alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Emotet Post Drop C2 Comms"; flow:established,from_server; file_data; content:"|502163174a9069e5f28277c59da7fb141ee82f8e|"; classtype:command-and-control; sid:2035042; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_09_19, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)