alert tcp [107.148.223.17,107.175.218.6,107.189.1.160,107.189.7.186,107.189.8.181,108.61.189.136,109.169.33.163,109.228.160.190,109.237.27.11,109.70.100.1] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 4"; reference:url,check.torproject.org/torbulkexitlist; classtype:misc-attack; sid:2520003; 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;)