alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE JS.SocGholish CnC Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".png"; endswith; http.content_len; bsize:2; content:"15"; http.request_body; content:"0="; startswith; content:"&1="; distance:1; within:3; fast_pattern; content:"&2="; distance:3; within:3; isdataat:!4,relative; pcre:"/^(?:0\x3d\w\x261\x3d\d{3}\x262\x3d\d{3})$/"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,4fcc9569ca63cb2f5777954ac4c9290f; reference:url,twitter.com/mossdinger/status/1549327792122527745; classtype:trojan-activity; sid:2037789; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_19, deployment Perimeter, deployment SSLDecrypt, deprecation_reason Age, malware_family SocGholish, confidence High, signature_severity Major, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_30;)