ET MALWARE Win32/RedEnergy System Information Retrieval Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.user_agent;
content:"User|3a 20|"; fast_pattern; startswith;
content:"|20|AV|3a 20|"; distance:0;
content:"|20|STM|3a 20|"; distance:0;
content:"|20|RSM|3a 20|"; distance:4;
content:"|20|RZ|3a 20|"; distance:4;
target:src_ip;
Raw source ET MALWARE Win32/RedEnergy System Information Retrieval Attempt · 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/RedEnergy System Information Retrieval Attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.user_agent;
    content:"User|3a 20|"; fast_pattern; startswith;
    content:"|20|AV|3a 20|"; distance:0;
    content:"|20|STM|3a 20|"; distance:0;
    content:"|20|RSM|3a 20|"; distance:4;
    content:"|20|RZ|3a 20|"; distance:4;
    reference:url,www.zscaler.com/blogs/security-research/ransomware-redefined-redenergy-stealer-ransomware-attacks;
    reference:md5,642dbe8b752b0dc735e9422d903e0e97;
    classtype:trojan-activity;
    sid:2046626; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_06_22, deployment Perimeter, deployment SSLDecrypt, malware_family RedEnergy, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_22;
    target:src_ip;
)

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