mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-08-21 05:43:48 -07:00
Further improved the hardautopwn feature.
This commit is contained in:
Matthias Konrath
parent
407078d90a
commit
abb69e2dc9
1 changed files with 91 additions and 71 deletions
162
client/cmdhfmf.c
162
client/cmdhfmf.c
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@ -168,17 +168,16 @@ static int usage_hf14_hardnested(void) {
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}
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static int usage_hf14_hardautopwn(void) {
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PrintAndLogEx(NORMAL, "Usage:");
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PrintAndLogEx(NORMAL, " hf mf hardautopwn [k] <block number> <key A|B> <key (12 hex symbols)>");
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PrintAndLogEx(NORMAL, " <card memory> [d] [f] [s] [t] [i]");
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PrintAndLogEx(NORMAL, " hf mf hardautopwn [k] <sector number> <key A|B> <key (12 hex symbols)>");
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PrintAndLogEx(NORMAL, " * <card memory> [d] [f] [s] [t] [i]");
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PrintAndLogEx(NORMAL, " (card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K)");
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PrintAndLogEx(NORMAL, "");
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PrintAndLogEx(NORMAL, "Options:");
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PrintAndLogEx(NORMAL, " h this help");
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PrintAndLogEx(NORMAL, " k <block> <keytype> <key> if a known key for a block is supplied");
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PrintAndLogEx(NORMAL, " k <sector> <keytype> <key> if a known key for a block is supplied");
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PrintAndLogEx(NORMAL, " d write keys to binary file");
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PrintAndLogEx(NORMAL, " f <name> keys to test (speed up the cracking, if some keys are known)");
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PrintAndLogEx(NORMAL, " s slower acquisition (required by some non standard cards)");
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PrintAndLogEx(NORMAL, " t tests?");
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PrintAndLogEx(NORMAL, " i <X> set type of SIMD instructions. Without this flag programs autodetect it.");
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PrintAndLogEx(NORMAL, " i 5 = AVX512");
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PrintAndLogEx(NORMAL, " i 2 = AVX2");
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@ -188,9 +187,9 @@ static int usage_hf14_hardautopwn(void) {
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PrintAndLogEx(NORMAL, " i n = none (use CPU regular instruction set)");
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PrintAndLogEx(NORMAL, "");
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PrintAndLogEx(NORMAL, "Examples:");
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PrintAndLogEx(NORMAL, " hf mf hardautopwn b 0 A FFFFFFFFFFFF 1 d");
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PrintAndLogEx(NORMAL, " hf mf hardautopwn 0 A FFFFFFFFFFFF 1 d f default_keys.dic");
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PrintAndLogEx(NORMAL, " hf mf hardautopwn 0 A FFFFFFFFFFFF 4 A f nonces.bin w s");
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PrintAndLogEx(NORMAL, " hf mf hardautopwn k 0 A FFFFFFFFFFFF d");
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PrintAndLogEx(NORMAL, " hf mf hardautopwn k 0 A FFFFFFFFFFFF * 1 d f default_keys.dic");
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PrintAndLogEx(NORMAL, " hf mf hardautopwn k 0 A FFFFFFFFFFFF * 4 s i 5");
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PrintAndLogEx(NORMAL, "");
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return 0;
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}
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@ -1560,22 +1559,45 @@ static int CmdHF14AMfNestedHard(const char *Cmd) {
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static int CmdHF14AMfHardAuto(const char *Cmd) {
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/*
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Author: Matthias Konrath
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Company: Trustworks GmbH
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Email: m.konrath@trustworks.at
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*/
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uint8_t blockNo = 0;
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uint8_t keyType = 0;
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uint8_t *keyBlock, *p;
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uint8_t sectorsCnt = 1;
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uint8_t sectorsCnt = MIFARE_1K_MAXSECTOR;
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sector_t *e_sector;
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uint8_t arr[80];
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uint8_t key[6] = {0, 0, 0, 0, 0, 0};
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uint8_t trgkey[6] = {0, 0, 0, 0, 0, 0};
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uint8_t cmdp = 0;
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uint8_t tmpKey[6];
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uint64_t key64 = 0;
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char filename[FILE_PATH_SIZE] = {0}, *fptr;
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char ctmp;
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uint64_t t1;
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uint8_t foundKeysDictionary = 0;
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uint8_t foundKeysReuse = 0;
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uint8_t foundKeysHardnested = 0;
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keyBlock = calloc(ARRAYLEN(g_mifare_default_keys), 6);
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if (keyBlock == NULL) return 1;
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for (int cnt = 0; cnt < ARRAYLEN(g_mifare_default_keys); cnt++)
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num_to_bytes(g_mifare_default_keys[cnt], 6, keyBlock + cnt * 6);
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FILE* f;
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char buf[13] = {0};
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char filename[FILE_PATH_SIZE] = {0}, *fptr;
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uint8_t cmdp = 0;
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char ctmp;
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uint64_t foundkey = 0;
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int16_t isOK = 0;
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int i, i2, keycnt = 0;;
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int current_sector_i, current_key_type_i, default_keys_i, found_keys_i;
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uint32_t keyitems = ARRAYLEN(g_mifare_default_keys);
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bool slow = false;
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bool nonce_file_read = false;
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@ -1624,7 +1646,7 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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case 'k':
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// Get the known block number
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if (param_getchar(Cmd, cmdp + 1) == 0x00) {
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PrintAndLogEx(WARNING, "Block number is missing");
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PrintAndLogEx(WARNING, "Sector number is missing");
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return 1;
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}
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blockNo = param_get8(Cmd, cmdp + 1);
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@ -1685,42 +1707,27 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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// Print parameters
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PrintAndLogEx(NORMAL, "Used Parameters:");
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PrintAndLogEx(NORMAL, "\t[+] Dumping the found keys: %d", createDumpFile);
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PrintAndLogEx(NORMAL, "\t[+] Card sectors: %d", sectorsCnt);
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PrintAndLogEx(NORMAL, "\t[+] Key supplied: %d", know_target_key);
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PrintAndLogEx(NORMAL, "\t[+] Known block: %d", blockNo);
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PrintAndLogEx(NORMAL, "\t[+] Keytype: %c", keyType ? 'B' : 'A');
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PrintAndLogEx(NORMAL, "\t[+] Kown key: 0x%02x%02x%02x%02x%02x%02x", key[0], key[1], key[2], key[3], key[4], key[5]);
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PrintAndLogEx(NORMAL, "\t[+] Dictionary: %s", filename);
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PrintAndLogEx(NORMAL, "[+] Dumping the found keys: %s", createDumpFile ? "True" : "False");
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PrintAndLogEx(NORMAL, "[+] Card sectors: %d", sectorsCnt);
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PrintAndLogEx(NORMAL, "[+] Key supplied: %s", know_target_key ? "True" : "False");
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PrintAndLogEx(NORMAL, "[+] Known sector: %d", blockNo);
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PrintAndLogEx(NORMAL, "[+] Keytype: %c", keyType ? 'B' : 'A');
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PrintAndLogEx(NORMAL, "[+] Kown key: 0x%02x%02x%02x%02x%02x%02x", key[0], key[1], key[2], key[3], key[4], key[5]);
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PrintAndLogEx(NORMAL, "[+] Dictionary: %s", filename);
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e_sector = calloc(sectorsCnt, sizeof(sector_t));
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if (know_target_key) {
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// check if we can authenticate to sector
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if (mfCheckKeys(blockNo, keyType, true, 1, key, &key64) != PM3_SUCCESS) {
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PrintAndLogEx(WARNING, "Key is wrong. Can't authenticate to block:%3d key type:%c", blockNo, keyType ? 'B' : 'A');
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PrintAndLogEx(WARNING, "Key is wrong. Can't authenticate to sector:%3d key type:%c", blockNo, keyType ? 'B' : 'A');
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free(e_sector);
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return 3;
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}
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} else {
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PrintAndLogEx(WARNING, "No known key was supplied, if no usable key is found in the dictionary, then this attack will fail!");
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}
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// General stuff
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// Add check for the hardnested attack!!
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uint64_t foundkey = 0;
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int16_t isOK = 0;
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// Bruteforce stuff
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FILE* f;
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sector_t *e_sector = calloc(sectorsCnt, sizeof(sector_t));
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uint8_t arr[80];
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uint8_t tmpKey[6];
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char buf[13] = {0};
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int i, i2, keycnt = 0;;
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int current_sector_i, current_key_type_i, default_keys_i, found_keys_i;
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uint32_t keyitems = ARRAYLEN(g_mifare_default_keys);
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// Clear the datastructures
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for (i=0; i<80; i++) {
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arr[i] = 0;
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@ -1737,6 +1744,7 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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f = fopen(filename, "r");
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if (!f) {
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PrintAndLogEx(FAILED, "File: " _YELLOW_("%s") ": not found or locked.", filename);
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free(e_sector);
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return 1;
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}
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@ -1760,6 +1768,7 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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PrintAndLogEx(FAILED, "Cannot allocate memory for default keys");
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free(keyBlock);
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fclose(f);
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free(e_sector);
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return 2;
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}
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keyBlock = p;
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@ -1774,8 +1783,9 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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PrintAndLogEx(SUCCESS, "Loaded %2d keys from " _YELLOW_("%s"), keycnt, filename);
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}
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t1 = msclock();
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// If no key is supplied by the user brute force with the dictionary
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// If no key is supplied by the user, brute force with the dictionary
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if (know_target_key == false) {
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for (current_sector_i=0; current_sector_i < sectorsCnt; current_sector_i++) {
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for (current_key_type_i=0; current_key_type_i < 2; current_key_type_i++) {
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@ -1786,7 +1796,8 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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}
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if (mfCheckKeys(current_sector_i*4, current_key_type_i, true, 1, tmpKey, &key64) == PM3_SUCCESS) {
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PrintAndLogEx(SUCCESS, "[ KEY ENUM ] Valid KEY FOUND: block:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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PrintAndLogEx(SUCCESS, "Jackpot, we found a key! Now let the fun begin!");
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PrintAndLogEx(SUCCESS, "[Dictio. KEYS] Valid KEY FOUND: sector:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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current_sector_i,
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current_key_type_i ? 'B' : 'A',
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tmpKey[0], tmpKey[1], tmpKey[2], tmpKey[3], tmpKey[4], tmpKey[5]);
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@ -1797,6 +1808,7 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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know_target_key = true;
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blockNo = current_sector_i;
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keyType = current_key_type_i;
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foundKeysDictionary++;
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// Exit the loop
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current_sector_i = sectorsCnt;
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@ -1809,17 +1821,17 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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}
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}
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// Set the user defined key
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// Set the user defined / bruteforced key
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if (know_target_key) {
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e_sector[blockNo].Key[keyType] = bytes_to_num(key, 6);
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arr[blockNo + (keyType * sectorsCnt)] = 1;
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} else {
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PrintAndLogEx(FAILED, "No usable key was found!");
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return 1;
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free(e_sector);
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return 1;
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}
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// Iterate over each sector and key
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// Iterate over each sector and key(A/B)
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for (current_sector_i=0; current_sector_i < sectorsCnt; current_sector_i++) {
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for (current_key_type_i=0; current_key_type_i < 2; current_key_type_i++) {
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@ -1827,29 +1839,29 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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// Try the found keys
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if (foundkey == 0) {
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for (found_keys_i=0; found_keys_i < current_sector_i; found_keys_i++) {
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for (found_keys_i=0; found_keys_i < sectorsCnt; found_keys_i++) {
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// Iterate over the keys
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if (arr[found_keys_i + (current_key_type_i * sectorsCnt)] == 1) {
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num_to_bytes(e_sector[found_keys_i].Key[current_key_type_i], 6, tmpKey);
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if (mfCheckKeys(current_sector_i*4, current_key_type_i, true, 1, tmpKey, &key64) == PM3_SUCCESS) {
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PrintAndLogEx(SUCCESS, "[FOUND KEYS %c] Valid KEY FOUND: block:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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current_key_type_i ? 'B' : 'A',
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PrintAndLogEx(SUCCESS, "[REUSED KEYS] Valid KEY FOUND: sector:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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current_sector_i,
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current_key_type_i ? 'B' : 'A',
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tmpKey[0], tmpKey[1], tmpKey[2], tmpKey[3], tmpKey[4], tmpKey[5]);
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foundkey = bytes_to_num(tmpKey, 6);
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foundKeysReuse++;
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break;
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}
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}
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if (arr[found_keys_i + (((current_key_type_i+1)%2) * sectorsCnt)] == 1) {
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num_to_bytes(e_sector[found_keys_i].Key[(current_key_type_i+1)%2], 6, tmpKey);
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if (mfCheckKeys(current_sector_i*4, current_key_type_i, true, 1, tmpKey, &key64) == PM3_SUCCESS) {
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PrintAndLogEx(SUCCESS, "[FOUND KEYS %c] Valid KEY FOUND: block:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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(current_key_type_i+1)%2 ? 'B' : 'A',
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PrintAndLogEx(SUCCESS, "[REUSED KEYS] Valid KEY FOUND: sector:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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current_sector_i,
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current_key_type_i ? 'B' : 'A',
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tmpKey[0], tmpKey[1], tmpKey[2], tmpKey[3], tmpKey[4], tmpKey[5]);
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foundkey = bytes_to_num(tmpKey, 6);
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foundKeysReuse++;
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break;
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}
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}
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@ -1864,29 +1876,48 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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}
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if (mfCheckKeys(current_sector_i*4, current_key_type_i, true, 1, tmpKey, &key64) == PM3_SUCCESS) {
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PrintAndLogEx(SUCCESS, "[DEFAULT KEYS] Valid KEY FOUND: block:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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PrintAndLogEx(SUCCESS, "[Dictio. KEYS] Valid KEY FOUND: sector:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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current_sector_i,
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current_key_type_i ? 'B' : 'A',
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tmpKey[0], tmpKey[1], tmpKey[2], tmpKey[3], tmpKey[4], tmpKey[5]);
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foundkey = bytes_to_num(tmpKey, 6);
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foundKeysDictionary++;
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break;
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}
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}
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}
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// Bruteforce with hardnested
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if (foundkey == 0) {
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PrintAndLogEx(SUCCESS, "[ BRUTEFORCE ] block no:%3d, target key type:%c, Slow: %s, Tests: %d ",
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PrintAndLogEx(SUCCESS, "[ BRUTEFORCE ] sector no:%3d, target key type:%c, Slow: %s, Tests: %d ",
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current_sector_i,
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current_key_type_i ? 'B' : 'A',
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slow ? "Yes" : "No",
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tests);
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isOK = mfnestedhard(blockNo, keyType, key, current_sector_i*4, current_key_type_i, know_target_key ? trgkey : NULL, nonce_file_read, nonce_file_write, slow, tests, &foundkey, filename);
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isOK = mfnestedhard(blockNo, keyType, key, current_sector_i*4, current_key_type_i, NULL, nonce_file_read, nonce_file_write, slow, tests, &foundkey, NULL);
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DropField();
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if (isOK) {
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switch (isOK) {
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case 1 :
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PrintAndLogEx(ERR, "Error: No response from Proxmark3.\n");
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break;
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case 2 :
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PrintAndLogEx(NORMAL, "Button pressed. Aborted.\n");
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break;
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default :
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break;
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}
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free(e_sector);
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return 2;
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}
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num_to_bytes(foundkey, 6, tmpKey);
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PrintAndLogEx(SUCCESS, "[CRACKED KEY] Valid KEY FOUND: block:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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PrintAndLogEx(SUCCESS, "[CRACKED KEY] Valid KEY FOUND: sector:%3d key type:%c key: " _YELLOW_("0x%02x%02x%02x%02x%02x%02x"),
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current_sector_i,
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current_key_type_i ? 'B' : 'A',
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tmpKey[0], tmpKey[1], tmpKey[2], tmpKey[3], tmpKey[4], tmpKey[5]);
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foundKeysHardnested++;
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}
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// Add the key
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if (foundkey != 0) {
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@ -1908,8 +1939,10 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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if (createDumpFile) {
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fptr = GenerateFilename("hf-mf-", "-key.bin");
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if (fptr == NULL)
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if (fptr == NULL) {
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free(e_sector);
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return 1;
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}
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FILE *fkeys = fopen(fptr, "wb");
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if (fkeys == NULL) {
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@ -1933,24 +1966,11 @@ static int CmdHF14AMfHardAuto(const char *Cmd) {
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PrintAndLogEx(SUCCESS, "Found keys have been dumped to " _YELLOW_("%s")" --> 0xffffffffffff has been inserted for unknown keys.", fptr);
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}
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t1 = msclock() - t1;
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PrintAndLogEx(SUCCESS, "Key statistics: Dictionary: " _GREEN_("%d") ", Reuse: " _YELLOW_("%d") ", Bruteforce: " _MAGENTA_("%d") ", Total: " _YELLOW_("%d"), foundKeysDictionary, foundKeysReuse, foundKeysHardnested, sectorsCnt*2);
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PrintAndLogEx(SUCCESS, "Required time for the hardautopwn attack: " _YELLOW_("%.0f") " seconds\n", (float)t1 / 1000.0);
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free(e_sector);
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DropField();
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if (isOK) {
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switch (isOK) {
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case 1 :
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PrintAndLogEx(ERR, "Error: No response from Proxmark3.\n");
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break;
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case 2 :
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PrintAndLogEx(NORMAL, "Button pressed. Aborted.\n");
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break;
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default :
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break;
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}
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return 2;
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}
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return 0;
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}
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