alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET INFO NetSupport Remote Admin Response";
flow:established,from_server;
http.stat_code;
content:"200";
http.content_type;
content:"application/x-www-form-urlencoded";
http.server;
content:"NetSupport Gateway"; fast_pattern; startswith;
reference:md5,54c0e7593d94c03a2b7909e6a459ce14;
classtype:misc-activity;
sid:2035895; rev:6;
metadata:attack_target Client_Endpoint, created_at 2015_08_27, deployment Perimeter, confidence High, signature_severity Informational, tag RemoteAccessTool, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_20;
)