ET MALWARE ArtraDownloader/TeleRAT Checkin

Query · suricata

flow:to_server,established;
http.uri;
content:".php?a=";
content:"&b="; distance:0;
content:"&c="; distance:0;
content:"Windows|20|"; distance:0; fast_pattern;
content:"&d="; distance:0;
content:"&e="; distance:0;
http.header_names;
content:!"User-Agent";
content:!"Referer";
Raw source ET MALWARE ArtraDownloader/TeleRAT Checkin · 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 ArtraDownloader/TeleRAT Checkin";
    flow:to_server,established;
    http.uri;
    content:".php?a=";
    content:"&b="; distance:0;
    content:"&c="; distance:0;
    content:"Windows|20|"; distance:0; fast_pattern;
    content:"&d="; distance:0;
    content:"&e="; distance:0;
    http.header_names;
    content:!"User-Agent";
    content:!"Referer";
    reference:md5,a1bdb1889d960e424920e57366662a59;
    classtype:command-and-control;
    sid:2026641; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_11_21, deployment Perimeter, malware_family RAT, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_27;
)

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