alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Delf/Troxen/Zema Reporting 1"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:".php?m="; content:"&s="; content:"&v="; pcre:"/\.php\?m=[A-F0-9]{2}-[A-F0-9]{2}-[A-F0-9]{2}-[A-F0-9]{2}-[A-F0-9]{2}-[A-F0-9]{2}&[vs]=/i"; http.user_agent; content:"build"; fast_pattern; startswith; reference:md5,3d18363a20882bd74ae7e0f68d3ed8ef; classtype:trojan-activity; sid:2014114; rev:5; metadata:created_at 2012_01_12, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_16;)