ET MALWARE MSIL/Juliens Botnet CnC Activity M1

Query · suricata

flow:established,to_server;
http.start;
content:"GET /data.php?a="; startswith; fast_pattern;
content:"&b="; distance:0;
content:"HTTP/1.1|0d 0a|Authorization|3a 20|Basic|20|";
Raw source ET MALWARE MSIL/Juliens Botnet CnC Activity M1 · 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 MSIL/Juliens Botnet CnC Activity M1";
    flow:established,to_server;
    http.start;
    content:"GET /data.php?a="; startswith; fast_pattern;
    content:"&b="; distance:0;
    content:"HTTP/1.1|0d 0a|Authorization|3a 20|Basic|20|";
    reference:md5,73ed84016746f0b53889d20cbdbb6f07;
    classtype:command-and-control;
    sid:2030834; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_09_04, deployment Perimeter, malware_family MSIL_Juliens, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_04;
)

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