Rule History

alert http any any -> $HOME_NET any (msg:"ET SCADA [nsacyber/ELITEWOLF] Schweitzer Engineering Laboraties SEL-series Possible Unauthorized Access Attempt - Request for err401.sel"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/errors/err401.sel?username="; fast_pattern; reference:url,github.com/nsacyber/ELITEWOLF; classtype:web-application-activity; sid:2048641; rev:1; metadata:affected_product Schweitzer_Engineering_Laboratories_SEL_Series, attack_target ICS, created_at 2023_10_18, deployment Perimeter, deployment Internal, performance_impact Low, confidence Low, signature_severity Minor, updated_at 2023_10_18; target:dest_ip;)