alert tcp [170.64.129.106,171.25.193.131,171.25.193.132,171.25.193.20,171.25.193.234,171.25.193.235,171.25.193.25,171.25.193.35,171.25.193.36,171.25.193.37] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 16"; reference:url,check.torproject.org/torbulkexitlist; classtype:misc-attack; sid:2520015; rev:6407; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_10_14;)