Merge pull request Yara-Rules#374 from unamuno/patch-1

Add ipv6 support
k0ko380 · May 6, 2020 · 11c76bf · 11c76bf
2 parents 2bb79cb + e121fff
commit 11c76bf
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/utils/ip.yar b/utils/ip.yar
@@ -7,7 +7,8 @@ rule IP {
     meta:
         author = "Antonio S. <[email protected]>"
     strings:
-        $ip = /([0-9]{1,3}\.){3}[0-9]{1,3}/ wide ascii
+        $ipv4 = /([0-9]{1,3}\.){3}[0-9]{1,3}/ wide ascii
+        $ipv6 = /(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))/ wide ascii
     condition:
-        $ip
+        any of them
 }