alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/PointOfSales.Misc CnC Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".exe?"; pcre:"/^\d{5,}$/R"; http.user_agent; content:"Browser"; depth:7; reference:url,www.alienvault.com/open-threat-exchange/blog/botnet-bruteforcing-point-of-sale-via-remote-desktop/; classtype:command-and-control; sid:2018250; rev:4; metadata:created_at 2014_03_11, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_28;)