October 2018
Intermediate to advanced
528 pages
12h 33m
English
book
Kali Linux 2018: Assuring Security by Penetration Testing - Fourth Edition
by Shiva V. N. Parasram, Alex Samm, Damian Boodoo, Gerard Johansen, Lee Allen, Tedi Heriyanto, Shakeel Ali
Content preview from Kali Linux 2018: Assuring Security by Penetration Testing - Fourth Edition
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Operating system detection
Nmap can also be asked to check the operating system used on the target machine. This information is very useful when you perform the vulnerability-identification process later on.
To use this feature, give Nmap the -O option.
The following is an example of this feature's usage. We want to find the operating system used on the target machine:
nmap -O 172.16.43.156
The following command lines are the result of this command:
Based on the preceding information, we can see that the remote system is a Linux operating system using Linux kernel versions 2.6.9 - 2.6.33. If there are vulnerabilities on those Linux kernels, ...
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