ET MALWARE Win32/Gamaredon Payload Request (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".jpeg"; endswith;
pcre:"/^(?:\/[a-z]{3,4}\/[a-z]{3,8}\/\d{2}\.\d{2}\/[a-z]+\.jpeg)$/";
http.header_names;
content:"|0d 0a|Accept|0d 0a|Accept-Language|0d 0a|Accept-Encoding|0d 0a|User-Agent|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; bsize:76; fast_pattern;
http.host;
pcre:"/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/";
Raw source ET MALWARE Win32/Gamaredon 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Gamaredon Payload Request (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".jpeg"; endswith;
    pcre:"/^(?:\/[a-z]{3,4}\/[a-z]{3,8}\/\d{2}\.\d{2}\/[a-z]+\.jpeg)$/";
    http.header_names;
    content:"|0d 0a|Accept|0d 0a|Accept-Language|0d 0a|Accept-Encoding|0d 0a|User-Agent|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; bsize:76; fast_pattern;
    http.host;
    pcre:"/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/";
    reference:md5,70af922cba39f7db068f23f72d436b9d;
    reference:url,twitter.com/Cyber0verload/status/1638987820357369856;
    classtype:trojan-activity;
    sid:2044761; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_24, deployment Perimeter, malware_family Win32_Gamaredon, performance_impact Moderate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_24;
)

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