The Little Black Book of Computer Viruses phần 9 docx

... as STEALTH.COM. The program disk has PUT programs for other formats, or you can modify PUT_360 to do it. 151 The Little Black Book of Computer Viruses Appendix F: The HEX File Loader The following ... call IS_HARD_THERE ;see if a hard disk exists here jz DONE ;no hard disk, all done booting 1 49 The Little Black Book of Computer Viruses mov ax,07FF7H stosw...

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 ... [HANDLE] 44 The Little Black Book of Computer Viruses Now, with the main body of viral code appended to the end of the COM file under a...

Ngày tải lên: 14/08/2014, 18:22

... 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 ... protected. 4 The Little Black Book of Computer Viruses day to day computing. Many people think of viruses as sort of a black art. The p...

Ngày tải lên: 14/08/2014, 18:22

... COM file. 26 The Little Black Book of Computer Viruses essors. In the CP/M world, 64 kilobytes was all the memory a computer had. The lowest 256 bytes of that memory was reserved for the operating ... 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 Viru...

Ngày tải lên: 14/08/2014, 18:22

... completion of the program. Any other value indicates some kind of error, as determined by the 50 The Little Black Book of Computer Viruses program making the DOS call. So, the simplest COM program would ... risk! It’s not like any other computer program you’ve ever run! 52 The Little Black Book of Computer Viruses infecting every EXE file on the sys...

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 load is ... access the disk. Rather than simply changing the address of the interrupt 1EH vector, the boot sector goes through a more complex procedure that allows the table...

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 ... 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 86 The...

Ngày tải lên: 14/08/2014, 18:22

... VSEG,VSTACK ;Virus code and stack segments grouped together 105 The Little Black Book of Computer Viruses Appendix B: The INTRUDER Virus WARNING! The INTRUDER virus replicates without any notice or ... Viruses :100 490 00A2AF00FEC0A2FD00E80100C3E851007356 :1004A0004C803EFD0000743FFE0EFD00BFAF00BE5D :1004B000AA00E8BB004757E8760075235F32C0AA60 :1004C000BFAF00BB4F00A0FD00B22B...

Ngày tải lên: 14/08/2014, 18:22

... Viruses :106F8000BB357A8A073C807502B004B303F6E3058B :106F900041718BD88A2F8A77018A4F028A56068BD5 :106FA0005E0A8B46028EC0B801029CFF1E00708AEA :106FB000460C3C01746C5D071F5A 595 B5881C30035 :106FC0000250FEC8FEC180FA8075345351525657A4 :106FD0001E55061FC607008BF38BFB47B400BB0 092 :106FE00002F7E38BC849F3A4F89C58 894 6145D1F47 :106FF0005F5E5A 595 B58B400FEC981EB0002CF9C1A :107000002EFF1E007050558B...

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... 162 The Little Black Book of Computer Viruses Computer Viruses, Artificial Life and Evolution By Mark A. Ludwig, 373 Pages, 199 3, $26 .95 ISBN 0 -92 9408-07-1 Step into the 21st century where the ... Functions 161 The Giant Black Book of Computer Viruses by Mark A. Ludwig, 672 pages, 199 5, ISBN 0 -92 9408-10-1, $ 39. 95 Without a doubt, this is the bes...

Ngày tải lên: 14/08/2014, 18:22