ET MALWARE Bitter Elephant APT Related Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?id=";
content:"|3b|timeout"; distance:0; endswith; fast_pattern;
http.header_names;
content:!"Referer";
content:"|0d 0a|Host|0d 0a|Proxy-Connection|0d 0a|Upgrade-Insecure-Requests|0d 0a|";
target:src_ip;
Raw source ET MALWARE Bitter Elephant APT Related Activity (GET) · 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 MALWARE Bitter Elephant APT Related Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?id=";
    content:"|3b|timeout"; distance:0; endswith; fast_pattern;
    http.header_names;
    content:!"Referer";
    content:"|0d 0a|Host|0d 0a|Proxy-Connection|0d 0a|Upgrade-Insecure-Requests|0d 0a|";
    reference:md5,ba068724f569d98d56fcfb473449c8df;
    reference:url,twitter.com/suyog41/status/1640346154205343747;
    classtype:trojan-activity;
    sid:2044833; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_03_30, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_30;
    target:src_ip;
)

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