Hacking the server

Default settings — These settings such as default user id and passwords can be easily guessed by the attackers. Default settings might also allow performing certain tasks such as running commands on the server which can be exploited. Misconfiguration of operating systems and networks — certain configuration such as allowing users to execute commands on the server can be dangerous if the user does not have a good password.

Bugs in the operating system and web servers — discovered bugs in the operating system or web server software can also be exploited to gain unauthorized access to the system. In additional to the above-mentioned web server vulnerabilities, the following can also led to unauthorized access Latest Agar.

Mac: In the Downloads folder, double-click the disk image, then follow the on-screen instructions. Activate your license. Windows Enter your activation key and click Activate Online. Mac: Click Activate License and enter your activation code. Or try it free for a limited time. Netsparker uniquely verifies the identified vulnerabilities proving they are real and not false positives, so you do not need to waste hours manually. Lack of security policy and procedures — lack of a security policy and procedures such as updating antivirus software, patching the operating system and web server software can create security loop holes for attackers.

Types of Web Servers The following is a list of the common web servers Apache — This is the commonly used web server on the internet.

Most PHP websites are hosted on Apache servers. It runs on Windows and is the second most used web server on the internet. Most asp and aspx websites are hosted on IIS servers. Types of Attacks against Web Servers Directory traversal attacks — This type of attacks exploits bugs in the web server to gain unauthorized access to files and folders that are not in the public domain. Denial of Service Attacks — With this type of attack, the web server may crash or become unavailable to the legitimate users.

All traffic that was supposed to be sent to the web server is redirected to the wrong one. Sniffing — Unencrypted data sent over the network may be intercepted and used to gain unauthorized access to the web server.

Phishing — With this type of attack, the attack impersonates the websites and directs traffic to the fake website. Unsuspecting users may be tricked into submitting sensitive data such as login details, credit card numbers, etc. Pharming — With this type of attack, the attacker compromises the Domain Name System DNS servers or on the user computer so that traffic is directed to a malicious site. Compromised user data may be used for fraudulent activities which may lead to business loss or lawsuits from the users who entrusted their details with the organization Web server attack tools Some of the common web server attack tools include; Metasploit — this is an open source tool for developing, testing and using exploit code.

It can be used to discover vulnerabilities in web servers and write exploits that can be used to compromise the server. MPack — this is a web exploitation tool. Once a web server has been compromised using MPack, all traffic to it is redirected to malicious download websites.

We need to identify the page where you are able to upload any documents or images. If you found any pages with uploading options.

Below is my blog where I posted to the web server injection script. We need to upload this script into the vulnerable website. Copy the code and create a php file with the script taken from my blog. Am naming the php file as shell. Try to upload the script php file. Its throwing an error. Prefer Linux environment Specifically Kali linux.

This is the first page of Burp Suite tools. Click the next button. You will be moved to the next page. Yes burpsuite is running in the back ground. Now try to upload the php shell once again. Still its throwing error. The file will get automatically cached in Burp suite. You can see the content type of the file. Change it to jpeg as shown in the below pictures and click forward button to go ahead. The script is uploaded and the site consider it as image 12 a real hacking bypassing the upload validation Check out the path where its getting uploaded.

Goto the server path by typing the ip address and path where it gets uploaded. Yes you are into the server to do any kind of changes in the server. Your Web server is hacked. Visit the Netsparker Website. Report a Bug. Previous Prev. Next Continue. Home Testing Expand child menu Expand. SAP Expand child menu Expand. Web Expand child menu Expand.

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