A passive scanning tool for finding expired domain vulnerabilites while you browse.

Latest Version

Version
0.0.2
Update
October 8, 2016
Size
695KiB
Developer
thehackerblog.com
Category
Users
78
Rating
1 ★
Manifest Version
2
Web Store Status
Languages Support
English
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Permissions
WebRequest
WebRequestBlocking

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PERS - The Passive Expired Resource Scanner Extension

A Chrome extension which detects expired domains in webpage resources (such as external images, CSS, and JavaScript) while you browse. Once detected it alerts you to the details and offers multiple ways to verify that the domain is expired. These vulnerabilities often allow for hijacking of the vulnerable webpage.

Useful for penetration testers and auditors who wish to automatically identify these vulnerabilities passively while they browse.

Reason for various permissions requested by extension:
* webRequest: Required to hook the onErrorOcurred function in Chrome to detect when a resource load has resulted in a network error occurring (e.g. \"net::ERR_NAME_NOT_RESOLVED\").
* webRequestBlocking: Required to block and add headers for certain domain availability querying APIs (e.g. add Origin header).
* : Required because we have to be able to detect failed network loads for resources from any domain/URL.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "PERS - The Passive Expired Resource Scanner", "version": "0.0.2", "manifest_version": 2, "description": "A passive scanning tool for finding expired domain vulnerabilites while you browse.", "homepage_url": "https://thehackerblog.com/", "content_security_policy": "default-src 'self' https://thehackerblog.com; style-src * https://fonts.googleapis.com; img-src *; font-src *; connect-src *;", "icons": { "16": "icons/icon16.png", "48": "icons/icon48.png", "128": "icons/icon128.png" }, "default_locale": "en", "background": { "page": "src/bg/background.html", "persistent": true }, "permissions": [ "webRequest", "webRequestBlocking", "" ]}
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How to download and manually install PERS - The Passive Expired Resource Scanner extension for Chrome

Looking for a way to install PERS - The Passive Expired Resource Scanner extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install PERS - The Passive Expired Resource Scanner extensions manually, this article outlines two simple methods to effortlessly install PERS - The Passive Expired Resource Scanner extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download PERS - The Passive Expired Resource Scanner extension and manually install through Drag &Drop

If you ever need to manually install a PERS - The Passive Expired Resource Scanner extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the PERS - The Passive Expired Resource Scanner Extension by clicking the "Download CRX" button on the website.

Look for the PERS - The Passive Expired Resource Scanner extension you wish to install. Go to the website and download the PERS - The Passive Expired Resource Scanner extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for PERS - The Passive Expired Resource Scanner extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the PERS - The Passive Expired Resource Scanner extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download PERS - The Passive Expired Resource Scanner extension for Chrome and install in Developer Mode

This is another method to install PERS - The Passive Expired Resource Scanner extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the PERS - The Passive Expired Resource Scanner extension file

Select and download the PERS - The Passive Expired Resource Scanner extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the PERS - The Passive Expired Resource Scanner extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your PERS - The Passive Expired Resource Scanner extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the PERS - The Passive Expired Resource Scanner extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install PERS - The Passive Expired Resource Scanner extension in 2 ways. We hope this guide proves helpful.

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