alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Spy.Socelars.S CnC Activity M3"; flow:established,to_server; http.request_line; content:"POST|20|/base/api/getData.php|20|HTTP/1.1"; startswith; fast_pattern; http.request_body; content:"data="; startswith; isdataat:50,relative; http.header_names; content:!"Referer"; reference:md5,064f0d6900675bed580da1291a566cfa; classtype:trojan-activity; sid:2034192; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_20, deployment Perimeter, deprecation_reason Age, malware_family Win32_Spy_Socelars_S, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_08, reviewed_at 2024_03_08;)