/** * 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; // originally DGST_SIZE_4_; static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_PROTOCOL; static const char *HASH_NAME = "TACACS+"; static const u32 HASH_TYPE = HASH_TYPE_GENERIC; static const u64 KERN_TYPE = 16100; static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE | OPTI_TYPE_PRECOMPUTE_INIT | OPTI_TYPE_NOT_ITERATED | OPTI_TYPE_RAW_HASH; static const u64 OPTS_TYPE = OPTS_TYPE_STATE_BUFFER_LE | OPTS_TYPE_PT_GENERATE_LE; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "$tacacs-plus$0$5fde8e68$4e13e8fb33df$c006"; 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; } u32 module_hash_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 HASH_TYPE; } 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 tacacs_plus { u32 session_buf[16]; u32 ct_data_buf[64]; u32 ct_data_len; u32 sequence_buf[16]; } tacacs_plus_t; static const char *SIGNATURE_TACACS_PLUS = "$tacacs-plus$0$"; 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 (tacacs_plus_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; tacacs_plus_t *tacacs_plus = (tacacs_plus_t *) esalt_buf; token_t token; token.token_cnt = 4; token.signatures_cnt = 1; token.signatures_buf[0] = SIGNATURE_TACACS_PLUS; token.len[0] = 15; token.attr[0] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_SIGNATURE; token.sep[1] = '$'; token.len_min[1] = 8; token.len_max[1] = 8; token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.sep[2] = '$'; token.len_min[2] = 12; token.len_max[2] = 256; token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.sep[3] = '$'; token.len_min[3] = 4; token.len_max[3] = 4; token.attr[3] = 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); // session const u8 *session_pos = token.buf[1]; u8 *session_ptr = (u8 *) tacacs_plus->session_buf; session_ptr[0] = hex_to_u8 ((const u8 *) session_pos + 0); session_ptr[1] = hex_to_u8 ((const u8 *) session_pos + 2); session_ptr[2] = hex_to_u8 ((const u8 *) session_pos + 4); session_ptr[3] = hex_to_u8 ((const u8 *) session_pos + 6); // ct_buf const u8 *ct_buf_pos = token.buf[2]; const int ct_buf_len = token.len[2]; u8 *ct_data_ptr = (u8 *) tacacs_plus->ct_data_buf; for (int i = 0, j = 0; j < ct_buf_len; i += 1, j += 2) { ct_data_ptr[i] = hex_to_u8 ((const u8 *) &ct_buf_pos[j]); tacacs_plus->ct_data_len++; } // sequence const u8 *sequence_pos = token.buf[3]; u8 *sequence_ptr = (u8 *) tacacs_plus->sequence_buf; sequence_ptr[0] = hex_to_u8 ((const u8 *) sequence_pos + 0); sequence_ptr[1] = hex_to_u8 ((const u8 *) sequence_pos + 2); // fake salt salt->salt_buf[0] = tacacs_plus->session_buf[0]; salt->salt_buf[1] = tacacs_plus->sequence_buf[0]; salt->salt_buf[2] = tacacs_plus->ct_data_buf[0]; salt->salt_buf[3] = tacacs_plus->ct_data_buf[1]; salt->salt_len = 16; // fake hash digest[0] = tacacs_plus->ct_data_buf[2]; digest[1] = tacacs_plus->ct_data_buf[3]; digest[2] = tacacs_plus->ct_data_buf[4]; digest[3] = tacacs_plus->ct_data_buf[5]; 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 tacacs_plus_t *tacacs_plus = (const tacacs_plus_t *) esalt_buf; char ct_data[256 + 1] = { 0 }; const u8 *ct_data_ptr = (const u8 *) tacacs_plus->ct_data_buf; for (u32 i = 0, j = 0; i < tacacs_plus->ct_data_len; i += 1, j += 2) { sprintf (ct_data + j, "%02x", ct_data_ptr[i]); } const u8 *session_ptr = (const u8 *) tacacs_plus->session_buf; const u8 *sequence_ptr = (const u8 *) tacacs_plus->sequence_buf; const int line_len = snprintf (line_buf, line_size, "%s%02x%02x%02x%02x$%s$%02x%02x", SIGNATURE_TACACS_PLUS, session_ptr[0], session_ptr[1], session_ptr[2], session_ptr[3], ct_data, sequence_ptr[0], sequence_ptr[1]); 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_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_outfile = 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 = 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_hash_type = module_hash_type; module_ctx->module_hlfmt_disable = 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_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_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; }