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Index > Windows > [fasmg] w64g00.asm, a bare-bones Win64 console program

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yeohhs



Joined: 19 Jan 2004
Posts: 195
Location: N 5.43564° E 100.3091°
yeohhs 07 Jan 2018, 10:21
Code:
;===============================================================================
;Program : w64g00
;Version : 0.0.1
;Author  : Yeoh HS
;Date    : 7 January 2018
;Purpose : a bare-bones Win64 console program. 
;fasmg   : i17sx
;===============================================================================
include 'format/format.inc'

format PE64 Console
entry start

section '.text' code readable executable

  start:
        sub     rsp,8*5         
    
        xor    ecx, ecx                        ; not  push      0
        call    [ExitProcess]

section '.idata' import data readable writeable

  dd 0,0,0,RVA kernel_name,RVA kernel_table
  dd 0,0,0,0,0

  kernel_table:
    ExitProcess dq RVA _ExitProcess
    dq 0
    
  kernel_name db 'Kernel32.dll',0
  
  _ExitProcess dw 0
    db 'ExitProcess',0
    


Last edited by yeohhs on 07 Jan 2018, 12:43; edited 1 time in total
Post 07 Jan 2018, 10:21
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 20430
Location: In your JS exploiting you and your system
revolution 07 Jan 2018, 12:27
Instead of "push 0" you should put the value into RCX.
Code:
xor ecx,ecx
call [ExitProcess]    
Post 07 Jan 2018, 12:27
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yeohhs



Joined: 19 Jan 2004
Posts: 195
Location: N 5.43564° E 100.3091°
yeohhs 07 Jan 2018, 12:39
Very Happy Thanks!
Post 07 Jan 2018, 12:39
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