/** * Author......: See docs/credits.txt * License.....: MIT * * Further credits: * The password-storage algorithm used by Radmin 3 was analyzed and made public * by synacktiv: * https://www.synacktiv.com/publications/cracking-radmin-server-3-passwords.html */ #include "common.h" #include "types.h" #include "modules.h" #include "bitops.h" #include "convert.h" #include "shared.h" #include "emu_inc_bignum_operations.h" #include "emu_inc_radmin3_constants.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_NETWORK_PROTOCOL; static const char *HASH_NAME = "Radmin3"; static const u64 KERN_TYPE = 29200; static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE | OPTI_TYPE_NOT_ITERATED; static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE | OPTS_TYPE_PT_GENERATE_BE | OPTS_TYPE_PT_ADD80 | OPTS_TYPE_PT_ADDBITS15 | OPTS_TYPE_PT_UTF16LE | OPTS_TYPE_ST_HEX; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "$radmin3$75007300650072006e0061006d006500*c63bf695069d564844c4849e7df6d41f1fbc5f3a7d8fe27c5f20545a238398fa*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"; 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; } static const char *SIGNATURE_RADMIN3 = "$radmin3$"; typedef struct radmin3 { u32 user[64]; u32 user_len; u32 pre[PRECOMP_DATALEN]; // 1047552 * 4 bytes for PRECOMP_BITS = 10 } radmin3_t; 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 (radmin3_t); return esalt_size; } 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; radmin3_t *esalt = (radmin3_t *) esalt_buf; hc_token_t token; memset (&token, 0, sizeof (hc_token_t)); token.token_cnt = 4; token.signatures_cnt = 1; token.signatures_buf[0] = SIGNATURE_RADMIN3; token.len[0] = 9; token.attr[0] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_SIGNATURE; // user name token.sep[1] = '*'; token.len_min[1] = (SALT_MIN * 2); token.len_max[1] = (SALT_MAX * 2) - 1; // we store the colon (:) in esalt->user[] token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH; // SHA1 salt token.sep[2] = '*'; token.len[2] = 64; token.attr[2] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_HEX; // verifier token.len[3] = 512; token.attr[3] = 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); // user name: if ((token.len[1] % 2) != 0) return (PARSER_SALT_LENGTH); u8 *u = (u8 *) esalt->user; hex_decode (token.buf[1], token.len[1], u); esalt->user_len = token.len[1] / 2; u[esalt->user_len] = ':'; esalt->user_len++; // call byte_swap () to avoid it in the kernel: for (u32 i = 0; i < 64; i++) { esalt->user[i] = byte_swap_32 (esalt->user[i]); } // salt (for salted SHA1): if ((token.len[2] % 2) != 0) return (PARSER_SALT_LENGTH); u8 *s = (u8 *) salt->salt_buf; hex_decode (token.buf[2], token.len[2], s); salt->salt_len = token.len[2] / 2; // call byte_swap () to avoid it in the kernel: for (u32 i = 0; i < 64; i++) { salt->salt_buf[i] = byte_swap_32 (salt->salt_buf[i]); } // verifier: if ((token.len[3] % 2) != 0) return (PARSER_SALT_LENGTH); u8 *v = (u8 *) salt->salt_buf_pc; hex_decode (token.buf[3], token.len[3], v); // change the order (byte_swap () and v[63] <-> v[0], v[62] <-> u[1] etc): for (u32 i = 0, j = 63; i < 32; i++, j--) { u32 t1 = salt->salt_buf_pc[i]; u32 t2 = salt->salt_buf_pc[j]; salt->salt_buf_pc[j] = byte_swap_32 (t1); salt->salt_buf_pc[i] = byte_swap_32 (t2); } // digest // convert our verifier to Montgomery form (s.t. we avoid converting it back on GPU): u32 dgst[64] = { 0 }; to_montgomery (dgst, salt->salt_buf_pc, RADMIN3_M); digest[0] = dgst[0]; digest[1] = dgst[1]; digest[2] = dgst[2]; digest[3] = dgst[3]; /* * pre-computed values for BigNum exponentiation: */ memcpy (esalt->pre, RADMIN3_PRE, sizeof (RADMIN3_PRE)); 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 radmin3_t *esalt = (const radmin3_t *) esalt_buf; u8 *out_buf = (u8 *) line_buf; // signature int out_len = snprintf (line_buf, line_size, "%s", SIGNATURE_RADMIN3); // user u32 u[64]; for (u32 i = 0; i < 64; i++) { u[i] = byte_swap_32 (esalt->user[i]); } out_len += generic_salt_encode (hashconfig, (const u8 *) u, (const int) esalt->user_len - 1, out_buf + out_len); // -1 because of the ':' optimization out_buf[out_len] = '*'; out_len++; // salt u32 s[64]; for (u32 i = 0; i < 64; i++) { s[i] = byte_swap_32 (salt->salt_buf[i]); } out_len += generic_salt_encode (hashconfig, (const u8 *) s, (const int) salt->salt_len, out_buf + out_len); out_buf[out_len] = '*'; out_len++; // verifier u32 verifier[64]; for (u32 i = 0, j = 63; i < 32; i++, j--) // fix the order { u32 t1 = salt->salt_buf_pc[i]; u32 t2 = salt->salt_buf_pc[j]; verifier[j] = byte_swap_32 (t1); verifier[i] = byte_swap_32 (t2); } out_len += generic_salt_encode (hashconfig, (const u8 *) verifier, 256, out_buf + out_len); return out_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_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_DEFAULT; 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; }