ET EXPLOIT Microsoft Office Spoofing to HTTP Redirect Inbound (CVE-2024-38200)

Query · suricata

flow:established,to_client;
http.content_type;
pcre:"/^(?:application\x2fjavascript|text\x2fhtml)$/";
http.response_body;
content:"|7c|u|7c|http"; fast_pattern;
pcre:"/ms-(?:word|powerpoint|excel|visio|access|project|publisher|spd|infopath)\x3a(?:of(?:e|v)|nft)\x7cu\x7chttps?\x3a\x2f{2}/i";
content:!"|2e|office|2e|net|2f|";
target:dest_ip;
Raw source ET EXPLOIT Microsoft Office Spoofing to HTTP Redirect Inbound (CVE-2024-38200) · Suricata
Esc
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 -> $HOME_NET any (
    msg:"ET EXPLOIT Microsoft Office Spoofing to HTTP Redirect Inbound (CVE-2024-38200)";
    flow:established,to_client;
    http.content_type;
    pcre:"/^(?:application\x2fjavascript|text\x2fhtml)$/";
    http.response_body;
    content:"|7c|u|7c|http"; fast_pattern;
    pcre:"/ms-(?:word|powerpoint|excel|visio|access|project|publisher|spd|infopath)\x3a(?:of(?:e|v)|nft)\x7cu\x7chttps?\x3a\x2f{2}/i";
    content:!"|2e|office|2e|net|2f|";
    reference:url,github.com/passtheticket/CVE-2024-38200;
    reference:cve,2024-38200;
    classtype:bad-unknown;
    sid:2056375; rev:1;
    metadata:affected_product MS_Office, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_10_01, cve CVE_2024_38200, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2024_10_01;
    target:dest_ip;
)

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