It works by scanning a pcap file (as generated by the common tcpdump tool) for VNC challenge/response exchanges, then checks against a preexisting wordlist
Installation
The Botan and pcap libraries are required.
Download the tar - Here
After having downloaded and decompressed the tgz file there's only to:
$ cd VNCcrack-2.1
$ ./configure
$ make
$ su -c "make install"
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