add HAS_ONION_URI rule

diff --git a/rules/regexp/misc.lua b/rules/regexp/misc.lua
index f63526a8e954cbfd18238f51b06c0608b0394ee0..b9e1b0e6d0c501bf775d3a153c3dda5c87f9c3df 100644 (file)
--- a/rules/regexp/misc.lua
+++ b/rules/regexp/misc.lua
@@ -51,3 +51,12 @@ reconf['INTRODUCTION'] = {
   group = 'scams'
 }
 
+-- Message contains a link to a .onion URI (Tor hidden service)
+local onion_uri_v2 = '/[a-z0-9]{16}\\.onion?/{url}i'
+local onion_uri_v3 = '/[a-z0-9]{56}\\.onion?/{url}i'
+reconf['HAS_ONION_URI'] = {
+    re = string.format('(%s | %s)', onion_uri_v2, onion_uri_v3),
+    description = 'Contains .onion hidden service URI',
+    score = 0.0,
+    group = 'experimental'
+}