/** * 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" #include "memory.h" #include "emu_inc_hash_md5.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_FDE; static const char *HASH_NAME = "VirtualBox (PBKDF2-HMAC-SHA256 & AES-128-XTS)"; static const u64 KERN_TYPE = 27500; static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE | OPTI_TYPE_SLOW_HASH_SIMD_LOOP | OPTI_TYPE_SLOW_HASH_SIMD_LOOP2; static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE | OPTS_TYPE_PT_GENERATE_LE | OPTS_TYPE_ST_HEX | OPTS_TYPE_INIT2 | OPTS_TYPE_LOOP2; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "$vbox$0$260000$fcc37189521686699a43e49514b91f159306be108b98895666583cd15c3e206b$8$288c3957db47e7c3dff2f7932121eb3395d21ab76b9cf3de2dc660310a25e7ad$20000$8847cd90f8acef74bae41155392908780eebb1d16452aa09b2f7b6cd7d8a4096$9f4d615b484f95c73944a98f392a3ce04f93403e8bb6257e6b6c854273d3a08a"; 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 vbox { u32 salt1_buf[64]; u32 salt1_len; u32 aes_key_len; u32 enc_pass_buf[64]; u32 salt2_buf[64]; u32 salt2_len; } vbox_t; typedef struct pbkdf2_sha256_tmp { u32 ipad[8]; u32 opad[8]; u32 dgst[64]; u32 out[64]; } pbkdf2_sha256_tmp_t; static const char *SIGNATURE_VBOX = "$vbox$0$"; salt_t *module_benchmark_salt (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { salt_t *salt = (salt_t *) hcmalloc (sizeof (salt_t)); salt->salt_iter = 260000 - 1; salt->salt_iter2 = 20000 - 1; salt->salt_len = 32; return salt; } 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 (vbox_t); return esalt_size; } 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 (pbkdf2_sha256_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) { // this overrides the reductions of PW_MAX in case optimized kernel is selected // IOW, even in optimized kernel mode it support length 256 const u32 pw_max = PW_MAX; 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; vbox_t *vbox = (vbox_t *) esalt_buf; hc_token_t token; token.token_cnt = 8; token.signatures_cnt = 1; token.signatures_buf[0] = SIGNATURE_VBOX; token.sep[0] = '$'; token.len[0] = 8; token.attr[0] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_SIGNATURE; token.sep[1] = '$'; token.len_min[1] = 1; token.len_max[1] = 9; token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_DIGIT; token.sep[2] = '$'; token.len_min[2] = 64; token.len_max[2] = 64; token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.sep[3] = '$'; token.len_min[3] = 1; token.len_max[3] = 2; token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_DIGIT; token.sep[4] = '$'; token.len_min[4] = 64; token.len_max[4] = 64; token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.sep[5] = '$'; token.len_min[5] = 1; token.len_max[5] = 9; token.attr[5] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_DIGIT; token.sep[6] = '$'; token.len_min[6] = 64; token.len_max[6] = 64; token.attr[6] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.sep[7] = '$'; token.len_min[7] = 64; token.len_max[7] = 64; token.attr[7] = 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); // iter 1 const u8 *iter1_pos = token.buf[1]; u32 iter1 = hc_strtoul ((const char *) iter1_pos, NULL, 10); if (iter1 < 1) return (PARSER_SALT_ITERATION); salt->salt_iter = iter1 - 1; // salt 1 const u8 *salt1_pos = token.buf[2]; const u32 salt1_len = token.len[2]; u32 *salt1_buf_ptr = (u32 *) vbox->salt1_buf; salt1_buf_ptr[0] = hex_to_u32 ((const u8 *) &salt1_pos[ 0]); salt1_buf_ptr[1] = hex_to_u32 ((const u8 *) &salt1_pos[ 8]); salt1_buf_ptr[2] = hex_to_u32 ((const u8 *) &salt1_pos[16]); salt1_buf_ptr[3] = hex_to_u32 ((const u8 *) &salt1_pos[24]); salt1_buf_ptr[4] = hex_to_u32 ((const u8 *) &salt1_pos[32]); salt1_buf_ptr[5] = hex_to_u32 ((const u8 *) &salt1_pos[40]); salt1_buf_ptr[6] = hex_to_u32 ((const u8 *) &salt1_pos[48]); salt1_buf_ptr[7] = hex_to_u32 ((const u8 *) &salt1_pos[56]); vbox->salt1_len = salt1_len / 2; // handle unique salts detection md5_ctx_t md5_ctx; md5_init (&md5_ctx); md5_update (&md5_ctx, vbox->salt1_buf, vbox->salt1_len); md5_final (&md5_ctx); // store md5(vbox->salt1_buf) in salt_buf salt->salt_len = 16; memcpy (salt->salt_buf, md5_ctx.h, salt->salt_len); // aes xts key len (128 or 256) const u8 *aes_key_len_pos = token.buf[3]; u32 aes_key_len = hc_strtoul ((const char *) aes_key_len_pos, NULL, 10); if (aes_key_len != 8) return (PARSER_SALT_ITERATION); // todo: change return vbox->aes_key_len = aes_key_len; // enc pass const u8 *enc_pass_pos = token.buf[4]; const u32 enc_pass_len = token.len[4]; if (enc_pass_len != 64) return (PARSER_SALT_ITERATION); // todo: change return u32 *enc_pass_buf_ptr = (u32 *) vbox->enc_pass_buf; enc_pass_buf_ptr[ 0] = hex_to_u32 ((const u8 *) &enc_pass_pos[ 0]); enc_pass_buf_ptr[ 1] = hex_to_u32 ((const u8 *) &enc_pass_pos[ 8]); enc_pass_buf_ptr[ 2] = hex_to_u32 ((const u8 *) &enc_pass_pos[16]); enc_pass_buf_ptr[ 3] = hex_to_u32 ((const u8 *) &enc_pass_pos[24]); enc_pass_buf_ptr[ 4] = hex_to_u32 ((const u8 *) &enc_pass_pos[32]); enc_pass_buf_ptr[ 5] = hex_to_u32 ((const u8 *) &enc_pass_pos[40]); enc_pass_buf_ptr[ 6] = hex_to_u32 ((const u8 *) &enc_pass_pos[48]); enc_pass_buf_ptr[ 7] = hex_to_u32 ((const u8 *) &enc_pass_pos[56]); // iter 2 const u8 *iter2_pos = token.buf[5]; u32 iter2 = hc_strtoul ((const char *) iter2_pos, NULL, 10); if (iter2 < 1) return (PARSER_SALT_ITERATION); salt->salt_iter2 = iter2 - 1; // salt 2 const u8 *salt2_pos = token.buf[6]; const u32 salt2_len = token.len[6]; u32 *salt2_buf_ptr = (u32 *) vbox->salt2_buf; salt2_buf_ptr[0] = hex_to_u32 ((const u8 *) &salt2_pos[ 0]); salt2_buf_ptr[1] = hex_to_u32 ((const u8 *) &salt2_pos[ 8]); salt2_buf_ptr[2] = hex_to_u32 ((const u8 *) &salt2_pos[16]); salt2_buf_ptr[3] = hex_to_u32 ((const u8 *) &salt2_pos[24]); salt2_buf_ptr[4] = hex_to_u32 ((const u8 *) &salt2_pos[32]); salt2_buf_ptr[5] = hex_to_u32 ((const u8 *) &salt2_pos[40]); salt2_buf_ptr[6] = hex_to_u32 ((const u8 *) &salt2_pos[48]); salt2_buf_ptr[7] = hex_to_u32 ((const u8 *) &salt2_pos[56]); vbox->salt2_len = salt2_len / 2; // hash const u8 *hash_pos = token.buf[7]; digest[0] = hex_to_u32 ((const u8 *) &hash_pos[ 0]); digest[1] = hex_to_u32 ((const u8 *) &hash_pos[ 8]); digest[2] = hex_to_u32 ((const u8 *) &hash_pos[16]); digest[3] = hex_to_u32 ((const u8 *) &hash_pos[24]); digest[4] = hex_to_u32 ((const u8 *) &hash_pos[32]); digest[5] = hex_to_u32 ((const u8 *) &hash_pos[40]); digest[6] = hex_to_u32 ((const u8 *) &hash_pos[48]); digest[7] = hex_to_u32 ((const u8 *) &hash_pos[56]); digest[0] = byte_swap_32 (digest[0]); digest[1] = byte_swap_32 (digest[1]); digest[2] = byte_swap_32 (digest[2]); digest[3] = byte_swap_32 (digest[3]); digest[4] = byte_swap_32 (digest[4]); digest[5] = byte_swap_32 (digest[5]); digest[6] = byte_swap_32 (digest[6]); digest[7] = byte_swap_32 (digest[7]); 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 u32 *digest = (const u32 *) digest_buf; const vbox_t *vbox = (const vbox_t *) esalt_buf; u8 salt1_buf[64+1] = { 0 }; u32_to_hex (vbox->salt1_buf[0], salt1_buf + 0); u32_to_hex (vbox->salt1_buf[1], salt1_buf + 8); u32_to_hex (vbox->salt1_buf[2], salt1_buf + 16); u32_to_hex (vbox->salt1_buf[3], salt1_buf + 24); u32_to_hex (vbox->salt1_buf[4], salt1_buf + 32); u32_to_hex (vbox->salt1_buf[5], salt1_buf + 40); u32_to_hex (vbox->salt1_buf[6], salt1_buf + 48); u32_to_hex (vbox->salt1_buf[7], salt1_buf + 56); u8 enc_pass_buf[64+1] = { 0 }; u32_to_hex (vbox->enc_pass_buf[0], enc_pass_buf + 0); u32_to_hex (vbox->enc_pass_buf[1], enc_pass_buf + 8); u32_to_hex (vbox->enc_pass_buf[2], enc_pass_buf + 16); u32_to_hex (vbox->enc_pass_buf[3], enc_pass_buf + 24); u32_to_hex (vbox->enc_pass_buf[4], enc_pass_buf + 32); u32_to_hex (vbox->enc_pass_buf[5], enc_pass_buf + 40); u32_to_hex (vbox->enc_pass_buf[6], enc_pass_buf + 48); u32_to_hex (vbox->enc_pass_buf[7], enc_pass_buf + 56); u8 salt2_buf[64+1] = { 0 }; u32_to_hex (vbox->salt2_buf[0], salt2_buf + 0); u32_to_hex (vbox->salt2_buf[1], salt2_buf + 8); u32_to_hex (vbox->salt2_buf[2], salt2_buf + 16); u32_to_hex (vbox->salt2_buf[3], salt2_buf + 24); u32_to_hex (vbox->salt2_buf[4], salt2_buf + 32); u32_to_hex (vbox->salt2_buf[5], salt2_buf + 40); u32_to_hex (vbox->salt2_buf[6], salt2_buf + 48); u32_to_hex (vbox->salt2_buf[7], salt2_buf + 56); u8 hash[64+1] = { 0 }; u32_to_hex (byte_swap_32 (digest[0]), hash + 0); u32_to_hex (byte_swap_32 (digest[1]), hash + 8); u32_to_hex (byte_swap_32 (digest[2]), hash + 16); u32_to_hex (byte_swap_32 (digest[3]), hash + 24); u32_to_hex (byte_swap_32 (digest[4]), hash + 32); u32_to_hex (byte_swap_32 (digest[5]), hash + 40); u32_to_hex (byte_swap_32 (digest[6]), hash + 48); u32_to_hex (byte_swap_32 (digest[7]), hash + 56); const int line_len = snprintf (line_buf, line_size, "%s%u$%s$%u$%s$%u$%s$%s", SIGNATURE_VBOX, salt->salt_iter + 1, salt1_buf, vbox->aes_key_len, enc_pass_buf, salt->salt_iter2 + 1, salt2_buf, hash); 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_benchmark_salt; 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_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_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_DEFAULT; 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; }