alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE LDPinch Checkin (3)"; flow:established,to_server; content:"a="; content:"&b=Passes from"; distance:0; content:"&c="; distance:0; classtype:command-and-control; sid:2007862; rev:11; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2019_07_26;)