ET INFO RealThinClient Outbound Communication

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/$rdgate?ACTION="; depth:16; fast_pattern;
http.header;
content:"HOST|3a|"; nocase;
http.header_names;
content:!"Accept";
content:!"User-Agent|0d 0a|";
content:!"Referer|0d 0a|";
Raw source ET INFO RealThinClient Outbound Communication · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET INFO RealThinClient Outbound Communication";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/$rdgate?ACTION="; depth:16; fast_pattern;
    http.header;
    content:"HOST|3a|"; nocase;
    http.header_names;
    content:!"Accept";
    content:!"User-Agent|0d 0a|";
    content:!"Referer|0d 0a|";
    reference:md5,e6fe6b5f943a45018d2d0da4357cfe6d;
    reference:url,rtc.teppi.net;
    classtype:bad-unknown;
    sid:2036704; rev:5;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_09_24, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_09;
)

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