The Little Black Book of Computer Viruses phần 8 potx

... Viruses :106F8000BB357A8A073C807502B004B303F6E3058B :106F900041718BD88A2F8A77018A4F028A56068BD5 :106FA0005E0A8B46028EC0B801029CFF1E00708AEA :106FB000460C3C01746C5D071F5A595B 588 1C30035 :106FC0000250FEC8FEC 180 FA8075345351525657A4 :106FD0001E55061FC607008BF38BFB47B400BB0092 :106FE00002F7E38BC849F3A4F89C 588 946145D1F47 :106FF0005F5E5A595B58B400FEC 981 EB0002CF9C1A :107000002EFF1E007050558B...

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

... ISBN 0 -89 588 - 381 -3. Similar to the above, for the 80 386 . 166 The Little Black Book of Computer Viruses Viruses, etc. Philip Fites, Peter Johnston, Martin Kratz, The Computer Virus Crisis 1 989 (Van ... 0-13-662453-7. Leo Scanlon, 80 86 /80 88/ 80 286 Assembly Language, (Brady/Prentice Hall, New York) 1 988 , ISBN 0-13-246919-7. C. Vieillefond, Programming the...

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...

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 ... CP/M was popular in the late seventies and early eighties as an operating system for microcomputers based on the 80 80 and Z80 microproc- 22 The Little Black...

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

... 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 ... If the BIOS doesn’t find a disk in drive A:, it looks for the hard disk drive C:, and tries to load 68 The Little Black Book of Computer Viruses Name Posi...

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...

Ngày tải lên: 14/08/2014, 18:22

... Viruses :10049000A2AF00FEC0A2FD00E80100C3E851007356 :1004A0004C803EFD0000743FFE0EFD00BFAF00BE5D :1004B000AA00E8BB004757E8760075235F32C0AA60 :1004C000BFAF00BB4F00A0FD00B22BF6E203D88BFC :1004D000F3E89C0057E8C4FF7412E8760074DDFE70 :1004E00006FD005F32C0AAB0010AC0C35F32C0C3BC :1004F000BA0600B41ACD21BFAF00BEA300E8700059 :1005000057BAAF00B93F00B44ECD210AC075195F8C :1005100047AABFAF00BE2400E855004F...

Ngày tải lên: 14/08/2014, 18:22

... 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 ... pop ax mov ss:[bp+20],ax 139 The Little Black Book of Computer Viruses ;to infect the drive. It has no safeguards to prevent infecting an already ;infected d...

Ngày tải lên: 14/08/2014, 18:22