ET EXPLOIT Microsoft OMI RCE Exploit Attempt (CVE-2021-38647) M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/wsman";
http.header_names;
content:!"|0d 0a|Authorization|0d 0a|";
http.content_type;
content:"application/soap+xml";
http.request_body;
content:"|3c|p|3a|ExecuteScript"; fast_pattern; nocase;
content:"|3c|p|3a|Script|3e|"; nocase;
Raw source ET EXPLOIT Microsoft OMI RCE Exploit Attempt (CVE-2021-38647) M1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Microsoft OMI RCE Exploit Attempt (CVE-2021-38647) M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/wsman";
    http.header_names;
    content:!"|0d 0a|Authorization|0d 0a|";
    http.content_type;
    content:"application/soap+xml";
    http.request_body;
    content:"|3c|p|3a|ExecuteScript"; fast_pattern; nocase;
    content:"|3c|p|3a|Script|3e|"; nocase;
    reference:url,attackerkb.com/topics/08O94gYdF1/cve-2021-38647;
    reference:url,msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38647;
    reference:url,www.wiz.io/blog/secret-agent-exposes-azure-customers-to-unauthorized-code-execution;
    reference:cve,2021-38647;
    classtype:attempted-admin;
    sid:2033952; rev:2;
    metadata:affected_product HTTP_Server, attack_target Server, created_at 2021_09_15, cve CVE_2021_38647, deployment Perimeter, deployment Internet, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_15;
)

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