ET EXPLOIT .NET Framework Remote Code Execution Injection (CVE-2020-1147)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"__SUGGESTIONSCACHE__"; fast_pattern;
content:"<DataSet"; nocase; distance:0;
content:"System.Data.Services.Internal.ExpandedWrapper"; nocase; distance:0;
Raw source ET EXPLOIT .NET Framework Remote Code Execution Injection (CVE-2020-1147) · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT .NET Framework Remote Code Execution Injection (CVE-2020-1147)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"__SUGGESTIONSCACHE__"; fast_pattern;
    content:"<DataSet"; nocase; distance:0;
    content:"System.Data.Services.Internal.ExpandedWrapper"; nocase; distance:0;
    reference:url,srcincite.io/blog/2020/07/20/sharepoint-and-pwn-remote-code-execution-against-sharepoint-server-abusing-dataset.html;
    reference:cve,2020-1147;
    classtype:attempted-admin;
    sid:2034510; rev:2;
    metadata:created_at 2021_11_18, cve CVE_2020_1147, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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