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;)