The Ruble is slowly climbing back up and is already treading at a much more reasonable rate (with probably more readjustment ahead). See for yourself:
But his happened at a great cost. See ZeroHedge about this: http://www.zerohedge.com/news/2014-12-25/ruble-rallies-34-after-biggest-russian-intervention-5-years
Also, I would like to highly recommend the analysis of my favorite American economist, Michael Hudson who does a superb job explaining the Russian strategy for the Real News Network: http://michael-hudson.com/2014/12/russian-pivot/
Cheers,
The Saker