Ken Thompson's original Unix backdoor of "Reflections on Trusting Trust" fame was apparently never published. 40 years (!) later, here it is: 99 lines of code plus a 20-line shell script. That's it.
Nicely annotated and explained by Russ Cox:
Ken Thompson's original Unix backdoor of "Reflections on Trusting Trust" fame was apparently never published. 40 years (!) later, here it is: 99 lines of code plus a 20-line shell script. That's it. Nicely annotated and explained by Russ Cox: 3 comments
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@jschauma oh SWEET
apparently he was just waiting to be asked for the code! now we feel silly