alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE CenterPOS CnC"; flow:established,to_server; flowbits:set,ET.centerpos; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"mode="; depth:5; nocase; content:"&uid="; nocase; distance:0; content:"&osname="; nocase; distance:0; content:"&compname="; nocase; distance:0; fast_pattern; reference:md5,0e278436fb49f9ab0d1a3da792cfb0c3; reference:url,www.fireeye.com/blog/threat-research/2016/01/centerpos_an_evolvi.html; classtype:command-and-control; sid:2022469; rev:4; metadata:created_at 2016_01_29, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_28;)