install yor normal version of Oscam through your cam panel,then find the location of the binary on your dreambox folder /usr/bin rename your old file first to oscam.old or something.
just put the new file in there and rename it to oscam and set file attribute to 755 abd restart the cam.
set the webif address in the config files then log into your webif panel and you should see allthe configs there,
pm a copy would be nice to have if its the real thing.
restart cam over