add superion custom mutator link
MODIFY
README.md
README.md
@@ -357,9 +357,10 @@ Here are some good writeups to show how to effectively use AFL++:
* [https://securitylab.github.com/research/fuzzing-sockets-FTP](https://securitylab.github.com/research/fuzzing-sockets-FTP)
If you are interested in fuzzing structured data (where you define what the
-structure is), these two links have you covered:
- * [https://github.com/bruce30262/libprotobuf-mutator_fuzzing_learning/tree/master/4_libprotobuf_aflpp_custom_mutator](https://github.com/bruce30262/libprotobuf-mutator_fuzzing_learning/tree/master/4_libprotobuf_aflpp_custom_mutator)
- * [https://github.com/thebabush/afl-libprotobuf-mutator](https://github.com/thebabush/afl-libprotobuf-mutator)
+structure is), these links have you covered:
+ * Superion for afl++: [https://github.com/am06/superion-mutator](https://github.com/am06/superion-mutator)
+ * libprotobuf raw: [https://github.com/bruce30262/libprotobuf-mutator_fuzzing_learning/tree/master/4_libprotobuf_aflpp_custom_mutator](https://github.com/bruce30262/libprotobuf-mutator_fuzzing_learning/tree/master/4_libprotobuf_aflpp_custom_mutator)
+ * libprotobuf for old afl++ API: [https://github.com/thebabush/afl-libprotobuf-mutator](https://github.com/thebabush/afl-libprotobuf-mutator)
If you find other good ones, please send them to us :-)

MODIFY
custom_mutators/README.md
custom_mutators/README.md
@@ -10,3 +10,22 @@ Use with e.g.
and add `AFL_CUSTOM_MUTATOR_ONLY=1` if you only want to use the custom mutator.
Multiple custom mutators can be used by separating their paths with `:` in the environment variable.
+
+# Other custom mutators
+
+## Superion port
+
+Adrian Tiron ported the Superion grammar fuzzer to afl++, it is WIP and
+requires cmake (among other things):
+[https://github.com/am06/superion-mutator](https://github.com/am06/superion-mutator)
+
+## Protobuf
+
+There are two WIP protobuf projects, that require work to be working though:
+
+transforms protobuf raw:
+https://github.com/bruce30262/libprotobuf-mutator_fuzzing_learning/tree/master/4_libprotobuf_aflpp_custom_mutator
+
+has a transform function you need to fill for your protobuf format, however
+needs to be ported to the updated afl++ custom mutator API (not much work):
+https://github.com/thebabush/afl-libprotobuf-mutator

add superion custom mutator link