# Exploit Title: Zapya Desktop Version ('ZapyaService.exe') Privilege Escalation # Date: 2016/9/12 # Exploit Author: Arash Khazaei # Vendor Homepage: http://www.izapya.com/ # Software Link: http://binaries.izapya.com/Izapya/Windows_PC/ZapyaSetup_1803_en.exe # Version: 1.803 (Latest) # Tested on: Windows 7 Professional X86 - Windows 10 Pro X64 # CVE : N/A ====================== # Description : # Zapya is a 100% free tool for sharing files across devices like Android, iPhone, iPad, Window’s Phone, PC, and Mac computers in an instant. # It’s Easy to use and supports multiple languages. We are already a community of 300 million strong users and growing rapidly. # When You Install Zapya Desktop , Zapya Will Install A Service Named ZapyaService.exe And It's Placed In Zapya Installation Directory . # If We Replace The ZapyaService.exe File With A Malicious Executable File It Will Execute As NT/SYSTEM User Privilege. ====================== # Proof Of Concept : # 1- Install Zapya Desktop . # 2- Generate A Meterpreter Executable Payload . # 3- Stop Service And Replace It With ZapyaService.exe With Exact Name. # 4- Listen Handler For Connection And Start Service Again or Open Zapya Desktop , Application Will Attempt To Start Service # 5- After Starting Service We Have Reverse Meterpreter Shell With NT/SYSTEM Privilege. ================== # Discovered By Arash Khazaei ==================