ET INFO RealThinClient Session Init

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"?ACTION=HELLO"; distance:0; fast_pattern;
http.host;
content:!"nanosystems.it";
http.header_names;
content:!"User-Agent";
content:!"Referer";
content:!"Accept-";
Raw source ET INFO RealThinClient Session Init · 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 Session Init";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"?ACTION=HELLO"; distance:0; fast_pattern;
    http.host;
    content:!"nanosystems.it";
    http.header_names;
    content:!"User-Agent";
    content:!"Referer";
    content:!"Accept-";
    reference:url,www.fireeye.com/blog/threat-research/2015/12/latentbot_trace_me.html;
    reference:md5,7553a383bbdee93624e8208dad686c5a;
    reference:url,rtc.teppi.net;
    classtype:bad-unknown;
    sid:2036705; rev:11;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_08_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_08_27;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.