ET MALWARE TeleBots BCS-server User-Agent

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.user_agent;
content:"Mozilla/5.0|3b|"; fast_pattern; bsize:12;
http.header_names;
content:!"Content-Type|0d 0a|";
content:!"Referer|0d 0a|";
Raw source ET MALWARE TeleBots BCS-server User-Agent · 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 MALWARE TeleBots BCS-server User-Agent";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.user_agent;
    content:"Mozilla/5.0|3b|"; fast_pattern; bsize:12;
    http.header_names;
    content:!"Content-Type|0d 0a|";
    content:!"Referer|0d 0a|";
    reference:url,www.welivesecurity.com/2016/12/13/rise-telebots-analyzing-disruptive-killdisk-attacks/;
    classtype:trojan-activity;
    sid:2023653; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_12_15, deployment Perimeter, malware_family TeleBots_payload, confidence High, signature_severity Major, updated_at 2020_08_04;
)

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