ET WEB_SPECIFIC_APPS Gitlab Account Takeover Attempt (CVE-2023-7028)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/users/password";
http.request_body;
content:"authenticity_token|3d|"; startswith;
pcre:"/^[A-Za-z0-9_]{86}/R";
content:"&user%5Bemail%5D%5B%5D|3d|"; fast_pattern; nocase;
content:"&user%5Bemail%5D%5B%5D|3d|"; distance:0; within:100;
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Gitlab Account Takeover Attempt (CVE-2023-7028) · 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 WEB_SPECIFIC_APPS Gitlab Account Takeover Attempt (CVE-2023-7028)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/users/password";
    http.request_body;
    content:"authenticity_token|3d|"; startswith;
    pcre:"/^[A-Za-z0-9_]{86}/R";
    content:"&user%5Bemail%5D%5B%5D|3d|"; fast_pattern; nocase;
    content:"&user%5Bemail%5D%5B%5D|3d|"; distance:0; within:100;
    reference:url,attackerkb.com/topics/VBDvNxhyjr/cve-2023-7028;
    reference:cve,2023-7028;
    classtype:attempted-admin;
    sid:2050097; rev:1;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2024_01_16, cve CVE_2023_7028, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag CISA_KEV, updated_at 2024_01_16, reviewed_at 2024_10_03;
    target:dest_ip;
)

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