Versions (4)
Version DetailsCurrent
Rev: 1 • Mar 7, 2022, 12:00 PMET INFO Observed IP Tracking Domain (grabify .link in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed IP Tracking Domain (grabify .link in TLS SNI)"; flow:established,to_server; tls.sni; content:"grabify.link"; bsize:12; fast_pattern; classtype:bad-unknown; sid:2035419; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_07, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_07;)
Mar 7, 2022, 12:00 PM
Mar 7, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 5, 2025, 9:34 PM
rules/emerging-info.rules