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.

Online Pen Testing Practice Sites
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January 1, 2016

For anyone looking for a way to practice your new pen testing skills, the article below has an updated list of online sites which actually allow and encourage you to practice on their site (within limits). https://www.checkmarx.com/2016/12/04/15-vulnerable-sites-legally-practice-hacking-skills-2016-update/ The link below has a LOT more pen testing options, though it doesn't have much of a description for each link. https://www.amanhardikar.com/mindmaps/PracticeUrls.html Nooice. I'll check ...

Null Byte Injection
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January 1, 2016

Null Byte Injection is an exploitation technique used to bypass sanity checking filters in infrastructure by adding URL-encoded null byte characters (i.e., %00, or 0x00 in hex) to the user-supplied data. This injection process can alter the intended logic of the application and allow an attacker to get unauthorized access to system files. Most web applications today are developed using ...

Nslookup "help Is Not Yet Implemented"
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January 1, 2016

Hello, i am just starting with learning how to hack. Some of my friends are proficient at it and im giving it a try. I am running on Kali linux and when going into the terminal and using nslookup i keep getting "help is not yet implemented" i know what this means... but why is it saying this? Am I ...

Ns Is Not Recognized As Internal Or External Command
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January 1, 2016

ns lookup...my computer is not recognising ns command..can you please help me out of that? Be sure you do not put a space between 'ns' and 'lookup'. The command is all one word: 'nslookup' yeah...I got it ... but to be frank, without ur help..nd thankyou soo much

Notes For Networking+
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January 1, 2016

I couldn't come across any place with good networking notes ( good notes) that are not paragraphs of detail.. Is there anyone who wrote notes and are willing to share them? IF SO I WOULD REALLLLY APPRECIATE YOUR NOTES Here are some good notes in image format. https://imgur.com/a/vQwKx Hi nancy I am looking for notes too. could you send me the notes ...

New Version Of NMAP
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January 1, 2016

NMAP v7.10 is released. Feature the same basic functionality but now has some new scripts for advanced users, some bug fixes and better OS fingerprint analysis. Happy Hunting! Thank you! Thanks for sharing! Thanks for sharing :) That's great... Thnx... Thanks for sharing! thanks for info For anyone wanting to use the most recent version of nmap, you may need to manually download and install it instead ...

New To Crybary
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January 1, 2016

Hello, I'm Talogeta and i'm am new here. Pleased to be here! regards Hello, I'm Talogeta and i'm am new here. Pleased to be here! regards Hi talogeta, It’s great to see you’ve joined Cybrary. I joined here a few months back and it has honestly opened my mind to a huge world of cyber-security. As you’re new around here, I suggest ...

Need Assistance With Ferret And Hamster Installing It
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January 1, 2016

please help me with installing and running ferret and hamster. which platform are you using? For kali linux this link might be helpful https://null-byte.wonderhowto.com/how-to/hijacking-cookie-sessions-0161854/ cant test on windows thought the site is down for hamster download. BEST OF LUCK! Hi Darkangel4, I'm currently using Win 7. I can see all the folders for hamster and ferret including build, bin etc,. I see ...

Mysql Dump Files Import Problem
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January 1, 2016

Hello. If anyone can help me with shaking their finger at me, telling me I'm a doe doe, and correcting what ever it is I'm doing wrong. I promise I will never date your sister if you have one. apache2 up and running fine mysql server aaaaa-okay I'm using mysql Workbench and I'm sure the problem is with something I ...

Msfpayload Error
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January 1, 2016

when i type msfpayload windows/meterpreter/reverse\_tcp in metasploit console.It shows unknown command.please help me. you have to use "use" before your command like this use msfpayload windows/meterpreter/reverse\_tcp or try msfvenom instead of msfpayload msfvenom -p android/meterpreter msfpayload it;s old now!;)