ET EXPLOIT [NCC GROUP] Possible Bluekeep Inbound RDP Exploitation Attempt (CVE-2019-0708)

Query · suricata

flow:to_server,established;
content:"|03 00|"; depth:2;
content:"|02 f0|"; distance:2; within:2;
content:"|00 05 00 14 7c 00 01|"; within:512;
content:"|03 c0|"; distance:3; within:384;
content:"MS_T120|00|"; distance:6; within:372; nocase; fast_pattern;
threshold:type limit, track by_src, count 2, seconds 600;
Raw source ET EXPLOIT [NCC GROUP] Possible Bluekeep Inbound RDP Exploitation Attempt (CVE-2019-0708) · 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 any any -> any 3389 (
    msg:"ET EXPLOIT [NCC GROUP] Possible Bluekeep Inbound RDP Exploitation Attempt (CVE-2019-0708)";
    flow:to_server,established;
    content:"|03 00|"; depth:2;
    content:"|02 f0|"; distance:2; within:2;
    content:"|00 05 00 14 7c 00 01|"; within:512;
    content:"|03 c0|"; distance:3; within:384;
    content:"MS_T120|00|"; distance:6; within:372; nocase; fast_pattern;
    threshold:type limit, track by_src, count 2, seconds 600;
    reference:cve,CVE-2019-0708;
    reference:url,portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0708;
    reference:url,github.com/nccgroup/Cyber-Defence/blob/master/Signatures/suricata/2019_05_rdp_cve_2019_0708.txt;
    classtype:attempted-admin;
    sid:2027369; rev:3;
    metadata:attack_target Client_and_Server, created_at 2019_05_21, deployment Perimeter, deployment Internet, deployment Internal, malware_family Bluekeep, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2019_07_26;
)

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