ET MALWARE Generic CMD Remote Shell

Query · suricata

flow:established,to_server;
content:"|00 00 00 13|CMD session opened|2e 00 00 00 01 00 00 00|qMicrosoft Windows"; startswith; fast_pattern;
Raw source ET MALWARE Generic CMD Remote Shell · 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 Generic CMD Remote Shell";
    flow:established,to_server;
    content:"|00 00 00 13|CMD session opened|2e 00 00 00 01 00 00 00|qMicrosoft Windows"; startswith; fast_pattern;
    reference:md5,38e3ff2c1ad395cc854e2b620adc1a0f;
    classtype:trojan-activity;
    sid:2037255; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_01, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_01;
)

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