From XSS to RCE - XSSER

From XSS to RCE 2.5 - Black Hat Europe Arsenal 2016

Demo

• Version 2.0 - 2015: https://www.youtube.com/playlist?list=PLIjb28IYMQgqqqApoGRCZ_O40vP-eKsgf
• Version 2.5 - 2016: https://www.youtube.com/playlist?list=PLRic6PgcrsWGkgacL6WFnSQKVRZIoofRj

Requirements

• Python (2.7.*, version 2.7.11 was used for development and demo)
• Gnome
• Bash
• Msfconsole (accessible via environment variables)
• Netcat (nc)
• cURL (curl) [NEW]
• PyGame (apt-get install python-pygame) [NEW]

Payload Compatibility

• Chrome (14 Nov 2015) - This should still work.
• Firefox (04 Nov 2016) - Tested live at Black Hat Arsenal 2016

WordPress Lab

• WordPress http://wordpress.org/
• Better WP Security 3.5.3 http://www.exploit-db.com/wp-content/themes/exploit/applications/c6d6beb3c11bc58856e15218d512b851-better-wp-security.3.5.3.zip
• Optional: WPSEO https://yoast.com/wordpress/plugins/seo/

WordPress Exploit

• http://www.exploit-db.com/exploits/27290/

Joomla Lab

• Joomla https://www.joomla.org/
• SecurityCheck 2.8.9 https://www.exploit-db.com/apps/543ccd00b06d24be139d7e18212a0916-com_securitycheck_j3x-2.8.9.zip

Joomla Exploit

• https://www.exploit-db.com/exploits/39879/

Directories

• Audio: Contains remixed audio notifications.
• Exploits: Contains DirtyCow (DCOW) privilege escalation exploits.
• Joomla_Backdoor: Contains a sample Joomla extension backdoor which can be uploaded as an administrator and subsequently used to execute arbitrary commands on the system with system($_GET['c']).
• Payloads/javascript: Contains the JavaScript payloads. Contains a new "add new admin" payload for Joomla.
• Shells: Contains the PHP shells to inject, including a slightly modified version of pentestmonkey's shell that connects back via wget.

Developed By

• Hans-Michael Varbaek
• Sense of Security

Credits

• MaXe / InterN0T

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Web Application XSS Scanner - XssPy

XssPy is a python tool for finding Cross Site Scripting vulnerabilities in websites. This tool is the first of its kind. Instead of just checking one page as most of the tools do, this tool traverses the website and find all the links and subdomains first. After that, it starts scanning each and every input on each and every page that it found while its traversal. It uses small yet effective payloads to search for XSS vulnerabilities.

The tool has been tested parallel with paid Vulnerability Scanners and most of the scanners failed to detect the vulnerabilities that the tool was able to find. Moreover, most paid tools scan only one site whereas XSSPY first finds a lot of subdomains and then scan all the links altogether. The tool comes with:

• Short Scanning
• Comprehensive Scanning
• Finding subdomains
• Checking every input on every page

With this tool, Cross Site Scripting vulnerabilities have been found in the websites of MIT, Stanford, Duke University, Informatica, Formassembly, ActiveCompaign, Volcanicpixels, Oxford, Motorola, Berkeley and many more.

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