Theirs are probably junk by now, but the KGB got hold of one eventually
I think that one, whichever it is, is the copy of the AIM-54 Phoenix. How they compromised the Phoenix, I don't know, but I remember reading that the Sov weaponeers had the benefit.
AA-9 writeup here:
http://www.fas.org/man/dod-101/sys/missile/row/aa-9.htm