Otto Skorzeny worked for the Mossad.
He's mentioned in this book. In Chapter 7, it says Wilhelm Beisner worked for Walter Rauff, "a fugitive criminal leading the western 'wanted' list, was one of the informants of the Gehlen Org in Damascus. The Gehlen Org was headed by former Nazi intelligence officer Reinhard Gehlen. It was the first spy group authorized by the CIC/CIA. Beisner also worked for the Egyptians. "Officially, he was the secretary of Abbas Hakim, brother-in-law of deposed King Farouk." In the early 50's, Beisner was selling military hardware to the Egyptian government, mostly machine guns exported by Alfa, a Madrid firm belonging to Otto Skorzeny.
That's as far as I've gotten on Skorzeny, but in the index he's shows up in later chapters.