ET MALWARE ReverseLoader Style Payload Request (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/test.jpg"; fast_pattern;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|"; nocase;
content:!"|0d 0a|Accept|0d 0a|"; nocase;
content:!"|0d 0a|Connection|0d 0a|"; nocase;
http.host;
pcre:"/(github\x2eio|bitbucket\x2eorg)$/";
target:src_ip;
Raw source ET MALWARE ReverseLoader Style Payload Request (GET) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE ReverseLoader Style Payload Request (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/test.jpg"; fast_pattern;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|"; nocase;
    content:!"|0d 0a|Accept|0d 0a|"; nocase;
    content:!"|0d 0a|Connection|0d 0a|"; nocase;
    http.host;
    pcre:"/(github\x2eio|bitbucket\x2eorg)$/";
    reference:md5,b9af88a3336a71464d6d5eebd10a249e;
    classtype:trojan-activity;
    sid:2060033; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_02_11, deployment Perimeter, deployment SSLDecrypt, malware_family ReverseLoader, confidence Medium, signature_severity Major, updated_at 2025_02_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer;
    target:src_ip;
)

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