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This commit is contained in:
Philippe Teuwen 2019-03-10 00:00:59 +01:00
commit 0373696662
483 changed files with 56514 additions and 52451 deletions
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41
armsrc/Standalone/lf_hidbrute.c
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@ -27,7 +27,8 @@
#include "lf_hidbrute.h"
// samy's sniff and repeat routine for LF
void RunMod() {
void RunMod()
{
StandAloneMode();
Dbprintf(">> LF HID corporate bruteforce a.k.a CorporateBrute Started <<");
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
@ -60,7 +61,7 @@ void RunMod() {
DbpString("[=] starting recording");
// wait for button to be released
while(BUTTON_PRESS())
while (BUTTON_PRESS())
WDT_HIT();
/* need this delay to prevent catching some weird data */
@ -76,8 +77,7 @@ void RunMod() {
// so next button push begins playing what we recorded
playing = 0;
cardRead = 1;
}
else if (button_pressed > 0 && cardRead == 1) {
} else if (button_pressed > 0 && cardRead == 1) {
LEDsoff();
LED(selected + 1, 0);
LED(LED_ORANGE, 0);
@ -86,7 +86,7 @@ void RunMod() {
Dbprintf("[=] cloning %x %x %08x", selected, high[selected], low[selected]);
// wait for button to be released
while(BUTTON_PRESS())
while (BUTTON_PRESS())
WDT_HIT();
/* need this delay to prevent catching some weird data */
@ -141,15 +141,13 @@ void RunMod() {
playing = !playing;
LEDsoff();
LED(selected + 1, 0);
}
else if (playing && selected == 2)
{
} else if (playing && selected == 2) {
// Now it work only with HID Corporate 1000 (35bit), but is easily extensible to others RFID.
// It is necessary only to calculate the correct parity.
// Brute force code
// Check if the badge is an HID Corporate 1000
if( (high[selected] & 0xFFFFFFF8) != 0x28 ) {
if ((high[selected] & 0xFFFFFFF8) != 0x28) {
DbpString("[-] Card is not a HID Corporate 1000. Skipping bruteforce.");
continue;
}
@ -162,7 +160,7 @@ void RunMod() {
// Calculate Facility Code and Card Number from high and low
uint32_t cardnum = (low[selected] >> 1) & 0xFFFFF;
uint32_t fc = ((high[selected] & 1 ) << 11 ) | (low[selected] >> 21);
uint32_t fc = ((high[selected] & 1) << 11) | (low[selected] >> 21);
uint32_t original_cardnum = cardnum;
Dbprintf("[=] Proxbrute - starting decrementing card number");
@ -235,7 +233,7 @@ void RunMod() {
LED(selected + 1, 0);
} else {
while(BUTTON_PRESS())
while (BUTTON_PRESS())
WDT_HIT();
}
}
@ -247,7 +245,8 @@ out:
}
// Function that calculate next value for the brutforce of HID corporate 1000
void hid_corporate_1000_calculate_checksum_and_set( uint32_t *high, uint32_t *low, uint32_t cardnum, uint32_t fc) {
void hid_corporate_1000_calculate_checksum_and_set(uint32_t *high, uint32_t *low, uint32_t cardnum, uint32_t fc)
{
uint32_t new_high = 0;
uint32_t new_low = 0;
@ -264,8 +263,8 @@ void hid_corporate_1000_calculate_checksum_and_set( uint32_t *high, uint32_t *lo
uint32_t parity_bit_34_low = new_low & 0xB6DB6DB6;
n_ones = 0;
// Calculate number of ones in low number
for ( i = 1; i != 0; i <<= 1) {
if( parity_bit_34_low & i )
for (i = 1; i != 0; i <<= 1) {
if (parity_bit_34_low & i)
n_ones++;
}
// Calculate number of ones in high number
@ -282,15 +281,15 @@ void hid_corporate_1000_calculate_checksum_and_set( uint32_t *high, uint32_t *lo
n_ones = 0;
// Calculate number of ones in low number
for ( i=1; i != 0; i <<= 1) {
if( parity_bit_1_low & i )
for (i = 1; i != 0; i <<= 1) {
if (parity_bit_1_low & i)
n_ones++;
}
// Calculate number of ones in high number
if ( new_high & 0x1)
if (new_high & 0x1)
n_ones++;
if ( new_high & 0x2)
if (new_high & 0x2)
n_ones++;
// Set parity bit (Odd parity)
@ -301,14 +300,14 @@ void hid_corporate_1000_calculate_checksum_and_set( uint32_t *high, uint32_t *lo
n_ones = 0;
// Calculate number of ones in low number (all bit of low, bitmask unnecessary)
for (i = 1; i != 0; i <<= 1) {
if ( new_low & i )
if (new_low & i)
n_ones++;
}
// Calculate number of ones in high number
if ( new_high & 0x1)
if (new_high & 0x1)
n_ones++;
if ( new_high & 0x2)
if (new_high & 0x2)
n_ones++;
// Set parity bit (Odd parity)