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Code Issues Releases Activity

Added SELinux instructions

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takeshix
2016-01-02 15:38:14 +01:00
parent 84eb97fa2b
commit b73d8dc7f9
1 changed files with 14 additions and 6 deletions
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README.md
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@ -5,13 +5,21 @@ This repository includes several binaries from and tools for Red Star OS. These
## Disable malicious components
1. Get root privileges via `/usr/sbin/rootsetting`
2. Kill `securityd`
2. Disable SELinux
SELinux protects several files an directories (e.g. /var/log). It should be disabled in order to make changes to some parts of the system.
setenforce 0
In order to keep SELinux disabled after rebooting, append `selinux=0` to the kernel line in the GRUB config file (/boot/grub/grub.conf).
3. Kill `securityd`
Killing `securityd` will prevent the system from rebooting when editing/deleting various protected files.
killall -9 securityd
3. Disable `rtscan` kernel module
4. Disable `rtscan` kernel module
Either via `resctl.py` (see `rtscan`) or via a Python shell as follows:
@ -25,20 +33,20 @@ This repository includes several binaries from and tools for Red Star OS. These
After disabling `rtscan` protected processes like `opprc` will become killable.
4. Kill `scnprc` and `opprc`
5. Kill `scnprc` and `opprc`
killall scnprc
killall opprc
5. Replace `/usr/lib/libos.so.0.0.0`
6. Replace `/usr/lib/libos.so.0.0.0`
See `libos` for further information. Replacing this file will prevent the system from rebooting via `securityd` after rebooting the system. It also will prevent reboot loops by `kdm` rendering the system unusable.
6. Delete `/usr/share/autostart/scnprc.desktop`
7. Delete `/usr/share/autostart/scnprc.desktop`
Deleting this file will prevent `kdeinit` from starting the framework after a system reboot.
7. Reboot the system
8. Reboot the system
## Disclaimer