alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING NHS Gov UK COVID-19 Landing Page"; flow:established,to_client; content:"<title>NHS COVID19 Relieve - GOV.UK"; fast_pattern; content:"COVID-19 Relieve system"; distance:0; content:"Apply for COVID-19 Relieve"; distance:0; content:"method=|22|post|22|"; distance:0; classtype:social-engineering; sid:2030146; rev:1; metadata:created_at 2020_05_11, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_11;)