/** * Author......: See docs/credits.txt * License.....: MIT */ #include "common.h" #include "types.h" #include "modules.h" #include "bitops.h" #include "convert.h" #include "shared.h" static const u32 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_KERNEL; static const u32 DGST_POS0 = 0; static const u32 DGST_POS1 = 1; static const u32 DGST_POS2 = 2; static const u32 DGST_POS3 = 3; static const u32 DGST_SIZE = DGST_SIZE_4_8; static const u32 HASH_CATEGORY = HASH_CATEGORY_DATABASE_SERVER; static const char *HASH_NAME = "MySQL $A$ (sha256crypt)"; static const u64 KERN_TYPE = 7400; static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE; static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE | OPTS_TYPE_PT_GENERATE_LE | OPTS_TYPE_ST_HEX; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "$mysql$A$005*F9CC98CE08892924F50A213B6BC571A2C11778C5*625479393559393965414D45316477456B484F41316E64484742577A2E3162785353526B7554584647562F"; u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; } u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; } u32 module_dgst_pos1 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS1; } u32 module_dgst_pos2 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS2; } u32 module_dgst_pos3 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS3; } u32 module_dgst_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_SIZE; } u32 module_hash_category (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_CATEGORY; } const char *module_hash_name (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_NAME; } u64 module_kern_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return KERN_TYPE; } u32 module_opti_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTI_TYPE; } u64 module_opts_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTS_TYPE; } u32 module_salt_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return SALT_TYPE; } const char *module_st_hash (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_HASH; } const char *module_st_pass (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_PASS; } typedef struct sha256crypt_tmp { u32 alt_result[8]; u32 p_bytes[64]; u32 s_bytes[64]; } sha256crypt_tmp_t; static const u32 MULTIPLIER_MYSQL = 1000; static const char *SIGNATURE_MYSQL = "$mysql$"; static void sha256crypt_decode (u8 digest[32], const u8 buf[43]) { int l; l = itoa64_to_int (buf[ 0]) << 0; l |= itoa64_to_int (buf[ 1]) << 6; l |= itoa64_to_int (buf[ 2]) << 12; l |= itoa64_to_int (buf[ 3]) << 18; digest[ 0] = (l >> 16) & 0xff; digest[10] = (l >> 8) & 0xff; digest[20] = (l >> 0) & 0xff; l = itoa64_to_int (buf[ 4]) << 0; l |= itoa64_to_int (buf[ 5]) << 6; l |= itoa64_to_int (buf[ 6]) << 12; l |= itoa64_to_int (buf[ 7]) << 18; digest[21] = (l >> 16) & 0xff; digest[ 1] = (l >> 8) & 0xff; digest[11] = (l >> 0) & 0xff; l = itoa64_to_int (buf[ 8]) << 0; l |= itoa64_to_int (buf[ 9]) << 6; l |= itoa64_to_int (buf[10]) << 12; l |= itoa64_to_int (buf[11]) << 18; digest[12] = (l >> 16) & 0xff; digest[22] = (l >> 8) & 0xff; digest[ 2] = (l >> 0) & 0xff; l = itoa64_to_int (buf[12]) << 0; l |= itoa64_to_int (buf[13]) << 6; l |= itoa64_to_int (buf[14]) << 12; l |= itoa64_to_int (buf[15]) << 18; digest[ 3] = (l >> 16) & 0xff; digest[13] = (l >> 8) & 0xff; digest[23] = (l >> 0) & 0xff; l = itoa64_to_int (buf[16]) << 0; l |= itoa64_to_int (buf[17]) << 6; l |= itoa64_to_int (buf[18]) << 12; l |= itoa64_to_int (buf[19]) << 18; digest[24] = (l >> 16) & 0xff; digest[ 4] = (l >> 8) & 0xff; digest[14] = (l >> 0) & 0xff; l = itoa64_to_int (buf[20]) << 0; l |= itoa64_to_int (buf[21]) << 6; l |= itoa64_to_int (buf[22]) << 12; l |= itoa64_to_int (buf[23]) << 18; digest[15] = (l >> 16) & 0xff; digest[25] = (l >> 8) & 0xff; digest[ 5] = (l >> 0) & 0xff; l = itoa64_to_int (buf[24]) << 0; l |= itoa64_to_int (buf[25]) << 6; l |= itoa64_to_int (buf[26]) << 12; l |= itoa64_to_int (buf[27]) << 18; digest[ 6] = (l >> 16) & 0xff; digest[16] = (l >> 8) & 0xff; digest[26] = (l >> 0) & 0xff; l = itoa64_to_int (buf[28]) << 0; l |= itoa64_to_int (buf[29]) << 6; l |= itoa64_to_int (buf[30]) << 12; l |= itoa64_to_int (buf[31]) << 18; digest[27] = (l >> 16) & 0xff; digest[ 7] = (l >> 8) & 0xff; digest[17] = (l >> 0) & 0xff; l = itoa64_to_int (buf[32]) << 0; l |= itoa64_to_int (buf[33]) << 6; l |= itoa64_to_int (buf[34]) << 12; l |= itoa64_to_int (buf[35]) << 18; digest[18] = (l >> 16) & 0xff; digest[28] = (l >> 8) & 0xff; digest[ 8] = (l >> 0) & 0xff; l = itoa64_to_int (buf[36]) << 0; l |= itoa64_to_int (buf[37]) << 6; l |= itoa64_to_int (buf[38]) << 12; l |= itoa64_to_int (buf[39]) << 18; digest[ 9] = (l >> 16) & 0xff; digest[19] = (l >> 8) & 0xff; digest[29] = (l >> 0) & 0xff; l = itoa64_to_int (buf[40]) << 0; l |= itoa64_to_int (buf[41]) << 6; l |= itoa64_to_int (buf[42]) << 12; digest[31] = (l >> 8) & 0xff; digest[30] = (l >> 0) & 0xff; } static void sha256crypt_encode (const u8 digest[32], u8 buf[43]) { int l; l = (digest[ 0] << 16) | (digest[10] << 8) | (digest[20] << 0); buf[ 0] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[ 1] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[ 2] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[ 3] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = (digest[21] << 16) | (digest[ 1] << 8) | (digest[11] << 0); buf[ 4] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[ 5] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[ 6] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[ 7] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = (digest[12] << 16) | (digest[22] << 8) | (digest[ 2] << 0); buf[ 8] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[ 9] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[10] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[11] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = (digest[ 3] << 16) | (digest[13] << 8) | (digest[23] << 0); buf[12] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[13] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[14] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[15] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = (digest[24] << 16) | (digest[ 4] << 8) | (digest[14] << 0); buf[16] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[17] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[18] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[19] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = (digest[15] << 16) | (digest[25] << 8) | (digest[ 5] << 0); buf[20] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[21] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[22] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[23] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = (digest[ 6] << 16) | (digest[16] << 8) | (digest[26] << 0); buf[24] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[25] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[26] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[27] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = (digest[27] << 16) | (digest[ 7] << 8) | (digest[17] << 0); buf[28] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[29] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[30] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[31] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = (digest[18] << 16) | (digest[28] << 8) | (digest[ 8] << 0); buf[32] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[33] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[34] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[35] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = (digest[ 9] << 16) | (digest[19] << 8) | (digest[29] << 0); buf[36] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[37] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[38] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[39] = int_to_itoa64 (l & 0x3f); //l >>= 6; l = 0 | (digest[31] << 8) | (digest[30] << 0); buf[40] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[41] = int_to_itoa64 (l & 0x3f); l >>= 6; buf[42] = int_to_itoa64 (l & 0x3f); //l >>= 6; } char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param) { char *jit_build_options = NULL; // Extra treatment for Apple systems if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE) { return jit_build_options; } // HIP if (device_param->opencl_device_vendor_id == VENDOR_ID_AMD_USE_HIP) { hc_asprintf (&jit_build_options, "-D _unroll"); } // ROCM if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == true)) { hc_asprintf (&jit_build_options, "-D _unroll"); } return jit_build_options; } u64 module_tmp_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { const u64 tmp_size = (const u64) sizeof (sha256crypt_tmp_t); return tmp_size; } u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { u32 pw_max = PW_MAX; const bool optimized_kernel = (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL); if (optimized_kernel == true) { pw_max = 15; } return pw_max; } int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len) { u32 *digest = (u32 *) digest_buf; hc_token_t token; memset (&token, 0, sizeof (hc_token_t)); token.token_cnt = 5; token.signatures_cnt = 1; token.signatures_buf[0] = SIGNATURE_MYSQL; token.len[0] = 7; token.attr[0] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_SIGNATURE; token.sep[1] = '$'; token.len[1] = 1; token.attr[1] = TOKEN_ATTR_FIXED_LENGTH; token.sep[2] = '*'; token.len_min[2] = 3; token.len_max[2] = 4; token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_DIGIT; token.sep[3] = '*'; token.len[3] = 40; token.attr[3] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.sep[4] = '*'; token.len[4] = 86; token.attr[4] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_HEX; const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token); if (rc_tokenizer != PARSER_OK) return (rc_tokenizer); // version: const u8 *version_pos = token.buf[1]; if (version_pos[0] != 'A') return (PARSER_SIGNATURE_UNMATCHED); // $A$ // cost factor: const u8 *cost_pos = token.buf[2]; u32 cost_factor = hc_strtoul ((const char *) cost_pos, NULL, 10); u32 salt_iter = cost_factor * MULTIPLIER_MYSQL; // from: https://github.com/mysql/mysql-server/blob/4869291f7ee258e136ef03f5a50135fe7329ffb9/include/crypt_genhash_impl.h#L30-L31 if (salt_iter < 1000) return (PARSER_SALT_ITERATION); // this check would probably be unsafe because it might change in the future: // if (salt_iter > 5000) return (PARSER_SALT_ITERATION); salt->salt_iter = salt_iter; const u8 *salt_pos = token.buf[3]; const int salt_len = token.len[3]; const bool parse_rc = generic_salt_decode (hashconfig, salt_pos, salt_len, (u8 *) salt->salt_buf, (int *) &salt->salt_len); if (parse_rc == false) return (PARSER_SALT_LENGTH); const u8 *hash_pos = token.buf[4]; const int hash_len = token.len[4]; u8 tmp_dgst[100] = { 0 }; const int dgst_len = hex_decode ((const u8 *) hash_pos, hash_len, (u8 *) tmp_dgst); if (dgst_len != 43) return (PARSER_HASH_ENCODING); sha256crypt_decode ((u8 *) digest, tmp_dgst); return (PARSER_OK); } int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const void *digest_buf, MAYBE_UNUSED const salt_t *salt, MAYBE_UNUSED const void *esalt_buf, MAYBE_UNUSED const void *hook_salt_buf, MAYBE_UNUSED const hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size) { // digest: u8 dgst[100] = { 0 }; sha256crypt_encode ((u8 *) digest_buf, dgst); // yeah, this is weird: we use hex-encoding for base64-encoded salt // this has to do with missing MySQL function to decode/encode this variant of base64 u8 hex_dgst[100] = { 0 }; hex_encode (dgst, 43, hex_dgst); uppercase (hex_dgst, 86); // cosmetic // salt: u8 hex_salt[SALT_MAX * 2] = { 0 }; const int salt_len = generic_salt_encode (hashconfig, (const u8 *) salt->salt_buf, (const int) salt->salt_len, hex_salt); hex_salt[salt_len] = 0; uppercase (hex_salt, 40); // cosmetic const int cost = salt->salt_iter / MULTIPLIER_MYSQL; int line_len = snprintf (line_buf, line_size, "$mysql$A$%03i*%s*%s", cost, hex_salt, hex_dgst); return line_len; } void module_init (module_ctx_t *module_ctx) { module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT; module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT; module_ctx->module_attack_exec = module_attack_exec; module_ctx->module_benchmark_esalt = MODULE_DEFAULT; module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT; module_ctx->module_benchmark_mask = MODULE_DEFAULT; module_ctx->module_benchmark_charset = MODULE_DEFAULT; module_ctx->module_benchmark_salt = MODULE_DEFAULT; module_ctx->module_build_plain_postprocess = MODULE_DEFAULT; module_ctx->module_deep_comp_kernel = MODULE_DEFAULT; module_ctx->module_deprecated_notice = MODULE_DEFAULT; module_ctx->module_dgst_pos0 = module_dgst_pos0; module_ctx->module_dgst_pos1 = module_dgst_pos1; module_ctx->module_dgst_pos2 = module_dgst_pos2; module_ctx->module_dgst_pos3 = module_dgst_pos3; module_ctx->module_dgst_size = module_dgst_size; module_ctx->module_dictstat_disable = MODULE_DEFAULT; module_ctx->module_esalt_size = MODULE_DEFAULT; module_ctx->module_extra_buffer_size = MODULE_DEFAULT; module_ctx->module_extra_tmp_size = MODULE_DEFAULT; module_ctx->module_extra_tuningdb_block = MODULE_DEFAULT; module_ctx->module_forced_outfile_format = MODULE_DEFAULT; module_ctx->module_hash_binary_count = MODULE_DEFAULT; module_ctx->module_hash_binary_parse = MODULE_DEFAULT; module_ctx->module_hash_binary_save = MODULE_DEFAULT; module_ctx->module_hash_decode_postprocess = MODULE_DEFAULT; module_ctx->module_hash_decode_potfile = MODULE_DEFAULT; module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT; module_ctx->module_hash_decode = module_hash_decode; module_ctx->module_hash_encode_status = MODULE_DEFAULT; module_ctx->module_hash_encode_potfile = MODULE_DEFAULT; module_ctx->module_hash_encode = module_hash_encode; module_ctx->module_hash_init_selftest = MODULE_DEFAULT; module_ctx->module_hash_mode = MODULE_DEFAULT; module_ctx->module_hash_category = module_hash_category; module_ctx->module_hash_name = module_hash_name; module_ctx->module_hashes_count_min = MODULE_DEFAULT; module_ctx->module_hashes_count_max = MODULE_DEFAULT; module_ctx->module_hlfmt_disable = MODULE_DEFAULT; module_ctx->module_hook_extra_param_size = MODULE_DEFAULT; module_ctx->module_hook_extra_param_init = MODULE_DEFAULT; module_ctx->module_hook_extra_param_term = MODULE_DEFAULT; module_ctx->module_hook12 = MODULE_DEFAULT; module_ctx->module_hook23 = MODULE_DEFAULT; module_ctx->module_hook_salt_size = MODULE_DEFAULT; module_ctx->module_hook_size = MODULE_DEFAULT; module_ctx->module_jit_build_options = module_jit_build_options; module_ctx->module_jit_cache_disable = MODULE_DEFAULT; module_ctx->module_kernel_accel_max = MODULE_DEFAULT; module_ctx->module_kernel_accel_min = MODULE_DEFAULT; module_ctx->module_kernel_loops_max = MODULE_DEFAULT; module_ctx->module_kernel_loops_min = MODULE_DEFAULT; module_ctx->module_kernel_threads_max = MODULE_DEFAULT; module_ctx->module_kernel_threads_min = MODULE_DEFAULT; module_ctx->module_kern_type = module_kern_type; module_ctx->module_kern_type_dynamic = MODULE_DEFAULT; module_ctx->module_opti_type = module_opti_type; module_ctx->module_opts_type = module_opts_type; module_ctx->module_outfile_check_disable = MODULE_DEFAULT; module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT; module_ctx->module_potfile_custom_check = MODULE_DEFAULT; module_ctx->module_potfile_disable = MODULE_DEFAULT; module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT; module_ctx->module_pwdump_column = MODULE_DEFAULT; module_ctx->module_pw_max = module_pw_max; module_ctx->module_pw_min = MODULE_DEFAULT; module_ctx->module_salt_max = MODULE_DEFAULT; module_ctx->module_salt_min = MODULE_DEFAULT; module_ctx->module_salt_type = module_salt_type; module_ctx->module_separator = MODULE_DEFAULT; module_ctx->module_st_hash = module_st_hash; module_ctx->module_st_pass = module_st_pass; module_ctx->module_tmp_size = module_tmp_size; module_ctx->module_unstable_warning = MODULE_DEFAULT; module_ctx->module_warmup_disable = MODULE_DEFAULT; }