alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Uroburos/Turla CnC (OUTBOUND) 2"; flow:established,to_server; http.uri; content:"/default.asp?act="; fast_pattern; content:"&id="; content:"&item="; distance:0; content:"&cln="; distance:0; content:"&flt="; distance:0; content:"&serv="; distance:0; content:"&t="; distance:0; content:"&mode="; distance:0; content:"&lang="; distance:0; content:"&date="; distance:0; reference:url,circl.lu/pub/tr-25/; classtype:command-and-control; sid:2018670; rev:5; metadata:created_at 2014_07_12, signature_severity Major, updated_at 2020_09_24;)