/** * 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_INSIDE_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_4; static const u32 HASH_CATEGORY = HASH_CATEGORY_DOCUMENTS; static const char *HASH_NAME = "MS Office <= 2003 $0/$1, MD5 + RC4"; static const u64 KERN_TYPE = 9700; static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE | OPTI_TYPE_PRECOMPUTE_INIT | OPTI_TYPE_NOT_ITERATED; static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE | OPTS_TYPE_PT_ADD80 | OPTS_TYPE_PT_UTF16LE; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "$oldoffice$0*55045061647456688860411218030058*e7e24d163fbd743992d4b8892bf3f2f7*493410dbc832557d3fe1870ace8397e2"; 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 oldoffice01 { u32 version; u32 encryptedVerifier[4]; u32 encryptedVerifierHash[4]; u32 rc4key[2]; } oldoffice01_t; static const char *SIGNATURE_OLDOFFICE = "$oldoffice$"; static const char *SIGNATURE_OLDOFFICE0 = "$oldoffice$0"; static const char *SIGNATURE_OLDOFFICE1 = "$oldoffice$1"; 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; u32 native_threads = 0; if (device_param->opencl_device_type & CL_DEVICE_TYPE_CPU) { native_threads = 1; } else if (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU) { if (device_param->device_local_mem_size < 49152) { native_threads = MIN (device_param->kernel_preferred_wgs_multiple, 32); // We can't just set 32, because Intel GPU need 8 } else { native_threads = device_param->kernel_preferred_wgs_multiple; } } hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u -D _unroll", native_threads); return jit_build_options; } u64 module_esalt_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 esalt_size = (const u64) sizeof (oldoffice01_t); return esalt_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) { const u32 pw_max = 15; // https://msdn.microsoft.com/en-us/library/dd772916(v=office.12).aspx 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; oldoffice01_t *oldoffice01 = (oldoffice01_t *) esalt_buf; token_t token; token.token_cnt = 5; token.signatures_cnt = 2; token.signatures_buf[0] = SIGNATURE_OLDOFFICE0; token.signatures_buf[1] = SIGNATURE_OLDOFFICE1; token.len[0] = 11; token.attr[0] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_SIGNATURE; token.len_min[1] = 1; token.len_max[1] = 1; token.sep[1] = '*'; token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_DIGIT; token.len_min[2] = 32; token.len_max[2] = 32; token.sep[2] = '*'; token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH; token.len_min[3] = 32; token.len_max[3] = 32; token.sep[3] = '*'; token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.len_min[4] = 32; token.len_max[4] = 32; token.sep[4] = '*'; token.attr[4] = TOKEN_ATTR_VERIFY_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); const u8 *version_pos = token.buf[1]; const u8 *osalt_pos = token.buf[2]; const u8 *encryptedVerifier_pos = token.buf[3]; const u8 *encryptedVerifierHash_pos = token.buf[4]; // esalt const u32 version = *version_pos - 0x30; if (version != 0 && version != 1) return (PARSER_SALT_VALUE); oldoffice01->version = version; oldoffice01->encryptedVerifier[0] = hex_to_u32 (encryptedVerifier_pos + 0); oldoffice01->encryptedVerifier[1] = hex_to_u32 (encryptedVerifier_pos + 8); oldoffice01->encryptedVerifier[2] = hex_to_u32 (encryptedVerifier_pos + 16); oldoffice01->encryptedVerifier[3] = hex_to_u32 (encryptedVerifier_pos + 24); oldoffice01->encryptedVerifierHash[0] = hex_to_u32 (encryptedVerifierHash_pos + 0); oldoffice01->encryptedVerifierHash[1] = hex_to_u32 (encryptedVerifierHash_pos + 8); oldoffice01->encryptedVerifierHash[2] = hex_to_u32 (encryptedVerifierHash_pos + 16); oldoffice01->encryptedVerifierHash[3] = hex_to_u32 (encryptedVerifierHash_pos + 24); // salt salt->salt_len = 16; salt->salt_buf[ 0] = hex_to_u32 (osalt_pos + 0); salt->salt_buf[ 1] = hex_to_u32 (osalt_pos + 8); salt->salt_buf[ 2] = hex_to_u32 (osalt_pos + 16); salt->salt_buf[ 3] = hex_to_u32 (osalt_pos + 24); // this is a workaround as office produces multiple documents with the same salt salt->salt_buf[ 4] = oldoffice01->encryptedVerifier[0]; salt->salt_buf[ 5] = oldoffice01->encryptedVerifier[1]; salt->salt_buf[ 6] = oldoffice01->encryptedVerifier[2]; salt->salt_buf[ 7] = oldoffice01->encryptedVerifier[3]; salt->salt_buf[ 8] = oldoffice01->encryptedVerifierHash[0]; salt->salt_buf[ 9] = oldoffice01->encryptedVerifierHash[1]; salt->salt_buf[10] = oldoffice01->encryptedVerifierHash[2]; salt->salt_buf[11] = oldoffice01->encryptedVerifierHash[3]; salt->salt_len += 32; /** * digest */ digest[0] = oldoffice01->encryptedVerifierHash[0]; digest[1] = oldoffice01->encryptedVerifierHash[1]; digest[2] = oldoffice01->encryptedVerifierHash[2]; digest[3] = oldoffice01->encryptedVerifierHash[3]; 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) { const oldoffice01_t *oldoffice01 = (const oldoffice01_t *) esalt_buf; const int line_len = snprintf (line_buf, line_size, "%s%u*%08x%08x%08x%08x*%08x%08x%08x%08x*%08x%08x%08x%08x", SIGNATURE_OLDOFFICE, oldoffice01->version, byte_swap_32 (salt->salt_buf[0]), byte_swap_32 (salt->salt_buf[1]), byte_swap_32 (salt->salt_buf[2]), byte_swap_32 (salt->salt_buf[3]), byte_swap_32 (oldoffice01->encryptedVerifier[0]), byte_swap_32 (oldoffice01->encryptedVerifier[1]), byte_swap_32 (oldoffice01->encryptedVerifier[2]), byte_swap_32 (oldoffice01->encryptedVerifier[3]), byte_swap_32 (oldoffice01->encryptedVerifierHash[0]), byte_swap_32 (oldoffice01->encryptedVerifierHash[1]), byte_swap_32 (oldoffice01->encryptedVerifierHash[2]), byte_swap_32 (oldoffice01->encryptedVerifierHash[3])); 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_salt = MODULE_DEFAULT; module_ctx->module_build_plain_postprocess = MODULE_DEFAULT; module_ctx->module_deep_comp_kernel = 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_esalt_size; 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_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_DEFAULT; module_ctx->module_unstable_warning = MODULE_DEFAULT; module_ctx->module_warmup_disable = MODULE_DEFAULT; }