Linux does exactly what you tell it - dangerous commands can wipe or brick your system. Common lethal commands: sudo rm -rf /*, sudo chmod -R 777 /, :(){ :|:& };:, dd if=/dev/urandom of=/dev/sda Never ...

Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...

A new open-source and cross-platform tool called Tirith can detect homoglyph attacks over command-line environments by analyzing URLs in typed commands and stopping their execution. Available on ...