Rule History

alert tls $HOME_NET any -> any any (msg:"ET SCADA [nsacyber/ELITEWOLF] Tridium Niagara4 Default X509 Certificate String"; flow:established,to_client; tls.certs; content:"Niagara4"; fast_pattern; target:src_ip; reference:url,github.com/nsacyber/ELITEWOLF; classtype:misc-activity; sid:2048744; rev:2; metadata:affected_product Tridum_Niagara_Series, attack_target ICS, created_at 2023_10_23, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Minor, updated_at 2024_04_24, reviewed_at 2024_10_02; target:src_ip;)