alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET REMOTE_ACCESS NetSupport Remote Admin Checkin"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"NetSupport Manager"; startswith; fast_pattern; http.content_type; content:"application/x-www-form-urlencoded"; http.header_names; to_lowercase; content:!"|0d 0a|accept"; content:!"|0d 0a|referer|0d 0a|"; reference:md5,54c0e7593d94c03a2b7909e6a459ce14; classtype:misc-activity; sid:2035892; rev:8; metadata:created_at 2015_08_27, deployment Perimeter, former_category INFO, signature_severity Informational, tag RemoteAccessTool, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_06_27;)