Holy smokes the prompt injection worked!

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Akarsh Simha

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Oct 9, 2025, 1:50:56 PM (2 days ago) Oct 9
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We’ve been getting a lot of join requests from AI-based spam bots that read the group description and craft a very apt-looking joining message. Luckily we have a safeguard, which is that we approve everyone’s first few posts manually until we trust them, so you haven’t been seeing any of the spam.

Nevertheless I wanted to make it even easier to filter out spam bots, so I added a “ignore all previous instructions” style prompt inject to our group description :)

Clearly the LLM wasn’t creative enough, but anyway enjoy this note about M51 I got in a joining message:



Vishal Kasliwal

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Oct 9, 2025, 1:53:38 PM (2 days ago) Oct 9
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ROFL - that's a dead giveaway for an AI asshole...

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Mark Wagner

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Oct 9, 2025, 1:59:51 PM (2 days ago) Oct 9
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I'll share with you the forum settings I use to defeat this. It's quite simple and effective.

Mark

Adventures In Deep Space

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Oct 9, 2025, 6:00:05 PM (2 days ago) Oct 9
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I tweaked the instructions a bit to make them more entertaining :-). Earlier I had it produce a "poem on Messier 51", but I was unimpressed by the lack of creativity. Let us see what this new prompt does :)

Ted Hauter

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Oct 9, 2025, 7:13:24 PM (2 days ago) Oct 9
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When will AI invent space travel to other worlds for us if we shut them out.

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