The Little Black Book of Computer Viruses phần 1 pot

... sort? Per- haps they are the electronic analog of the simplest one-celled 8 The Little Black Book of Computer Viruses The Little Black Book of Computer Viruses Volume One: The Basic Technology By ... has to put the program on 11 The Little Black Book of Computer Viruses The Basics of the Computer Virus A plethora of negative magaz...

Ngày tải lên: 14/08/2014, 18:22

... to FIND_FILE FINDBR FINDEXE FILE_OK FIRSTDIR NEXTDIR SUBDIR1 (CURRENT) SUBDIR2 SD 11 SD12 SD 21 SD 111 SD 112 SD1 21 SD 211 SD 111 2 SD 111 3 SD 211 1 SD 211 2 ROOT DIR Figure 12 : Logic of the file search routines. 62 The Little Black Book of Computer Viruses header has two parts to it, ... ah,ah SR1: nop int 1AH and al,63 ret 64 The Little Black Book of...

Ngày tải lên: 14/08/2014, 18:22

... 10 8 :10 07D000D8B41ACD 218 CC88ED8C3B443B000BAAFF8 :10 07E00000CD 218 80E0001B443B001BAAF00B100C2 :10 07F000CD21BAAF00B002B43DCD21A3FE00B45765 :10 08000032C08B1EFE00CD 218 90E 010 18 916 03 012 5 :10 0 810 00A12200A30701A12000A30501C38B160399 :10 082000 018 B0E 010 1B457B0 018 B1EFE00CD21B427 :10 0830003E8B1EFE00CD 218 A0E00 013 2EDB443B086 :0708400001BAAF00CD21C396 :00000001FF ......

Ngày tải lên: 14/08/2014, 18:22

... Viruses :10 6F8000BB357A8A073C807502B004B303F6E3058B :10 6F9000 417 18BD88A2F8A77 018 A4F028A56068BD5 :10 6FA0005E0A8B46028EC0B8 010 29CFF1E00708AEA :10 6FB000460C3C 017 46C5D071F5A595B5881C30035 :10 6FC0000250FEC8FEC180FA80753453 515 25657A4 :10 6FD0001E55061FC607008BF38BFB47B400BB0092 :10 6FE00002F7E38BC849F3A4F89C58894 614 5D1F47 :10 6FF0005F5E5A595B58B400FEC981EB0002CF9C1A :10 7...

Ngày tải lên: 14/08/2014, 18:22

... 16 2 The Little Black Book of Computer Viruses Computer Viruses, Artificial Life and Evolution By Mark A. Ludwig, 373 Pages, 19 93, $26.95 ISBN 0-929408-07 -1 Step into the 21st century where the ... Patrick Gelsinger, Programming the 80386 (Sybex, San Fransisco) 19 87, ISBN 0-89588-3 81- 3. Similar to the above, for the 80386. 16 6 The Little Black Boo...

Ngày tải lên: 14/08/2014, 18:22

... when they are correctly written. Which- ever assembler you decide to use, though, the viruses in this book 19 The Little Black Book of Computer Viruses use to a DOS programmer today. Some of it ... this 13 The Little Black Book of Computer Viruses computer locks up, with everything on it ruined, most anyone can figure out that they’ve been the victim...

Ngày tải lên: 14/08/2014, 18:22

... Found Yes No 34 The Little Black Book of Computer Viruses cx:dx is used as the offset from the end of the file. Since the first thing the virus must do is place its code at the end of the COM file it ... dx,OFFSET COMFILE;set offset of asciiz string mov cl,0000 011 0B ;set hidden and system attributes 32 The Little Black Book of Computer Viruses...

Ngày tải lên: 14/08/2014, 18:22

... + SEC_SIZE - 1] /SEC_SIZE and the size of the file in sectors. The file size in bytes is stored at the offset 1CH from the start of the directory entry at 0000:0500H. The number of sectors to ... boot sector which loads the oper- 70 The Little Black Book of Computer Viruses MOV DX ,1 ;read drive B MOV AX,201H ;read one sector MOV CX ,1 ;read Track 0, S...

Ngày tải lên: 14/08/2014, 18:22

... DOS 92 The Little Black Book of Computer Viruses VIRUS_START: call GET_START ;get start address ;This is a trick to determine the location of the start of the program. We put ;the address of GET_START ... knows the disk is infected. Otherwise it can infect the disk. The STEALTH virus uses its own code as an ID. It reads the boot sector and compares the 8...

Ngày tải lên: 14/08/2014, 18:22

... #1 60 OPEN DFNAME$ FOR RANDOM AS #2 LEN =1 70 FIELD 2, 1 AS O$ 80 E=0 90 LINECT=0 10 0 IF EOF (1) THEN GOTO 16 0 11 0 LINE INPUT #1, S$ 12 0 LINECT=LINECT +1 130 GOSUB 200 14 0 GOTO 10 0 15 0 IF E =1 THEN ... #2, ADDR%+J% 410 NEXT J% 15 3 The Little Black Book of Computer Viruses 420 H$=LEFT$(S$ ,11 +2*COUNT%) 430 H$=RIGHT$(H$,2) 440 GOSUB 540 450 CSUM%=CSUM%+X% 4...

Ngày tải lên: 14/08/2014, 18:22