alert http any any -> $HOME_NET any (
msg:"ET SCADA [nsacyber/ELITEWOLF] Schweitzer Engineering Laboratories SEL-series Possible Unauthorized Access - Request for default.sel";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/default.sel"; fast_pattern;
reference:url,github.com/nsacyber/ELITEWOLF;
classtype:unsuccessful-user;
sid:2048642; 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;
)