alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious GET Request with Possible COVID-19 URI M1"; http.method; content:"GET"; http.uri; content:"covid"; nocase; http.host; content:!".jhu.edu"; endswith; content:!".ncsc.gov.ie"; endswith; content:!".nhs.wales"; endswith; content:!".govt.nz"; endswith; content:!".nhp.gov.in"; endswith; content:!".oracle.com"; endswith; content:!".cdc.gov"; endswith; classtype:bad-unknown; sid:2029753; rev:3; metadata:created_at 2020_03_28, confidence Low, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_11;)