alert http any any -> any any (msg:"STEALER [PTsecurity] ACRStealer Exfiltration"; flow:established, to_server; content:"POST"; http_method; http.uri; content:"/Up"; fast_pattern; startswith; urilen:2<>7; http.content_type; content:"application/octet"; startswith; http.header_names; content:!"Referer"; http.request_body; content:"PK|03 04 14 00|"; startswith; pcre:"/.{24}([a-f]|\d){8}\-([a-f]|\d){4}\-([a-f]|\d){4}\-([a-f]|\d){4}\-([a-f]|\d){12}\.txt/PR"; threshold:type limit, track by_dst, count 1, seconds 180; reference:url, app.any.run/tasks/a74d0647-c3f7-44b0-b66b-bc4e7c2715c8; reference:url, rules.ptsecurity.com; classtype:trojan-activity; sid:10010039; rev:4;)