ET WEB_SPECIFIC_APPS Apache HTTP Server Unauthenticated Arbitrary File Read via mod_rewrite (CVE-2024-38475)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Apache HTTP Server Unauthenticated Arbitrary File Read via mod_rewrite (CVE-2024-38475)";
    flow:established,to_server;
    http.uri;
    content:"|25|3f"; fast_pattern; nocase;
    content:"|2e|css"; endswith;
    pcre:"/\x2e[a-z]+\x253[fF](?:\x2e\d+){4}[A-Za-z0-9]*-\d+.*?\x2ecss/";
    http.method;
    content:"GET";
    reference:url,labs.watchtowr.com/sonicboom-from-stolen-tokens-to-remote-shells-sonicwall-sma100-cve-2023-44221-cve-2024-38475/;
    reference:cve,2024-38475;
    classtype:web-application-attack;
    sid:2069060; rev:1;
    metadata:affected_product Apache_HTTP_server, attack_target Server, tls_state TLSDecrypt, created_at 2026_04_29, cve CVE_2024_38475, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Significant, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_04_29, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)