alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET HUNTING Microsoft Sharepoint SPXmlDataSource ASPX DataFile Fetch Inbound (CVE-2024-30043)";
flow:established,to_client;
http.response_body;
content:"|3c 21|DOCTYPE"; startswith;
content:"|3c|SharePoint|3a|SPXmlDataSource"; fast_pattern;
content:"DataFile|3d 22|";
pcre:"/^(?:(?:file|smb)\x3a\x2f{2}|\x5c+)/R";
reference:url,github.com/W01fh4cker/CVE-2024-30043-XXE;
reference:cve,2024-30043;
classtype:web-application-attack;
sid:2064128; rev:1;
metadata:affected_product Microsoft_Sharepoint, attack_target Server, tls_state TLSDecrypt, created_at 2025_08_22, cve CVE_2024_30043, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_22, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)