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OpenRCE Anti Reverse Engineering Technique >> SoftIce Registry Detection

Technique Name Category Analysis By Download Added On Last Updated
SoftIce Registry Detection Debugging ap0x March 17 2006 March 18 2006
Description:
    .386
      .model flat, stdcall
      option casemap :none   ; case sensitive

      include \masm32\include\windows.inc
      include \masm32\include\user32.inc
      include \masm32\include\kernel32.inc
      include  \masm32\include\advapi32.inc
      
      includelib \masm32\lib\user32.lib
      includelib \masm32\lib\kernel32.lib
      includelib  \masm32\lib\advapi32.lib
        
    .data
       DbgNotFoundTitle db "Debugger status:",0h
       DbgFoundTitle db "Debugger status:",0h
       DbgNotFoundText db "Debugger not found!",0h
       DbgFoundText db "Debugger found!",0h
       szSICEKey db "SOFTWARE\NuMega\DriverStudio",0h
       szIsSICEKey db "InstallDir",0h
       szREGSZ db "REG_SZ",0
    .data?
       szBuff db 256h dup(?)
       lpcbData dd  ?
       lpdwDisp dd ?
       hKey dd  ?
    .code

start:

MOV lpcbData,256h
INVOKE RegOpenKeyEx, HKEY_LOCAL_MACHINE, addr szSICEKey, 0,KEY_WRITE or KEY_READ, addr hKey

PUSH offset lpcbData
PUSH offset szBuff
PUSH offset szREGSZ
PUSH 0
PUSH offset szIsSICEKey
PUSH hKey
CALL RegQueryValueEx

TEST EAX,EAX
JE @DebuggerDetected

  @DebuggerNotFound:
PUSH 40h
PUSH offset DbgNotFoundTitle
PUSH offset DbgNotFoundText
PUSH 0
CALL MessageBox

JMP @exit
  @DebuggerDetected:

PUSH 30h
PUSH offset DbgFoundTitle
PUSH offset szBuff
PUSH 0
CALL MessageBox

  @exit:

PUSH 0
CALL ExitProcess

end start

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