smuggler

A steganography tool that abuses UTF-8 PUAs to encode messages, which can be used for subtle attacks on AI prompts

user@angeltech:$ go build .

user@angeltech:$ ./smuggler encode "test"
Encoded: 󠁴󠁥󠁳󠁴

user@angeltech:$ ./smuggler decode "<000e0074><000e0065><000e0073><000e0074>"
Decoded: test

Example of interaction with Grok, for reference: