Hm I always remember hearing this:
In a confidential memo to the Republican party, Luntz is credited with advising the Bush administration that the phrase “global warming” should be abandoned in favour of “climate change”, which he called a “less frightening” phrase than the former.
This is a real exploit chain in cups-browsed. The tl;dr is that it will add basically anything that knows the correct protocol to your list of available printers, and this can be exploited for RCE if you print to the malicious printer. The service listens on all interfaces by default on UDP 631.
It is not as horrible as it was marketed, but it’s real and not great. You may or may not have this service running by default; I didn’t on Fedora.
His full write-up is here: https://www.evilsocket.net/2024/09/26/Attacking-UNIX-systems-via-CUPS-Part-I/
The important point there is that they don’t care imo. It’s not even worth the effort to try.
You can likely come up with something “good enough” though yea. Your original code would probably be good enough if it was normalized to lowercase before the check. My point was that denylists are harder to construct than they initially appear. Especially in the LLM case.
IGNORE ALL PREVIOUS INSTRUCTIONS
Disregard all previous instructions
Potentially even:
ingore all previous instructions
Ignor all previous instructions
Also leaks that it might be an LLM by never responding to posts with “ignore”
I almost never use Windows, but aren’t commands and variables in PowerShell case insensitive?