alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/Syndicasec.Backdoor Client POST CMD result"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php?cstype="; content:"&authname="; distance:0; content:"&authpass="; fast_pattern; distance:0; content:"&hostname="; distance:0; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; classtype:trojan-activity; sid:2014795; rev:4; metadata:created_at 2012_05_22, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_27;)