alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP W32/PlaySushi User-Agent"; flow:established,to_server; http.user_agent; content:"psi|20|"; startswith; reference:md5,039815a7cb0b7ee52b753a9b79006f97; classtype:pup-activity; sid:2014261; rev:4; metadata:created_at 2012_02_21, confidence High, signature_severity Minor, updated_at 2020_08_31;)