alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Chrome/0 in User-Agent"; flow:established,to_server; http.user_agent; content:"Chrome/0"; fast_pattern; reference:md5,8f691ff07480935c821032d85b14fa08; classtype:misc-activity; sid:2041923; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_12_06, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_06;)