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DNS is a crucial component in the proper working of the internet. Once a critical DNS server is compromised, the attackers get a strong advantage as they could control which domain maps to which IP address and vice-versa. Sometimes, configuration mistakes happen as setting up a DNS server correctly is not an easy task and hence, a small mistake can cause havoc.
In this scenario, an inexperienced administrator has misconfigured a DNS server and thus, anyone who could access could update any of the resource records.
Objective: Using the nsupdate utility, perform the following operations:
- Update the A record for "witrap.com" from its current IP to point to your IP
- Update the TXT record for "witrap.com"
- Add an A record for a non-existent subdomain for "witrap.com"
- Use pre-conditions to update and delete the A records for the newly created subdomain
- This lab is dedicated to you! No other users are on this network :)
- Once you start the lab, you will have access to a Kali GUI instance.
- Your Kali instance has an interface with IP address 192.X.Y.2. Run "ip a" to know the values of X and Y.
- The target DNS server should be running on the machine having IP address 192.X.Y.3.
- Do not attack the gateway located at IP address 192.X.Y.1
The following activities are strictly prohibited on this website unless otherwise explicitly stated as allowed in the mission statement:
- Using automated scanners
- Using brute force attacks
- Denial of Service attacks
- Attacking other student machines in challenges where you might achieve a shell on the vulnerable system
- Attacking the lab infrastructure
Users violating the above will be either temporarily or permanently banned from the website.
If you are unsure about an activity, then please contact support to confirm that it is allowed on our website.
Technical Support for this Lab:
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