ET MALWARE Win32/Aurora Stealer Sending System Information

Query · suricata

flow:established,to_server;
content:"|7b 22|Type|22 3a 22|"; startswith;
content:"|22|Type|22 3a 22|END_PACKET_ALL_SEND|22 2c 22|ENT_P|22 3a|"; distance:0; fast_pattern;
content:!"User-Agent|3a 20|";
content:!"|20|HTTP/1.";
Raw source ET MALWARE Win32/Aurora Stealer Sending System Information · 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 tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Aurora Stealer Sending System Information";
    flow:established,to_server;
    content:"|7b 22|Type|22 3a 22|"; startswith;
    content:"|22|Type|22 3a 22|END_PACKET_ALL_SEND|22 2c 22|ENT_P|22 3a|"; distance:0; fast_pattern;
    content:!"User-Agent|3a 20|";
    content:!"|20|HTTP/1.";
    reference:md5,5462d6b31356921cf1e8aa358db3f3de;
    classtype:trojan-activity;
    sid:2043203; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_01_04, deployment Perimeter, malware_family AuroraStealer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_04;
)

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