I recall that there was a plugin for SoftICE called FrogsICE, which would block programs from detecting whether SoftICE was loaded. But, FrogsICE was itself abl

I recall that there was a plugin for SoftICE called FrogsICE, which would block programs from detecting whether SoftICE was loaded. But, FrogsICE was itself able to detect whether it was already loaded (to prevent loading multiple instances).