alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET USER_AGENTS Seetrol Client Remote Administration Tool User-Agent";
flow:established,to_server;
http.host;
content:"seetrol";
http.user_agent;
content:"SeetrolClient"; fast_pattern;
threshold:type limit,seconds 300,count 1,track by_src;
classtype:pup-activity;
sid:2049138; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_11_09, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_09;
)