alert http any any -> $HOME_NET any (msg:"ET HUNTING Base64 Encoded ipconfig In Server Response M3"; flow:established,to_client; http.response_body; content:"pcGNvbmZpZ"; fast_pattern; reference:md5,65c64c5aa55d3d78f08456cb20012fcf; classtype:unknown; sid:2036571; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_05_12, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_12;)