ET MALWARE Konni RAT Querying CnC for Commands

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?name=";
content:"&prefix=tt"; endswith; fast_pattern;
Raw source ET MALWARE Konni RAT Querying CnC for Commands · 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 Konni RAT Querying CnC for Commands";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?name=";
    content:"&prefix=tt"; endswith; fast_pattern;
    reference:url,blog.malwarebytes.com/threat-intelligence/2021/08/new-variant-of-konni-malware-used-in-campaign-targetting-russia/;
    classtype:trojan-activity;
    sid:2033794; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_08_25, deployment Perimeter, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_25;
)

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