X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/fa0e0b109fd576eb6f720168058e67463b1aa321..5215a874429bf41ec24c83d6d5f631233faf3d76:/client/cmdhfmf.c diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index af96543d..04998e18 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -9,32 +9,35 @@ //----------------------------------------------------------------------------- #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(" 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("Usage: hf mf sim [h] u n [i] [x] [e] [v]"); 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(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a reader"); + PrintAndLog(" e (Optional) Fill simulator keys from found keys"); + PrintAndLog(" v (Optional) Verbose"); PrintAndLog("samples:"); PrintAndLog(" hf mf sim u 0a0a0a0a"); PrintAndLog(" hf mf sim u 11223344556677"); PrintAndLog(" hf mf sim u 112233445566778899AA"); + PrintAndLog(" hf mf sim u 11223344 i x"); return 0; } int usage_hf14_dbg(void){ @@ -94,12 +97,14 @@ int usage_hf14_hardnested(void){ 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"); @@ -109,15 +114,33 @@ int usage_hf14_chk(void){ PrintAndLog("Usage: hf mf chk |<*card memory> [t|d] [] []"); PrintAndLog("options:"); PrintAndLog(" h this help"); - PrintAndLog(" * all sectors"); - PrintAndLog(" card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); + 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"); - PrintAndLog(" hf mf chk *1 ? t"); - PrintAndLog(" hf mf chk *1 ? d"); + 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; } @@ -127,13 +150,18 @@ 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"); @@ -187,18 +215,22 @@ start: } } printf("\n"); + // error + if (isOK != 1) return 1; - // par == 0 - if (isOK == -1 && par_list == 0) { - if (!nonce2key_ex(uid, nt, nr, ks_list, &r_key) ){ - PrintAndLog("Found valid key: %012"llx" \n", r_key); + if (par_list == 0 && ks_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("Trying again with a different reader nonce..."); + c.arg[0] = false; + goto start; + } else { + PrintAndLog("Found valid key: %012" PRIx64 " \n", r_key); goto END; } } - - // error - if (isOK != 1) return 1; - + // execute original function from util nonce2key if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) { isOK = 2; @@ -207,7 +239,17 @@ start: c.arg[0] = false; goto start; } else { - PrintAndLog("Found valid key: %012"llx" \n", r_key); + + // 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" PRIx64 ") - Test authentication failed. [%d] Restarting darkside attack", r_key, res); + goto start; + } + PrintAndLog("Found valid key: %012" PRIx64 " \n", r_key); } END: t1 = clock() - t1; @@ -218,8 +260,7 @@ END: 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}; @@ -268,14 +309,11 @@ 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}; - - char cmdp = 0x00; - + char cmdp = 0x00; if (strlen(Cmd)<3) { PrintAndLog("Usage: hf mf rdbl "); @@ -317,8 +355,7 @@ 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; @@ -375,8 +412,7 @@ 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 { @@ -384,8 +420,7 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo) } } -uint8_t NumBlocksPerSector(uint8_t sectorNo) -{ +uint8_t NumBlocksPerSector(uint8_t sectorNo) { if (sectorNo < 32) { return 4; } else { @@ -435,7 +470,7 @@ int CmdHF14AMfDump(const char *Cmd) { size_t bytes_read; for (sectorNo=0; sectorNo max_keys ? max_keys : keycnt-c; res = mfCheckKeys(b, trgKeyType, true, size, &keyBlock[6*c], &key64); @@ -1224,19 +1265,19 @@ 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 @@ -1313,44 +1354,130 @@ int CmdHF14AMfChk(const char *Cmd) { return 0; } +sector *k_sector = NULL; +uint8_t k_sectorsCount = 16; +static void emptySectorTable(){ + + // initialize storage for found keys + if (k_sector == NULL) + k_sector = calloc(k_sectorsCount, sizeof(sector)); + if (k_sector == NULL) + return; + + // 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; + } +} +void showSectorTable(){ + if (k_sector != NULL) { + printKeyTable(k_sectorsCount, k_sector); + free(k_sector); + k_sector = NULL; + } +} +void readerAttack(nonces_t data, bool setEmulatorMem, bool verbose) { + + uint64_t key = 0; + bool success = FALSE; + + if (k_sector == NULL) + emptySectorTable(); + + success = tryMfk32_moebius(data, &key, verbose); + if (success) { + uint8_t sector = data.sector; + uint8_t keytype = data.keytype; + + PrintAndLog("Reader is trying authenticate with: Key %s, sector %02d: [%012" PRIx64 "]" + , keytype ? "B" : "A" + , sector + , key + ); + + k_sector[sector].Key[keytype] = key; + k_sector[sector].foundKey[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[sector].Key[0], 6, memBlock); + num_to_bytes( k_sector[sector].Key[1], 6, memBlock+10); + //iceman, guessing this will not work so well for 4K tags. + PrintAndLog("Setting Emulator Memory Block %02d: [%s]" + , (sector*4) + 3 + , sprint_hex( memBlock, sizeof(memBlock)) + ); + mfEmlSetMem( memBlock, (sector*4) + 3, 1); + } + } +} + 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(); + uint8_t cmdp = 0; + bool errors = FALSE; + bool verbose = FALSE; + bool setEmulatorMem = FALSE; + nonces_t data[1]; + + 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 'v': + case 'V': + verbose = TRUE; + cmdp++; + break; + case 'x': + case 'X': + flags |= FLAG_NR_AR_ATTACK; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = TRUE; + break; } - pnr +=2; - } - - cmdp = param_getchar(Cmd, pnr); - if (cmdp == 'n' || cmdp == 'N') { - exitAfterNReads = param_get8(Cmd, pnr+1); - pnr += 2; - } - - cmdp = param_getchar(Cmd, pnr); - if (cmdp == 'i' || cmdp == 'I' ) { - flags |= FLAG_INTERACTIVE; - pnr++; - } - - cmdp = param_getchar(Cmd, pnr); - if (cmdp == 'x' || cmdp == 'X') { - flags |= FLAG_NR_AR_ATTACK; + 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) @@ -1362,27 +1489,20 @@ int CmdHF14AMf1kSim(const char *Cmd) { memcpy(c.d.asBytes, uid, sizeof(uid)); clearCommandBuffer(); SendCommand(&c); + UsbCommand resp; - if(flags & FLAG_INTERACTIVE) { - uint8_t data[32]; - uint64_t key; - UsbCommand resp; + if(flags & FLAG_INTERACTIVE) { PrintAndLog("Press pm3-button or send another cmd to abort simulation"); + 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[0], setEmulatorMem, verbose); } + showSectorTable(); } return 0; } @@ -1458,7 +1578,7 @@ int CmdHF14AMfSniff(const char *Cmd){ if (res == 1) { // there is (more) data to be transferred if (pckNum == 0) { // first packet, (re)allocate necessary buffer - if (traceLen > bufsize) { + if (traceLen > bufsize || buf == NULL) { uint8_t *p; if (buf == NULL) // not yet allocated p = malloc(traceLen); @@ -1545,7 +1665,7 @@ 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(); @@ -1555,12 +1675,49 @@ 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" PRIx64 " \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|"); PrintAndLog("|---|----------------|---|----------------|---|"); for (uint8_t i = 0; i < sectorscnt; ++i) { - PrintAndLog("|%03d| %012"llx" | %d | %012"llx" | %d |", i, + PrintAndLog("|%03d| %012" PRIx64 " | %d | %012" PRIx64 " | %d |", i, e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1] ); @@ -1569,7 +1726,6 @@ void printKeyTable( uint8_t sectorscnt, sector *e_sector ){ } // EMULATOR COMMANDS - int CmdHF14AMfEGet(const char *Cmd) { uint8_t blockNo = 0; @@ -1583,7 +1739,7 @@ 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 { @@ -1610,7 +1766,6 @@ int CmdHF14AMfESet(const char *Cmd) { uint8_t memBlock[16]; uint8_t blockNo = 0; - memset(memBlock, 0x00, sizeof(memBlock)); if (strlen(Cmd) < 3 || param_getchar(Cmd, 0) == 'h') { @@ -1892,7 +2047,7 @@ int CmdHF14AMfEKeyPrn(const char *Cmd) } keyA = bytes_to_num(data, 6); keyB = bytes_to_num(data + 10, 6); - PrintAndLog("|%03d| %012"llx" | %012"llx" |", i, keyA, keyB); + PrintAndLog("|%03d| %012" PRIx64 " | %012" PRIx64 " |", i, keyA, keyB); } PrintAndLog("|---|----------------|----------------|"); @@ -2296,10 +2451,11 @@ 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"},