OVERTHEWIRE NATAS level 17-18 is about blind sql injection. To make the level more complicated, the output hasn’t been displayed. Let’s dive in the level: If you look at the code below. It is a simple code which takes the username and check for its existence in the table users. […]


The walkthrough for the last level is available on this link: http://www.anonhack.in/2018/09/overthewire-natas-series-15-16-level-walkthrough/ This level is little bit similar to the last level. Here we have to perform a command injection. Let’s have a look at the source code of this level: See the highlighted text in the code above. $key variable […]


If you want to see the level 14- 15, follow this link: http://www.anonhack.in/2018/09/overthewire-natas-series-14-15-levels/ Level 15-16 is also based on SQL injection but here we have to work on boolean based SQL injection technique. Let me how you how: This is what the screen looks like: I put “natas16” as the user […]


This write-up is the walkthrough for OVERTHEWIRE NATAS level 12 to level 14. Both these levels contain upload the image kind of challenges where we have to upload a shell bypassing the code. LEVEL 12 – 13: The above image is the screen for overthewore natas challenge 12, When you […]

Java Program to left rotate the Array

The following Java program rotates the array to d rotational integer. A left rotation operation on an array shifts each of the array’s elements  unit to the left. For example, if left rotations are performed on array [1,2,3,4,5], then the array would become [3,4,5,1,2]. The Code makes use of swapping using temp variable for circular […]

GoldenEye 1 Walkthrough: Vulnhub vulnerable machine

This article is a walkthrough for GoldenEye vulnerable machine. In the description of this machine, it says that it is similar to OSCP machine. So, I have written a walkthrough on it. To download Goldeneye 1, follow the link: https://www.vulnhub.com/entry/goldeneye-1,240/ Requirements: Kali Linux or your favorite OS Virtualbox Goldeneye VM Patience […]

OVERTHEWIRE Natas: Walkthrough Series Level 11 – 12

LEVEL 11-12 is quite hard. It is about encryption, encoding, cookie and php code. Let’s dive in it: Login with the password we found in the last article, You will see the screen below. The hint points us to the cookie, So I checked cookie using Burpsuite and there is […]

OVERTHEWIRE Natas: Walkthrough series Level 9 – 11

This article is the continuation of OVERTHEWIRE Natas walkthrough Series. The links of the last article are here: Overthewire Natas: Walkthrough Series Levels 1 – 4 Overthewire Natas: Walkthrough Series Levels 4 -7 OVERTHEWIRE Natas: Walkthrough series Level 7 – 9   Level 9 – 10 Login from the password […]

OVERTHEWIRE Natas: Walkthrough series Level 7 – 9

This article is a walkthrough for level 7 – 9 of overthewire Natas Web Attack Series. Visit the links below for the levels before these. Overthewire Natas: Walkthrough Series Levels 1 – 4   Overthewire Natas: Walkthrough Series Levels 4 -7   Let’s get on with it: Level 7 – […]

Overthewire Natas: Walkthrough Series Levels 4 -7

This article is continuation of last article: Overthewire Natas walkthrough 1 – 4. This article contains walkthrough from level 5 -7. Let’s get on with it: Level 4 – 5 Login with natas4 password we obtained in the last article. The hint says that we are not allowed because we […]