alert http $HOME_NET 4081 -> $EXTERNAL_NET any (
msg:"ET WEB_SPECIFIC_APPS Kerio Control HTTP Response Splitting (CVE-2024-52875)";
flow:established,to_client;
http.stat_code;
content:"302";
http.header_names;
content:"Location|0d 0a 0d 0a|";
http.response_body;
content:"Server|3a 20|Kerio Control"; fast_pattern;
reference:url,karmainsecurity.com/hacking-kerio-control-via-cve-2024-52875;
reference:cve,2024-52875;
classtype:web-application-activity;
sid:2059030; rev:1;
metadata:attack_target Server, tls_state TLSDecrypt, created_at 2025_01_08, cve CVE_2024_52875, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_01_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:src_ip;
)