alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE W32/Dexter Infostealer CnC POST";
flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"page="; depth:5;
content:"&spec="; distance:0;
content:"&opt="; distance:0;
content:"var="; distance:0;
content:"val="; distance:0;
reference:url,contagiodump.blogspot.co.uk/2012/12/dexter-pos-infostealer-samples-and.html;
classtype:command-and-control;
sid:2016095; rev:3;
metadata:created_at 2012_12_28, signature_severity Major, updated_at 2020_04_22;
)