ET RETIRED GCleaner Payload Retrieval Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"|2f|default|2f|puk|2e|php"; fast_pattern; bsize:16;
http.header_names;
content:"|0d 0a|Accept|0d 0a|Accept|2d|Language|0d 0a|Accept|2d|Charset|0d 0a|Accept|2d|Encoding|0d 0a|User|2d|Agent|0d 0a|Host|0d 0a|Connection|0d 0a|Cache|2d|Control|0d 0a 0d 0a|";
http.user_agent;
content:"OK"; bsize:2;
Raw source ET RETIRED GCleaner Payload Retrieval Attempt · Suricata
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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 RETIRED GCleaner Payload Retrieval Attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"|2f|default|2f|puk|2e|php"; fast_pattern; bsize:16;
    http.header_names;
    content:"|0d 0a|Accept|0d 0a|Accept|2d|Language|0d 0a|Accept|2d|Charset|0d 0a|Accept|2d|Encoding|0d 0a|User|2d|Agent|0d 0a|Host|0d 0a|Connection|0d 0a|Cache|2d|Control|0d 0a 0d 0a|";
    http.user_agent;
    content:"OK"; bsize:2;
    reference:url,tria.ge/230130-trm29acf8w;
    classtype:trojan-activity;
    sid:2044032; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2023_01_31, deployment Perimeter, former_category MALWARE, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_30, reviewed_at 2024_09_30;
)

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