alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE [PTsecurity] Win32/Spy.RTM/Redaman IP Check"; flow:established, to_server; http.method; content:"GET"; http.uri; content:"/index_small.php"; fast_pattern; endswith; http.header; content:"Cache-Control|3a 20|no-cache"; depth:24; content:"Connection|3a 20|Close"; within:19; content:"Pragma|3a 20|no-cache"; within:18; content:"Accept|3a 20|text/html, application/xhtml+xml, */*"; within:47; content:"Accept-Language|3a 20|en-US"; within:24; content:"Host|3a 20|"; within:8; isdataat:!35,relative; http.header_names; content:!"Referer|0d 0a|"; content:!"User-Agent|0d 0a|"; classtype:trojan-activity; sid:2027025; rev:3; metadata:created_at 2019_03_04, malware_family Win32_Spy_RTM_Redaman, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_27;)