alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Win32/SaintStealer Data Exfiltration Attempt M1"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:12; content:"/receive.php"; http.header_names; to_lowercase; content:!"|0d 0a|user-agent|0d 0a|"; content:!"|0d 0a|referer|0d 0a|"; http.request_body; content:"PK|03 04|"; content:"|00 00 00|"; distance:1; content:"enshot.jpg"; distance:20; within:300; content:"Information.txt"; fast_pattern; distance:0; reference:md5,1604e24ee77201e5264bcd4d8327499e; classtype:trojan-activity; sid:2039008; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_09_27, deployment Perimeter, former_category MALWARE, malware_family SaintStealer, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_18, reviewed_at 2024_09_18;)