Hello. I believe you can reverse the fourth and perhaps part of the third rounds of the external MD4, but nothing more.

here is open source code for a cracker implementing reversal and SSE2 for mscache:
http://blog.distracted.nl/2009/05/ca...te-forcer.html

could you direct me to the RFC for mscache? Can't find it.

about hash reversal:
http://3.14.by/forum/viewtopic.php?f...3d461d4579727f