ET INFO IKEv2 SA_INIT with Microsoft Security Realm Vendor ID

Query · suricata

flow:stateless,to_server;
flowbits:set,ET.IKE.MS_Sec_VID;
flowbits:noalert;
content:"|22 20 22 08 00 00 00 00|"; offset:16; depth:8;
content:"|68 6a 8c bd fe 63 4b 40 51 46 fb 2b af 33 e9 e8|"; fast_pattern;

Rule dependencies

Feeds into

  • 1 rule read ET.IKE.MS_Sec_VID · view all
Raw source ET INFO IKEv2 SA_INIT with Microsoft Security Realm Vendor ID · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert udp any any -> $HOME_NET [500,4500] (
    msg:"ET INFO IKEv2 SA_INIT with Microsoft Security Realm Vendor ID";
    flow:stateless,to_server;
    flowbits:set,ET.IKE.MS_Sec_VID;
    flowbits:noalert;
    content:"|22 20 22 08 00 00 00 00|"; offset:16; depth:8;
    content:"|68 6a 8c bd fe 63 4b 40 51 46 fb 2b af 33 e9 e8|"; fast_pattern;
    reference:url,www.zerodayinitiative.com/blog/2026/4/22/cve-2026-33824-remote-code-execution-in-windows-ikev2;
    classtype:misc-activity;
    sid:2069042; rev:1;
    metadata:attack_target Server, created_at 2026_04_28, deployment Perimeter, deployment Internal, confidence High, signature_severity Informational, updated_at 2026_04_28;
)

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