alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE [PTsecurity] Trojan.JS.Agent.dwz Checkin 2"; flow:established,to_server; http.method; content:"POST"; http.accept; content:"*/*"; startswith; http.content_type; content:"application/x-www-form-urlencoded"; startswith; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|Windows NT 6.1|3b|"; startswith; http.header; content:"auth255|3a 20|login"; fast_pattern; http.accept_enc; content:"gzip, deflate"; startswith; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; content:"|0d 0a|Accept|0d 0a|"; content:"|0d 0a|Accept-Language|0d 0a|"; distance:-2; content:"|0d 0a|auth255|0d 0a|"; distance:-2; content:"|0d 0a|Content-Type|0d 0a|"; distance:-2; content:"|0d 0a|Accept-Encoding|0d 0a|"; distance:-2; content:"|0d 0a|User-Agent|0d 0a|"; distance:-2; http.request_body; content:"a="; depth:2; pcre:"/^(?:[a-f0-9]{2}){23,60}$/R"; classtype:command-and-control; sid:2025530; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_23, deployment Perimeter, confidence High, signature_severity Major, updated_at 2024_03_11;)