ET EXPLOIT Possible ETERNALBLUE MS17-010 Echo Request (set)

Query · suricata

flow:to_server,established;
content:"|00 00 00 31 ff|SMB|2b 00 00 00 00 18 07 c0|"; depth:16; fast_pattern;
content:"|4a 6c 4a 6d 49 68 43 6c 42 73 72 00|"; distance:0;
flowbits:set,ET.ETERNALBLUE;
flowbits:noalert;

Rule dependencies

Feeds into

  • 1 rule read ET.ETERNALBLUE · view all
Raw source ET EXPLOIT Possible ETERNALBLUE MS17-010 Echo Request (set) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert smb any any -> $HOME_NET any (
    msg:"ET EXPLOIT Possible ETERNALBLUE MS17-010 Echo Request (set)";
    flow:to_server,established;
    content:"|00 00 00 31 ff|SMB|2b 00 00 00 00 18 07 c0|"; depth:16; fast_pattern;
    content:"|4a 6c 4a 6d 49 68 43 6c 42 73 72 00|"; distance:0;
    flowbits:set,ET.ETERNALBLUE;
    flowbits:noalert;
    classtype:trojan-activity;
    sid:2024220; rev:2;
    metadata:attack_target SMB_Server, created_at 2017_04_17, deployment Internal, confidence Medium, signature_severity Critical, updated_at 2019_07_26;
)

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