The Little Black Book of Computer Viruses phần 7 pot

... enlarging it. 109 The Little Black Book of Computer Viruses :10049000A2AF00FEC0A2FD00E80100C3E8510 073 56 :1004A0004C803EFD000 074 3FFE0EFD00BFAF00BE5D :1004B000AA00E8BB00 475 7E 876 0 075 235F32C0AA60 :1004C000BFAF00BB4F00A0FD00B22BF6E203D88BFC :1004D000F3E89C0057E8C4FF7412E 876 0 074 DDFE70 :1004E00006FD005F32C0AAB0010AC0C35F32C0C3BC :1004F000BA0600B41ACD21BFAF00BEA300E 870 00...

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

... 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

... Viruses :106F8000BB357A8A 073 C8 075 02B004B303F6E3058B :106F90004 171 8BD88A2F8A 770 18A4F028A56068BD5 :106FA0005E0A8B46028EC0B801029CFF1E0 070 8AEA :106FB000460C3C0 174 6C5D 071 F5A595B5881C30035 :106FC0000250FEC8FEC180FA8 075 345351525657A4 :106FD0001E55061FC6 070 08BF38BFB47B400BB0092 :106FE00002F7E38BC849F3A4F89C588946145D1F 47 :106FF0005F5E5A595B58B400FEC981EB0002CF9C1A :1 070 00002E...

Ngày tải lên: 14/08/2014, 18:22

... motor startup is 156 The Little Black Book of Computer Viruses In all, this CD is one of the most fascinating collections of secret underground computer software on earth—a full 1 57 megabytes in total. We ... and 7 - Not used Function 47H: Get Current Directory Registers: ah = 47H 162 The Little Black Book of Computer Viruses Computer Viruses, Arti...

Ngày tải lên: 14/08/2014, 18:22

... bytes) and so on. Potentially RAND_INSTR will need classes with very limited capability, like (1), so we should include them. At the other end of the scale, the fancier you want to get, the better. ... such techniques in the early 90’s. Some of the first viruses which employed such tech- niques were the 1260 or V2P2 series of viruses. Before long, a Bulgarian who called...

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 Virus...

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 ... 0000:7C00H. 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...

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 ... point of view) if it infects the diskette even when the disk is full, and it will have to overwrite a file to infect the disk 84 The Little Black...

Ngày tải lên: 14/08/2014, 18:22