Internal, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)