alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO F5 BIG-IP - Failed Auth Due To Expired Password"; flow:established,to_client; http.stat_code; content:"401"; http.response_body; content:"|22|code|22 3a|401"; content:"|3a 22|Authentication|20|failed|3a 20|Password|20|expired|2e 20|Update|20|password|20|via|20 2f|mgmt|2f|shared|2f|authz|2f|users|2e 22|"; fast_pattern; classtype:misc-activity; sid:2049254; rev:1; metadata:affected_product F5, attack_target Networking_Equipment, created_at 2023_11_20, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_11_20; target:src_ip;)