ET MALWARE Windows dir Microsoft Windows DOS prompt command exit OUTBOUND

Query · suricata

flow:established,to_server;
content:"<DIR>";
content:"File(s)"; distance:0;
content:"Dir(s)";
content:"bytes free"; fast_pattern; distance:0;
Raw source ET MALWARE Windows dir Microsoft Windows DOS prompt command exit OUTBOUND · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Windows dir Microsoft Windows DOS prompt command exit OUTBOUND";
    flow:established,to_server;
    content:"<DIR>";
    content:"File(s)"; distance:0;
    content:"Dir(s)";
    content:"bytes free"; fast_pattern; distance:0;
    classtype:trojan-activity;
    sid:2023205; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_09_14, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2019_07_26;
)

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