diff options
author | makefu <github@syntax-fehler.de> | 2013-01-14 14:46:22 +0100 |
---|---|---|
committer | makefu <github@syntax-fehler.de> | 2013-01-14 14:46:22 +0100 |
commit | dbe2d838ba6834788265029162b2dd7d82473335 (patch) | |
tree | a4eb38f7fc91d91269b6f83453de62242c6ddc23 /sandbox/DNA/linux/README.md | |
parent | 5a782f6c8f7923f9f415afd504ce6e71acbc7fef (diff) | |
parent | abf9916bc1add17888308877fa4eb9da330297ef (diff) |
Merge branch 'master' of github.com:krebscode/painload
Conflicts:
god/temper/Makefile
god/temper/collectd-temper.sh
Diffstat (limited to 'sandbox/DNA/linux/README.md')
-rw-r--r-- | sandbox/DNA/linux/README.md | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sandbox/DNA/linux/README.md b/sandbox/DNA/linux/README.md new file mode 100644 index 00000000..0b6885e2 --- /dev/null +++ b/sandbox/DNA/linux/README.md @@ -0,0 +1,41 @@ +# Putting rickrolling in kernel space + +Kernelroll is a linux kernel module for advanced rickrolling. + +It works by patching the open() system call to open a specified music file +instead of other music files. Currently, it only checks if the file extension +"mp3" is present and calls the original open() with the supplied path +instead. + +WARNING: There is probably a performance penalty and your kernel might crash +at a very inappropriate time and cause data loss! You are responsible for +the code you load into your kernel! + +But most probably, it will be alright! ;) + +# Installation + +You need the address of sys_call_table in your kernel. Use + + $ grep sys_call_table /boot/System.map-3.0.0-1-amd64 + ffffffff81400300 R sys_call_table + +on the respective System.map of your kernel to find out the address + +Now fire up kernelroll.c and add yours: + + void **sys_call_table = (void **)0xffffffff81400300; + +This will probably be simplified in the future, but as sys_call_table isn't +exported anymore in 2.6 kernels, we have to use some tricks. + +Compile with: + + $ make + +Load with: + + $ insmod kernelroll.ko rollfile=/path/to/rickroll.mp3 + +Fire up a music player of your choice, play a song and consider yourself +kernelrolled. ;) |