/** * 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_PRIVATE_KEY; static const char *HASH_NAME = "RSA/DSA/EC/OpenSSH Private Keys ($1, $3$)"; static const u64 KERN_TYPE = 22931; 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_SUGGEST_KG; static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; static const char *ST_PASS = "hashcat"; static const char *ST_HASH = "$sshng$1$16$14987802644369864387956120434709$1232$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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; } typedef struct pem { u32 data_buf[16384]; int data_len; int cipher; } pem_t; static const char *SIGNATURE_SSHNG = "$sshng$"; 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 (pem_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; pem_t *pem = (pem_t *) esalt_buf; hc_token_t token; memset (&token, 0, sizeof (hc_token_t)); token.token_cnt = 6; token.signatures_cnt = 1; token.signatures_buf[0] = SIGNATURE_SSHNG; token.len[0] = 7; token.attr[0] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_SIGNATURE; token.sep[1] = '$'; token.len[1] = 1; token.attr[1] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_DIGIT; token.sep[2] = '$'; token.len[2] = 2; token.attr[2] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_DIGIT; token.sep[3] = '$'; token.len[3] = 32; token.attr[3] = TOKEN_ATTR_FIXED_LENGTH | TOKEN_ATTR_VERIFY_HEX; token.sep[4] = '$'; token.len_min[4] = 1; token.len_max[4] = 8; token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH | TOKEN_ATTR_VERIFY_DIGIT; token.sep[5] = '$'; token.len_min[5] = 64; // 64 = minimum size (32 byte) to avoid out of boundary read in kernel token.len_max[5] = 65536; // 65536 = maximum asn.1 size fitting into 2 byte length integer token.attr[5] = 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); // cipher const u8 *cipher_pos = token.buf[1]; int cipher = hc_strtoul ((const char *) cipher_pos, NULL, 10); if ((cipher != 1) && (cipher != 3)) return (PARSER_CIPHER); pem->cipher = cipher; // IV length const u8 *iv_len_verify_pos = token.buf[2]; const int iv_len_verify = hc_strtoul ((const char *) iv_len_verify_pos, NULL, 10); if (iv_len_verify != 16) return (PARSER_SALT_LENGTH); // IV buffer const u8 *iv_pos = token.buf[3]; const int iv_len = token.len[3]; if (iv_len != 32) return (PARSER_SALT_LENGTH); salt->salt_buf[0] = hex_to_u32 (iv_pos + 0); salt->salt_buf[1] = hex_to_u32 (iv_pos + 8); salt->salt_buf[2] = hex_to_u32 (iv_pos + 16); salt->salt_buf[3] = hex_to_u32 (iv_pos + 24); salt->salt_len = 16; // data length const u8 *data_len_verify_pos = token.buf[4]; const int data_len_verify = hc_strtoul ((const char *) data_len_verify_pos, NULL, 10); // data const u8 *data_pos = token.buf[5]; const int data_len = token.len[5]; pem->data_len = hex_decode (data_pos, data_len, (u8 *) pem->data_buf); if (data_len_verify != pem->data_len) return (PARSER_HASH_LENGTH); // data has to be a multiple of cipher block size if (pem->data_len % 16) return (PARSER_HASH_LENGTH); // hash digest[0] = pem->data_buf[0]; digest[1] = pem->data_buf[1]; digest[2] = pem->data_buf[2]; digest[3] = pem->data_buf[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 pem_t *pem = (const pem_t *) esalt_buf; u8 *out_buf = (u8 *) line_buf; int out_len = 0; out_len = snprintf ((char *) out_buf, line_size, "%s%d$16$%08x%08x%08x%08x$%d$", SIGNATURE_SSHNG, pem->cipher, 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]), pem->data_len); out_len += hex_encode ((const u8 *) pem->data_buf, pem->data_len, 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; }