alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE NetSupport RAT with System Information"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"NetSupport Manager/1.3"; startswith; http.request_body; content:"CMD="; startswith; content:"CLIENT_ADDR="; distance:0; fast_pattern; content:"PORT="; distance:0; content:"MACADDRESS="; distance:0; http.header_names; to_lowercase; content:!"|0d 0a|accept"; content:!"|0d 0a|referer|0d 0a|"; reference:md5,78c80a33f77d5efd69969b5ddf93e348; classtype:trojan-activity; sid:2035894; rev:6; metadata:attack_target Client_Endpoint, created_at 2017_08_31, deployment Perimeter, malware_family NetSupport_RAT, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2024_05_01;)