Technology Errors

Error Compiling pwntcha On Backtrack Linux – image.c:28:5: error: #error No imaging library

While troubleshooting some issues with pwntcha which is installed by default on Backtrack Linux version 5 R3 I received some errors compiling pwntcha from source. The Imlib2 development files need to be installed before compiling pwntcha from source on Backtrack Linux 5 R3 or Ubuntu 10.04. Below I provide the output from the pwntcha compile errors as well as show the install command for the package that needs to be installed before pwntcha will compile without errors.

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Information Security

genlist – Backtrack – Miscellaneous – Miscellaneous Network – genlist

Clicking on the genlist menu item in Backtrack Linux opens a terminal window and outputs the genlist help menu at the top. Genlist is a Perl script written to provide an easy way to generate a list of live hosts on a network or set of networks so you can then begin analyzing those hosts. All the genlist Perl script does is call nmap with the -sP switch and parse the results so only the live IP addresses are output and as simple as it seems its a handy little tool if you do penetration testing on a regular basis. Below we describe genlist in more detail and show an example of genlist in action.

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Information Security

cisco-ocs – Backtrack 5 – Vulnerability Assessment – Network Assessment – Cisco Tools – cisco-ocs

The cisco-ocs application available in the Backtrack menu ( Backtrack > Vulnerability Assessment > Network Assessment > Cisco Tools ) is also known as cisco-ocs Mass Scanner. This tool provides a single function which is to scan large ranges of IP’s looking for Cisco devices or really any device listening on TCP port 23, attempts to login using telnet with a password of cisco, then passes the enable command to the Cisco router if its able to login via telnet, uses cisco again for the enable password, and finally reports a success if its able to get to the enable prompt using these exact steps. Unfortunately this is the only function of the tool as you cannot specify a wordlist of passwords to attempt or for that matter you cannot set anything accept for the range of IP addresses to scan. Below we should a couple examples of the Cisco-OCS Mass Scanner working on Backtrack 5 R3.

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