Banner grabbing

For the reconnaissance part or target server enumeration of a security audit banner grabbing is a technique to gain information about computer systems (which are defined in the test scope). As usual there are many ways to do it. Below is a little overview of tools/technique which are available in the Fedora Security Lab and Alpine Security.

netcat

curl

or if you only want the server details

bannergrab
bannergrab is a network service banner grabbing tool.

telnet
telnet is working similar to netcat. Just less user-friendly 😉

nmap
nmap can provides additional features with the help of the Nmap Scripting Engine (NSE). The corresponding script is called ‘banner’.

Python
If you like to have your own tool, Python with urllib2 will provide a fast way to implement banner grabbing solutions.

or with a little more comfort

wget
Last but not least, wget. wget is available on many platforms and well-known.

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One Response to Banner grabbing

  1. Pingback: Banner grabbing 4 | bits and pieces

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