0P3N Blog

Cybrary’s Open Blog is a user contributed cybersecurity knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.

Metasploit And CVE
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January 1, 2016

how do you do to exploit the CVE-2017-3167 with msf , because i can't find it in the database exploit of msf , can you help me ? According to the CVE database there is no module within Metasploit related to 2017-3167. You would need to design your own exploit for it at this time. Feel free to write your own and ...

Make Your Own Ransomware
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January 1, 2016

Hi guys, I recently wrote an article for my blog about a new service that lets you create your own ransomware. Due to Cybrary policies, this article was rejected from Cybrary OP3N, but I still think it would be interesting to some people, so I will write about it here. A new type of ransomware is being freely distributed on ...

MAC Address Numbers And Letters
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January 1, 2016

Correct me if I'm wrong but MAC addresses start with 0-9 and A-F. Not always. MAC addresses are made up of 6 hexadecimal numbers, so they can start with any permutation on 0-9 and A-F. Sorry, I should have rephrased to say "can start with.." Either way you answered my question. I knew it was correct but one of the CCNA videos ...

Lists Of Linux Command
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January 1, 2016

I was looking around for a list of command and what they do and found these 2 to be useful. I am sure there are other if anyone else has to share. https://www.latesthackingnews.com/linux-basic-commands/ http://lifehacker.com/learn-basic-linux-commands-with-this-downloadable-cheat-1552019180 I was looking around for a list of command and what they do and found these 2 to be useful. I am sure there are other if ...

Linux - Unix Security Auditing Tools
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January 1, 2016

LUNARLockdown UNix Auditing and Reporting Introduction This scripts generates a scored audit report of a Unix host's security. It is based on the CIS and other frameworks. Where possible there are references to the CIS and other benchmarks in the code documentation. Why a shell script? I wanted a tool that was able to run on locked down systems where ...

Linux (Kali Or Any Other) On The Mobile Device
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January 1, 2016

Hi Cybrarians :) I have a rather weird question which I cant find an answer to, is it possible to install a Linux distribution (Kali or whichever) on a mobile device like android phone or windows phone? I know there is a Ubuntu phone and Android is based on Linux kernel so I presume it should be possible. Thank you ...

Linux Equivalent Of PsTools
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January 1, 2016

I just got to the video where Leo shows all the cool things you can do with PsTools from command prompt in windows. I wanted to know if there was an equivalent tool or way to perform the same attacks from Kali Linux which is debian based??? Have a look in this links may be you fine something similar. https://steronius.blogspot.com/2013/05/psexec-via-linux.html

Linux Command Line Cheat Sheet
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January 1, 2016

https://overapi.com/linux This is an excellent command reference. This is definitely recommended for someone who is new to Linux. I knew the majority of these, but it is always useful to keep a reference close at hand. For instance, I haven't used the 'screen' command recently and probably couldn't remember the details without a quick refresher. @prouk Enjoy!

LFCS Exam
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January 1, 2016

Hello everybody, I would like to know your opinions about linux foundation certification LFCS. Is there any better linux titulation a part from LFCE? thanks If you want a basic understanding of Linux, you can go down the LPI / LFCS or Linux+ path, but if you want a certification that Enterprises respect and will employ you for, you're better off ...

[ANSWERED] Less Command Not Working
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January 1, 2016

I'm not sure what I am doing wrong, but I have not been successful in using the less command to show the contents of a log file. I've tried both as a standard user and with elevated permissions. No luck. I am running 14.04.2 in my lab My alternate was to use the MORE command which appears to produce the ...