alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED GO/Titan Stealer Data Exfiltration Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/sendlog"; bsize:8; http.header; content:"Userid|3a 20|"; fast_pattern; http.request_body; content:"B64=UEs"; startswith; reference:md5,82040e02a2c16b12957659e1356a5e19; classtype:trojan-activity; sid:2039778; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_11_14, deployment Perimeter, former_category MALWARE, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_04_17, reviewed_at 2025_04_17;)