A text-based feature or tool for teenage ("t33n") developers.
Thus ctfuser cannot open the file directly. However, if we can convince it to read the source as root . cp t33n txt exclusive
When cp runs with -p (or --preserve=all ), it temporarily escalates to root to set the attributes, and during that phase it . This is the well‑known “ cp -p privilege‑escalation vector”. A text-based feature or tool for teenage ("t33n") developers
| Mode | Symbolic | Meaning | |------|----------|---------| | 600 | rw------- | Only you can read/write | | 644 | rw-r--r-- | Owner read/write; others read‑only (default) | | 660 | rw-rw---- | Owner & group read/write; others none | others none |