ET MALWARE Outbound POST Request with ps PowerShell Command Output

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"|48 61 6e 64 6c 65 73 20 20 4e 50 4d 28 4b 29 20 20 20 20 50 4d 28 4b 29 20 20 20 20 20 20 57 53 28 4b 29|"; fast_pattern;
Raw source ET MALWARE Outbound POST Request with ps PowerShell Command Output · 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Outbound POST Request with ps PowerShell Command Output";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"|48 61 6e 64 6c 65 73 20 20 4e 50 4d 28 4b 29 20 20 20 20 50 4d 28 4b 29 20 20 20 20 20 20 57 53 28 4b 29|"; fast_pattern;
    reference:url,attack.mitre.org/techniques/T1057/;
    reference:url,attack.mitre.org/techniques/T1086/;
    classtype:trojan-activity;
    sid:2027210; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_04_16, performance_impact Low, confidence High, signature_severity Major, tag T1086, tag T1057, updated_at 2020_09_01;
)

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