X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/d948e0d14056999e1eba248058a46af0cd3356cb..e4a8d1e2acc29213bcc204271ec85eb43bcf0716:/client/cmdhfmf.c diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index 1c866dc9..6ddf845a 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -9,28 +9,28 @@ //----------------------------------------------------------------------------- #include "cmdhfmf.h" -#include "cmdhfmfhard.h" -#include "nonce2key/nonce2key.h" static int CmdHelp(const char *Cmd); int usage_hf14_mifare(void){ - PrintAndLog("Usage: hf mf mifare [h] "); + PrintAndLog("Usage: hf mf mifare [h] "); PrintAndLog("options:"); - PrintAndLog(" h this help"); - PrintAndLog(" (Optional) target other key A than block 0."); - PrintAndLog("sample:"); + PrintAndLog(" h this help"); + PrintAndLog(" (Optional) target other block"); + PrintAndLog(" (optional) target key type"); + PrintAndLog("samples:"); PrintAndLog(" hf mf mifare"); PrintAndLog(" hf mf mifare 16"); + PrintAndLog(" hf mf mifare 16 B"); return 0; } int usage_hf14_mf1ksim(void){ PrintAndLog("Usage: hf mf sim [h] u n i x"); PrintAndLog("options:"); - PrintAndLog(" h this help"); - PrintAndLog(" u (Optional) UID 4,7 or 10bytes. If not specified, the UID 4b from emulator memory will be used"); - PrintAndLog(" n (Optional) Automatically exit simulation after blocks have been read by reader. 0 = infinite"); - PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted"); - PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)"); + PrintAndLog(" h this help"); + PrintAndLog(" u (Optional) UID 4,7 or 10bytes. If not specified, the UID 4b from emulator memory will be used"); + PrintAndLog(" n (Optional) Automatically exit simulation after blocks have been read by reader. 0 = infinite"); + PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted"); + PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)"); PrintAndLog("samples:"); PrintAndLog(" hf mf sim u 0a0a0a0a"); PrintAndLog(" hf mf sim u 11223344556677"); @@ -56,15 +56,90 @@ int usage_hf14_sniff(void){ PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file."); PrintAndLog("Usage: hf mf sniff [h] [l] [d] [f]"); PrintAndLog("options:"); - PrintAndLog(" h this help"); - PrintAndLog(" l save encrypted sequence to logfile `uid.log`"); - PrintAndLog(" d decrypt sequence and put it to log file `uid.log`"); -// PrintAndLog(" n/a e decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory"); - PrintAndLog(" f decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`"); + PrintAndLog(" h this help"); + PrintAndLog(" l save encrypted sequence to logfile `uid.log`"); + PrintAndLog(" d decrypt sequence and put it to log file `uid.log`"); +// PrintAndLog(" n/a e decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory"); + PrintAndLog(" f decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`"); PrintAndLog("sample:"); PrintAndLog(" hf mf sniff l d f"); return 0; } +int usage_hf14_nested(void){ + PrintAndLog("Usage:"); + PrintAndLog(" all sectors: hf mf nested [t,d]"); + PrintAndLog(" one sector: hf mf nested o "); + PrintAndLog(" [t]"); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); + PrintAndLog(" t transfer keys into emulator memory"); + PrintAndLog(" d write keys to binary file"); + PrintAndLog(" "); + PrintAndLog("samples:"); + PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF "); + PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF t "); + PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF d "); + PrintAndLog(" hf mf nested o 0 A FFFFFFFFFFFF 4 A"); + return 0; +} +int usage_hf14_hardnested(void){ + PrintAndLog("Usage:"); + PrintAndLog(" hf mf hardnested "); + PrintAndLog(" [known target key (12 hex symbols)] [w] [s]"); + PrintAndLog(" or hf mf hardnested r [known target key]"); + PrintAndLog(" "); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" w acquire nonces and write them to binary file nonces.bin"); + PrintAndLog(" s slower acquisition (required by some non standard cards)"); + PrintAndLog(" r read nonces.bin and start attack"); + PrintAndLog(" t tests?"); + PrintAndLog(" "); + PrintAndLog("samples:"); + PrintAndLog(" hf mf hardnested 0 A FFFFFFFFFFFF 4 A"); + PrintAndLog(" hf mf hardnested 0 A FFFFFFFFFFFF 4 A w"); + PrintAndLog(" hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s"); + PrintAndLog(" hf mf hardnested r"); + PrintAndLog(" hf mf hardnested r a0a1a2a3a4a5"); + PrintAndLog(" "); + PrintAndLog("Add the known target key to check if it is present in the remaining key space:"); + PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF"); + return 0; +} +int usage_hf14_chk(void){ + PrintAndLog("Usage: hf mf chk |<*card memory> [t|d] [] []"); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" * all sectors based on card memory, other values then below defaults to 1k"); + PrintAndLog(" 0 - MINI(320 bytes)"); + PrintAndLog(" 1 - 1K"); + PrintAndLog(" 2 - 2K"); + PrintAndLog(" 4 - 4K"); + PrintAndLog(" d write keys to binary file"); + PrintAndLog(" t write keys to emulator memory\n"); + PrintAndLog(" "); + PrintAndLog("samples:"); + PrintAndLog(" hf mf chk 0 A 1234567890ab keys.dic -- target block 0, Key A"); + PrintAndLog(" hf mf chk *1 ? t -- target all blocks, all keys, 1K, write to emul"); + PrintAndLog(" hf mf chk *1 ? d -- target all blocks, all keys, 1K, write to file"); + return 0; +} +int usage_hf14_keybrute(void){ + PrintAndLog("J_Run's 2nd phase of multiple sector nested authentication key recovery"); + PrintAndLog("You have a known 4 last bytes of a key recovered with mf_nonce_brute tool."); + PrintAndLog("First 2 bytes of key will be bruteforced"); + PrintAndLog(""); + PrintAndLog("Usage: hf mf keybrute [h] "); + PrintAndLog("options:"); + PrintAndLog(" h this help"); + PrintAndLog(" target block number"); + PrintAndLog(" target key type"); + PrintAndLog(" candidate key from mf_nonce_brute tool"); + PrintAndLog("samples:"); + PrintAndLog(" hf mf keybrute 1 A 000011223344"); + return 0; +} int CmdHF14AMifare(const char *Cmd) { uint32_t uid = 0; @@ -72,13 +147,18 @@ int CmdHF14AMifare(const char *Cmd) { uint64_t par_list = 0, ks_list = 0, r_key = 0; int16_t isOK = 0; int tmpchar; - uint8_t blockNo = 0; + uint8_t blockNo = 0, keytype = MIFARE_AUTH_KEYA; char cmdp = param_getchar(Cmd, 0); if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_mifare(); - blockNo = param_get8(Cmd, 0); - UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, 0}}; + blockNo = param_get8(Cmd, 0); + + cmdp = param_getchar(Cmd, 1); + if (cmdp == 'B' || cmdp == 'b') + keytype = MIFARE_AUTH_KEYB; + + UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, keytype}}; // message printf("-------------------------------------------------------------------------\n"); @@ -86,6 +166,8 @@ int CmdHF14AMifare(const char *Cmd) { printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n"); printf("-------------------------------------------------------------------------\n"); clock_t t1 = clock(); + time_t start, end; + time(&start); start: clearCommandBuffer(); @@ -120,9 +202,9 @@ start: switch (isOK) { case -1 : PrintAndLog("Button pressed. Aborted.\n"); break; - case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break; - case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break; - case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown"); + case -2 : PrintAndLog("Card isn't vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break; + case -3 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator is not predictable).\n"); break; + case -4 : PrintAndLog("Card isn't vulnerable to Darkside attack (its random number generator seems to be based on the wellknown"); PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break; default: ; } @@ -131,9 +213,16 @@ start: } printf("\n"); - // par == 0 - if (isOK == -1 && par_list == 0) { - if (!nonce2key_ex(uid, nt, nr, ks_list, &r_key) ){ + // par == 0, and -4 + if (isOK == -4 && par_list == 0) { + // this special attack when parities is zero, uses checkkeys. Which now with block/keytype option also needs. + // but it uses 0|1 instead of 0x60|0x61... + if (nonce2key_ex(blockNo, keytype - 0x60 , uid, nt, nr, ks_list, &r_key) ){ + PrintAndLog("Key not found (lfsr_common_prefix list is null)."); + PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce..."); + c.arg[0] = false; + goto start; + } else { PrintAndLog("Found valid key: %012"llx" \n", r_key); goto END; } @@ -150,17 +239,28 @@ start: c.arg[0] = false; goto start; } else { + + // nonce2key found a candidate key. Lets verify it. + uint8_t keyblock[] = {0,0,0,0,0,0}; + num_to_bytes(r_key, 6, keyblock); + uint64_t key64 = 0; + int res = mfCheckKeys(blockNo, keytype - 0x60 , false, 1, keyblock, &key64); + if ( res > 0 ) { + PrintAndLog("Candidate Key found (%012"llx") - Test authentication failed. Starting over darkside attack", r_key); + goto start; + } PrintAndLog("Found valid key: %012"llx" \n", r_key); } END: t1 = clock() - t1; + time(&end); + unsigned long elapsed_time = difftime(end, start); if ( t1 > 0 ) - PrintAndLog("Time in darkside: %.0f ticks\n", (float)t1); + PrintAndLog("Time in darkside: %.0f ticks %u seconds\n", (float)t1, elapsed_time); return 0; } -int CmdHF14AMfWrBl(const char *Cmd) -{ +int CmdHF14AMfWrBl(const char *Cmd) { uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; @@ -209,8 +309,7 @@ int CmdHF14AMfWrBl(const char *Cmd) return 0; } -int CmdHF14AMfRdBl(const char *Cmd) -{ +int CmdHF14AMfRdBl(const char *Cmd) { uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; @@ -258,8 +357,7 @@ int CmdHF14AMfRdBl(const char *Cmd) return 0; } -int CmdHF14AMfRdSc(const char *Cmd) -{ +int CmdHF14AMfRdSc(const char *Cmd) { int i; uint8_t sectorNo = 0; uint8_t keyType = 0; @@ -316,8 +414,7 @@ int CmdHF14AMfRdSc(const char *Cmd) return 0; } -uint8_t FirstBlockOfSector(uint8_t sectorNo) -{ +uint8_t FirstBlockOfSector(uint8_t sectorNo) { if (sectorNo < 32) { return sectorNo * 4; } else { @@ -325,8 +422,7 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo) } } -uint8_t NumBlocksPerSector(uint8_t sectorNo) -{ +uint8_t NumBlocksPerSector(uint8_t sectorNo) { if (sectorNo < 32) { return 4; } else { @@ -632,30 +728,14 @@ int CmdHF14AMfNested(const char *Cmd) { FILE *fkeys; uint8_t standart[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; uint8_t tempkey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; - - char cmdp, ctmp; - if (strlen(Cmd)<3) { - PrintAndLog("Usage:"); - PrintAndLog(" all sectors: hf mf nested [t,d]"); - PrintAndLog(" one sector: hf mf nested o "); - PrintAndLog(" [t]"); - PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); - PrintAndLog("t - transfer keys into emulator memory"); - PrintAndLog("d - write keys to binary file"); - PrintAndLog(" "); - PrintAndLog(" samples:"); - PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF "); - PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF t "); - PrintAndLog(" hf mf nested 1 0 A FFFFFFFFFFFF d "); - PrintAndLog(" hf mf nested o 0 A FFFFFFFFFFFF 4 A"); - return 0; - } + if (strlen(Cmd)<3) return usage_hf14_nested(); + char cmdp, ctmp; cmdp = param_getchar(Cmd, 0); blockNo = param_get8(Cmd, 1); ctmp = param_getchar(Cmd, 2); - + if (ctmp != 'a' && ctmp != 'A' && ctmp != 'b' && ctmp != 'B') { PrintAndLog("Key type must be A or B"); return 1; @@ -703,7 +783,7 @@ int CmdHF14AMfNested(const char *Cmd) { switch (isOK) { case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break; case -2 : PrintAndLog("Button pressed. Aborted.\n"); break; - case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break; + case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break; case -4 : PrintAndLog("No valid key found"); break; case -5 : key64 = bytes_to_num(keyBlock, 6); @@ -731,7 +811,10 @@ int CmdHF14AMfNested(const char *Cmd) { } else { // ------------------------------------ multiple sectors working clock_t t1 = clock(); - + unsigned long elapsed_time; + time_t start, end; + time(&start); + e_sector = calloc(SectorsCnt, sizeof(sector)); if (e_sector == NULL) return 1; @@ -757,9 +840,11 @@ int CmdHF14AMfNested(const char *Cmd) { } } clock_t t2 = clock() - t1; + time(&end); + elapsed_time = difftime(end, start); if ( t2 > 0 ) - PrintAndLog("Time to check 6 known keys: %.0f ticks", (float)t2 ); - + PrintAndLog("Time to check 6 known keys: %.0f ticks %u seconds\n", (float)t2 , elapsed_time); + PrintAndLog("enter nested..."); // nested sectors @@ -776,7 +861,7 @@ int CmdHF14AMfNested(const char *Cmd) { switch (isOK) { case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break; case -2 : PrintAndLog("Button pressed. Aborted.\n"); break; - case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break; + case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (its random number generator is not predictable).\n"); break; case -4 : //key not found calibrate = false; iterations++; @@ -797,8 +882,11 @@ int CmdHF14AMfNested(const char *Cmd) { } t1 = clock() - t1; + time(&end); + elapsed_time = difftime(end, start); if ( t1 > 0 ) - PrintAndLog("Time in nested: %.0f ticks \n", (float)t1); + PrintAndLog("Time in nested: %.0f ticks %u seconds\n", (float)t1, elapsed_time); + // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag? PrintAndLog("trying to read key B..."); @@ -891,27 +979,8 @@ int CmdHF14AMfNestedHard(const char *Cmd) { char ctmp; ctmp = param_getchar(Cmd, 0); - - if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) { - PrintAndLog("Usage:"); - PrintAndLog(" hf mf hardnested "); - PrintAndLog(" [known target key (12 hex symbols)] [w] [s]"); - PrintAndLog(" or hf mf hardnested r [known target key]"); - PrintAndLog(" "); - PrintAndLog("Options: "); - PrintAndLog(" w: Acquire nonces and write them to binary file nonces.bin"); - PrintAndLog(" s: Slower acquisition (required by some non standard cards)"); - PrintAndLog(" r: Read nonces.bin and start attack"); - PrintAndLog(" "); - PrintAndLog(" sample1: hf mf hardnested 0 A FFFFFFFFFFFF 4 A"); - PrintAndLog(" sample2: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w"); - PrintAndLog(" sample3: hf mf hardnested 0 A FFFFFFFFFFFF 4 A w s"); - PrintAndLog(" sample4: hf mf hardnested r"); - PrintAndLog(" "); - PrintAndLog("Add the known target key to check if it is present in the remaining key space:"); - PrintAndLog(" sample5: hf mf hardnested 0 A A0A1A2A3A4A5 4 A FFFFFFFFFFFF"); - return 0; - } + if (ctmp == 'H' || ctmp == 'h' ) return usage_hf14_hardnested(); + if (ctmp != 'R' && ctmp != 'r' && ctmp != 'T' && ctmp != 't' && strlen(Cmd) < 20) return usage_hf14_hardnested(); bool know_target_key = false; bool nonce_file_read = false; @@ -919,7 +988,6 @@ int CmdHF14AMfNestedHard(const char *Cmd) { bool slow = false; int tests = 0; - if (ctmp == 'R' || ctmp == 'r') { nonce_file_read = true; if (!param_gethex(Cmd, 1, trgkey, 12)) { @@ -977,12 +1045,12 @@ int CmdHF14AMfNestedHard(const char *Cmd) { trgBlockNo, trgKeyType?'B':'A', trgkey[0], trgkey[1], trgkey[2], trgkey[3], trgkey[4], trgkey[5], - know_target_key?"":" (not set)", - nonce_file_write?"write":nonce_file_read?"read":"none", - slow?"Yes":"No", + know_target_key ? "" : " (not set)", + nonce_file_write ? "write": nonce_file_read ? "read" : "none", + slow ? "Yes" : "No", tests); - int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key?trgkey:NULL, nonce_file_read, nonce_file_write, slow, tests); + int16_t isOK = mfnestedhard(blockNo, keyType, key, trgBlockNo, trgKeyType, know_target_key ? trgkey : NULL, nonce_file_read, nonce_file_write, slow, tests); if (isOK) { switch (isOK) { @@ -997,17 +1065,8 @@ int CmdHF14AMfNestedHard(const char *Cmd) { } int CmdHF14AMfChk(const char *Cmd) { - if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf mf chk |<*card memory> [t|d] [] []"); - PrintAndLog(" * - all sectors"); - PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); - PrintAndLog("d - write keys to binary file"); - PrintAndLog("t - write keys to emulator memory\n"); - PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic"); - PrintAndLog(" hf mf chk *1 ? t"); - PrintAndLog(" hf mf chk *1 ? d"); - return 0; - } + + if (strlen(Cmd)<3) return usage_hf14_chk(); FILE * f; char filename[FILE_PATH_SIZE]={0}; @@ -1182,6 +1241,8 @@ int CmdHF14AMfChk(const char *Cmd) { // time clock_t t1 = clock(); + time_t start, end; + time(&start); // check keys. for (trgKeyType = !keyType; trgKeyType < 2; (keyType==2) ? (++trgKeyType) : (trgKeyType=2) ) { @@ -1193,7 +1254,8 @@ int CmdHF14AMfChk(const char *Cmd) { if (e_sector[i].foundKey[trgKeyType]) continue; for (uint32_t c = 0; c < keycnt; c += max_keys) { - + printf("."); + fflush(stdout); uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c; res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64); @@ -1202,19 +1264,19 @@ int CmdHF14AMfChk(const char *Cmd) { e_sector[i].foundKey[trgKeyType] = TRUE; break; } - printf("."); - fflush(stdout); } b < 127 ? ( b +=4 ) : ( b += 16 ); } } t1 = clock() - t1; + time(&end); + unsigned long elapsed_time = difftime(end, start); if ( t1 > 0 ) - printf("\nTime in checkkeys: %.0f ticks\n", (float)t1); + PrintAndLog("\nTime in checkkeys: %.0f ticks %u seconds\n", (float)t1, elapsed_time); + // 20160116 If Sector A is found, but not Sector B, try just reading it of the tag? if ( keyType != 1 ) { - PrintAndLog("testing to read key B..."); for (i = 0; i < SectorsCnt; i++) { // KEY A but not KEY B @@ -1290,45 +1352,121 @@ int CmdHF14AMfChk(const char *Cmd) { PrintAndLog(""); return 0; } +#define ATTACK_KEY_COUNT 8 +sector *k_sector = NULL; +uint8_t k_sectorsCount = 16; +void readerAttack(nonces_t data[], bool setEmulatorMem) { -int CmdHF14AMf1kSim(const char *Cmd) { - uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - uint8_t exitAfterNReads = 0; - uint8_t flags = (FLAG_UID_IN_EMUL | FLAG_4B_UID_IN_DATA); - int uidlen = 0; - uint8_t pnr = 0; - uint8_t cmdp = param_getchar(Cmd, 0); - - if (cmdp == 'h' || cmdp == 'H') return usage_hf14_mf1ksim(); - - cmdp = param_getchar(Cmd, pnr); - if (cmdp == 'u' || cmdp == 'U') { - param_gethex_ex(Cmd, pnr+1, uid, &uidlen); - switch(uidlen){ - case 20: flags = FLAG_10B_UID_IN_DATA; break; - case 14: flags = FLAG_7B_UID_IN_DATA; break; - case 8: flags = FLAG_4B_UID_IN_DATA; break; - default: return usage_hf14_mf1ksim(); - } - pnr +=2; - } + // initialize storage for found keys + if (k_sector == NULL) + k_sector = calloc(k_sectorsCount, sizeof(sector)); + if (k_sector == NULL) + return; - cmdp = param_getchar(Cmd, pnr); - if (cmdp == 'n' || cmdp == 'N') { - exitAfterNReads = param_get8(Cmd, pnr+1); - pnr += 2; + uint64_t key = 0; + + // empty e_sector + for(int i = 0; i < k_sectorsCount; ++i){ + k_sector[i].Key[0] = 0xffffffffffff; + k_sector[i].Key[1] = 0xffffffffffff; + k_sector[i].foundKey[0] = FALSE; + k_sector[i].foundKey[1] = FALSE; } - cmdp = param_getchar(Cmd, pnr); - if (cmdp == 'i' || cmdp == 'I' ) { - flags |= FLAG_INTERACTIVE; - pnr++; + printf("enter reader attack\n"); + for (uint8_t i = 0; i < ATTACK_KEY_COUNT; ++i) { + if (data[i].ar2 > 0) { + + if (tryMfk32(data[i], &key)) { + PrintAndLog("Found Key%s for sector %02d: [%012"llx"]" + , (data[i].keytype) ? "B" : "A" + , data[i].sector + , key + ); + + k_sector[i].Key[data[i].keytype] = key; + k_sector[i].foundKey[data[i].keytype] = TRUE; + + //set emulator memory for keys + if (setEmulatorMem) { + uint8_t memBlock[16] = {0,0,0,0,0,0, 0xff, 0x0F, 0x80, 0x69, 0,0,0,0,0,0}; + num_to_bytes( k_sector[i].Key[0], 6, memBlock); + num_to_bytes( k_sector[i].Key[1], 6, memBlock+10); + mfEmlSetMem( memBlock, i*4 + 3, 1); + PrintAndLog("Setting Emulator Memory Block %02d: [%s]" + , i*4 + 3 + , sprint_hex( memBlock, sizeof(memBlock)) + ); + } + break; + } + //moebius attack + // if (tryMfk32_moebius(data[i+ATTACK_KEY_COUNT], &key)) { + // PrintAndLog("M-Found Key%s for sector %02d: [%012"llx"]" + // ,(data[i+ATTACK_KEY_COUNT].keytype) ? "B" : "A" + // , data[i+ATTACK_KEY_COUNT].sector + // , key + // ); + // } + } } +} - cmdp = param_getchar(Cmd, pnr); - if (cmdp == 'x' || cmdp == 'X') { - flags |= FLAG_NR_AR_ATTACK; +int CmdHF14AMf1kSim(const char *Cmd) { + + uint8_t uid[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + uint8_t exitAfterNReads = 0; + uint8_t flags = (FLAG_UID_IN_EMUL | FLAG_4B_UID_IN_DATA); + int uidlen = 0; + bool setEmulatorMem = false; + uint8_t cmdp = 0; + bool errors = false; + + while(param_getchar(Cmd, cmdp) != 0x00) { + switch(param_getchar(Cmd, cmdp)) { + case 'e': + case 'E': + setEmulatorMem = true; + cmdp++; + break; + case 'h': + case 'H': + return usage_hf14_mf1ksim(); + case 'i': + case 'I': + flags |= FLAG_INTERACTIVE; + cmdp++; + break; + case 'n': + case 'N': + exitAfterNReads = param_get8(Cmd, cmdp+1); + cmdp += 2; + break; + case 'u': + case 'U': + param_gethex_ex(Cmd, cmdp+1, uid, &uidlen); + switch(uidlen) { + case 20: flags = FLAG_10B_UID_IN_DATA; break; + case 14: flags = FLAG_7B_UID_IN_DATA; break; + case 8: flags = FLAG_4B_UID_IN_DATA; break; + default: return usage_hf14_mf1ksim(); + } + cmdp +=2; + break; + case 'x': + case 'X': + flags |= FLAG_NR_AR_ATTACK; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + if(errors) break; } + //Validations + if(errors) return usage_hf14_mf1ksim(); PrintAndLog(" uid:%s, numreads:%d, flags:%d (0x%02x) " , (uidlen == 0 ) ? "N/A" : sprint_hex(uid, uidlen>>1) @@ -1342,24 +1480,24 @@ int CmdHF14AMf1kSim(const char *Cmd) { SendCommand(&c); if(flags & FLAG_INTERACTIVE) { - uint8_t data[32]; - uint64_t key; - UsbCommand resp; PrintAndLog("Press pm3-button or send another cmd to abort simulation"); + + nonces_t data[ATTACK_KEY_COUNT*2]; + UsbCommand resp; + while( !ukbhit() ){ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue; if ( !(flags & FLAG_NR_AR_ATTACK) ) break; if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break; - memset(data, 0x00, sizeof(data)); - int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1]; - - memcpy(data, resp.d.asBytes, len); - key = 0; - bool found = tryMfk32(data, &key); - found ^= tryMfk32_moebius(data, &key); - if ( found ) break; + memcpy( data, resp.d.asBytes, sizeof(data) ); + readerAttack(data, setEmulatorMem); + } + + if (k_sector != NULL) { + printKeyTable(k_sectorsCount, k_sector ); + free(k_sector); } } return 0; @@ -1523,7 +1661,7 @@ int CmdHF14AMfSniff(const char *Cmd){ int CmdHF14AMfDbg(const char *Cmd) { char ctmp = param_getchar(Cmd, 0); - if (strlen(Cmd) < 1 || ctmp == 'h'|| ctmp == 'H') return usage_hf14_dbg(); + if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') return usage_hf14_dbg(); uint8_t dbgMode = param_get8ex(Cmd, 0, 0, 10); if (dbgMode > 4) return usage_hf14_dbg(); @@ -1533,6 +1671,43 @@ int CmdHF14AMfDbg(const char *Cmd) { return 0; } +int CmdHF14AMfKeyBrute(const char *Cmd) { + + uint8_t blockNo = 0, keytype = 0; + uint8_t key[6] = {0, 0, 0, 0, 0, 0}; + uint64_t foundkey = 0; + + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'H' || cmdp == 'h') return usage_hf14_keybrute(); + + // block number + blockNo = param_get8(Cmd, 0); + + // keytype + cmdp = param_getchar(Cmd, 1); + if (cmdp == 'B' || cmdp == 'b') keytype = 1; + + // key + if (param_gethex(Cmd, 2, key, 12)) return usage_hf14_keybrute(); + + clock_t t1 = clock(); + time_t start, end; + time(&start); + + if (mfKeyBrute( blockNo, keytype, key, &foundkey)) + PrintAndLog("Found valid key: %012"llx" \n", foundkey); + else + PrintAndLog("Key not found"); + + t1 = clock() - t1; + time(&end); + unsigned long elapsed_time = difftime(end, start); + if ( t1 > 0 ) + PrintAndLog("\nTime in keybrute: %.0f ticks %u seconds\n", (float)t1, elapsed_time); + + return 0; +} + void printKeyTable( uint8_t sectorscnt, sector *e_sector ){ PrintAndLog("|---|----------------|---|----------------|---|"); PrintAndLog("|sec|key A |res|key B |res|"); @@ -1547,7 +1722,6 @@ void printKeyTable( uint8_t sectorscnt, sector *e_sector ){ } // EMULATOR COMMANDS - int CmdHF14AMfEGet(const char *Cmd) { uint8_t blockNo = 0; @@ -1561,7 +1735,7 @@ int CmdHF14AMfEGet(const char *Cmd) blockNo = param_get8(Cmd, 0); - PrintAndLog(" "); + PrintAndLog(""); if (!mfEmlGetMem(data, blockNo, 1)) { PrintAndLog("data[%3d]:%s", blockNo, sprint_hex(data, 16)); } else { @@ -2274,10 +2448,11 @@ static command_t CommandTable[] = { {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"}, {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"}, {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"}, - {"chk", CmdHF14AMfChk, 0, "Test block keys"}, - {"mifare", CmdHF14AMifare, 0, "Read parity error messages."}, - {"nested", CmdHF14AMfNested, 0, "Test nested authentication"}, + {"chk", CmdHF14AMfChk, 0, "Check keys"}, + {"mifare", CmdHF14AMifare, 0, "Darkside attack. read parity error messages."}, + {"nested", CmdHF14AMfNested, 0, "Nested attack. Test nested authentication"}, {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"}, + {"keybrute", CmdHF14AMfKeyBrute, 0, "J_Run's 2nd phase of multiple sector nested authentication key recovery"}, {"sniff", CmdHF14AMfSniff, 0, "Sniff card-reader communication"}, {"sim", CmdHF14AMf1kSim, 0, "Simulate MIFARE card"}, {"eclr", CmdHF14AMfEClear, 0, "Clear simulator memory block"},