ET EXPLOIT Microsoft Exchange Server Exploitation Inbound (CVE-2020-17132)

Query · suricata

flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:"/ecp/DLPPolicy/ManagePolicyFromISV.aspx"; startswith;
http.request_body;
content:"ctl00$ResultPanePlaceHolder$contentContainer$upldCtrl";
content:"[Diagnostics.Process]::start|28|"; distance:0;
Raw source ET EXPLOIT Microsoft Exchange Server Exploitation Inbound (CVE-2020-17132) · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HTTP_SERVERS,$HOME_NET] any (
    msg:"ET EXPLOIT Microsoft Exchange Server Exploitation Inbound (CVE-2020-17132)";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:"/ecp/DLPPolicy/ManagePolicyFromISV.aspx"; startswith;
    http.request_body;
    content:"ctl00$ResultPanePlaceHolder$contentContainer$upldCtrl";
    content:"[Diagnostics.Process]::start|28|"; distance:0;
    reference:cve,CVE-2020-17132;
    reference:url,github.com/sudohyak/suricata-rules/blob/main/CVE-2020-17132/CVE-2020-17132.rules;
    reference:cve,2020-17132;
    classtype:attempted-admin;
    sid:2031506; rev:2;
    metadata:attack_target Server, created_at 2021_01_08, cve CVE_2020_17132, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_08;
)

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