Rule History

alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS Apache Struts inbound .getClass OGNL injection remote code execution attempt"; flow:to_server,established; http.uri; content:"${"; content:".getClass"; distance:0; fast_pattern; reference:cve,2018-11776; classtype:attempted-admin; sid:2026034; rev:2; metadata:affected_product Apache_Struts2, attack_target Server, created_at 2018_08_24, cve CVE_2018_11776, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)