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AP obfuscation attack

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This commit is contained in:
Just Call Me Koko
2022-06-18 03:22:13 -04:00
parent 2468abba22
commit 01b0520aec
4 changed files with 49 additions and 41 deletions
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80
esp32_marauder/WiFiScan.cpp
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@@ -517,10 +517,10 @@ void WiFiScan::RunAPScan(uint8_t scan_mode, uint16_t color)
esp_wifi_start();
esp_wifi_set_promiscuous(true);
esp_wifi_set_promiscuous_filter(&filt);
if (scan_mode == WIFI_SCAN_TARGET_AP_FULL)
esp_wifi_set_promiscuous_rx_cb(&apSnifferCallbackFull);
else
esp_wifi_set_promiscuous_rx_cb(&apSnifferCallback);
//if (scan_mode == WIFI_SCAN_TARGET_AP_FULL)
esp_wifi_set_promiscuous_rx_cb(&apSnifferCallbackFull);
//else
// esp_wifi_set_promiscuous_rx_cb(&apSnifferCallback);
esp_wifi_set_channel(set_channel, WIFI_SECOND_CHAN_NONE);
this->wifi_initialized = true;
initTime = millis();
@@ -1389,13 +1389,15 @@ void WiFiScan::apSnifferCallbackFull(void* buf, wifi_promiscuous_pkt_type_t type
ap.beacon = new LinkedList<char>();
for (int i = 0; i < len; i++) {
ap.beacon->add(snifferPacket->payload[i]);
}
//for (int i = 0; i < len; i++) {
// ap.beacon->add(snifferPacket->payload[i]);
//}
ap.beacon->add(snifferPacket->payload[34]);
ap.beacon->add(snifferPacket->payload[35]);
//Serial.println("\nBeacon: ");
Serial.print("\nBeacon: ");
/*for (int i = 0; i < len; i++) {
for (int i = 0; i < ap.beacon->size(); i++) {
char hexCar[4];
sprintf(hexCar, "%02X", ap.beacon->get(i));
Serial.print(hexCar);
@@ -1403,7 +1405,7 @@ void WiFiScan::apSnifferCallbackFull(void* buf, wifi_promiscuous_pkt_type_t type
Serial.print("\n");
else
Serial.print(" ");
}*/
}
access_points->add(ap);
@@ -1867,49 +1869,53 @@ void WiFiScan::broadcastCustomBeacon(uint32_t current_time, AccessPoint custom_s
if (custom_ssid.beacon->size() == 0)
return;
uint8_t new_packet[custom_ssid.beacon->size()];
for (int i = 0; i < custom_ssid.beacon->size(); i++) {
new_packet[i] = custom_ssid.beacon->get(i);
}
// Randomize SRC MAC
new_packet[10] = new_packet[16] = random(256);
new_packet[11] = new_packet[17] = random(256);
new_packet[12] = new_packet[18] = random(256);
new_packet[13] = new_packet[19] = random(256);
new_packet[14] = new_packet[20] = random(256);
new_packet[15] = new_packet[21] = random(256);
// Randomize SRC MAC
packet[10] = packet[16] = random(256);
packet[11] = packet[17] = random(256);
packet[12] = packet[18] = random(256);
packet[13] = packet[19] = random(256);
packet[14] = packet[20] = random(256);
packet[15] = packet[21] = random(256);
//char ESSID[custom_ssid.essid.length() + 1] = {};
//custom_ssid.essid.toCharArray(ESSID, custom_ssid.essid.length() + 1);
char ESSID[custom_ssid.essid.length() + 1] = {};
custom_ssid.essid.toCharArray(ESSID, custom_ssid.essid.length() + 1);
//int ssidLen = strlen(ESSID);
int realLen = strlen(ESSID);
int ssidLen = random(realLen, 33);
int numSpace = ssidLen - realLen;
//int rand_len = sizeof(rand_reg);
//int fullLen = ssidLen;
//new_packet[37] = fullLen;
int fullLen = ssidLen;
packet[37] = fullLen;
// Insert my tag
//for(int i = 0; i < ssidLen; i++)
// new_packet[38 + i] = ESSID[i];
for(int i = 0; i < realLen; i++)
packet[38 + i] = ESSID[i];
for(int i = 0; i < numSpace; i++)
packet[38 + realLen + i] = 0x20;
/////////////////////////////
//new_packet[50 + fullLen] = set_channel;
packet[50 + fullLen] = set_channel;
//uint8_t postSSID[13] = {0x01, 0x08, 0x82, 0x84, 0x8b, 0x96, 0x24, 0x30, 0x48, 0x6c, //supported rate
// 0x03, 0x01, 0x04 /*DSSS (Current Channel)*/ };
uint8_t postSSID[13] = {0x01, 0x08, 0x82, 0x84, 0x8b, 0x96, 0x24, 0x30, 0x48, 0x6c, //supported rate
0x03, 0x01, 0x04 /*DSSS (Current Channel)*/ };
// Add everything that goes after the SSID
//for(int i = 0; i < 12; i++)
// packet[38 + fullLen + i] = postSSID[i];
packet[34] = custom_ssid.beacon->get(0);
packet[35] = custom_ssid.beacon->get(1);
esp_wifi_80211_tx(WIFI_IF_AP, new_packet, sizeof(new_packet), false);
esp_wifi_80211_tx(WIFI_IF_AP, new_packet, sizeof(new_packet), false);
esp_wifi_80211_tx(WIFI_IF_AP, new_packet, sizeof(new_packet), false);
esp_wifi_80211_tx(WIFI_IF_AP, packet, sizeof(packet), false);
esp_wifi_80211_tx(WIFI_IF_AP, packet, sizeof(packet), false);
esp_wifi_80211_tx(WIFI_IF_AP, packet, sizeof(packet), false);
packets_sent = packets_sent + 3;
}
@@ -2805,8 +2811,10 @@ void WiFiScan::main(uint32_t currentTime)
}
}
else if ((currentScanMode == WIFI_ATTACK_AP_SPAM)) {
for (int i = 0; i < access_points->size(); i++)
this->broadcastCustomBeacon(currentTime, access_points->get(i));
for (int i = 0; i < access_points->size(); i++) {
if (access_points->get(i).selected)
this->broadcastCustomBeacon(currentTime, access_points->get(i));
}
if (currentTime - initTime >= 1000) {
initTime = millis();