slapper에서 사용한 ip 랜덤 생성기

 **PC에서 보셔야 잘보임니다. 

. slapper에서 사용한 ip 랜덤 생성기 

compile : gcc -o scan  scan.c 
 ex) ./scan 10
 ------------------------------------------------------------------------------
 /*
 brief program to show the output of the slapper
 worm's network scanner. all code bits taken from
 slapper but pared down and wrapped in a loop.
 */

#include <stdio.h> #include <unistd.h> #include <string.h> #include <stdlib.h> #include <stdarg.h> #include <unistd.h> int main(int argc, char **argv) { /*array from slapper*/ unsigned char classes[] = { 3, 4, 6, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 28, 29, 30, 32, 33, 34, 35, 38, 40, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 61, 62, 63, 64, 65, 66, 67, 68, 80, 81, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239}; int i; unsigned char a=0,b=0,c=0,d=0; /*seed the PRNG*/ srand(time(NULL)^getpid()); for (i = 1; i<atoi(argv[1]); i++) { /*from slapper s network generator*/ a=classes[rand()%(sizeof classes)]; b=rand(); c=0; d=0; printf("%d.%d.0.0 ", a, b); } exit(0); }