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02fe28fe6c
hashcat/modules/module_00500.c
jsteube 02fe28fe6c Preparation for -m 501
2019-01-12 23:42:31 +01:00

300 lines
14 KiB
C
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/**
* 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_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_4;
static const u32 HASH_CATEGORY = HASH_CATEGORY_OS;
static const char *HASH_NAME = "md5crypt, MD5 (Unix), Cisco-IOS $1$ (MD5)";
static const u32 HASH_TYPE = HASH_TYPE_GENERIC;
static const u64 KERN_TYPE = 500;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
static const u64 OPTS_TYPE = OPTS_TYPE_STATE_BUFFER_LE
| OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_PREFERED_THREAD;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "$1$38652870$DUjsu4TTlTsOe/xxZ05uf/";
typedef struct md5crypt_tmp
{
u32 digest_buf[4];
} md5crypt_tmp_t;
static const u32 ROUNDS_MD5CRYPT = 1000;
static const char *SIGNATURE_MD5CRYPT = "$1$";
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; }
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 (md5crypt_tmp_t);
return tmp_size;
}
static void md5crypt_decode (u8 digest[16], const u8 buf[22])
{
int l;
l = itoa64_to_int (buf[ 0]) << 0;
l |= itoa64_to_int (buf[ 1]) << 6;
l |= itoa64_to_int (buf[ 2]) << 12;
l |= itoa64_to_int (buf[ 3]) << 18;
digest[ 0] = (l >> 16) & 0xff;
digest[ 6] = (l >> 8) & 0xff;
digest[12] = (l >> 0) & 0xff;
l = itoa64_to_int (buf[ 4]) << 0;
l |= itoa64_to_int (buf[ 5]) << 6;
l |= itoa64_to_int (buf[ 6]) << 12;
l |= itoa64_to_int (buf[ 7]) << 18;
digest[ 1] = (l >> 16) & 0xff;
digest[ 7] = (l >> 8) & 0xff;
digest[13] = (l >> 0) & 0xff;
l = itoa64_to_int (buf[ 8]) << 0;
l |= itoa64_to_int (buf[ 9]) << 6;
l |= itoa64_to_int (buf[10]) << 12;
l |= itoa64_to_int (buf[11]) << 18;
digest[ 2] = (l >> 16) & 0xff;
digest[ 8] = (l >> 8) & 0xff;
digest[14] = (l >> 0) & 0xff;
l = itoa64_to_int (buf[12]) << 0;
l |= itoa64_to_int (buf[13]) << 6;
l |= itoa64_to_int (buf[14]) << 12;
l |= itoa64_to_int (buf[15]) << 18;
digest[ 3] = (l >> 16) & 0xff;
digest[ 9] = (l >> 8) & 0xff;
digest[15] = (l >> 0) & 0xff;
l = itoa64_to_int (buf[16]) << 0;
l |= itoa64_to_int (buf[17]) << 6;
l |= itoa64_to_int (buf[18]) << 12;
l |= itoa64_to_int (buf[19]) << 18;
digest[ 4] = (l >> 16) & 0xff;
digest[10] = (l >> 8) & 0xff;
digest[ 5] = (l >> 0) & 0xff;
l = itoa64_to_int (buf[20]) << 0;
l |= itoa64_to_int (buf[21]) << 6;
digest[11] = (l >> 0) & 0xff;
}
static void md5crypt_encode (const u8 digest[16], u8 buf[22])
{
int l;
l = (digest[ 0] << 16) | (digest[ 6] << 8) | (digest[12] << 0);
buf[ 0] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[ 1] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[ 2] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[ 3] = int_to_itoa64 (l & 0x3f); //l >>= 6;
l = (digest[ 1] << 16) | (digest[ 7] << 8) | (digest[13] << 0);
buf[ 4] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[ 5] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[ 6] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[ 7] = int_to_itoa64 (l & 0x3f); //l >>= 6;
l = (digest[ 2] << 16) | (digest[ 8] << 8) | (digest[14] << 0);
buf[ 8] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[ 9] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[10] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[11] = int_to_itoa64 (l & 0x3f); //l >>= 6;
l = (digest[ 3] << 16) | (digest[ 9] << 8) | (digest[15] << 0);
buf[12] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[13] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[14] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[15] = int_to_itoa64 (l & 0x3f); //l >>= 6;
l = (digest[ 4] << 16) | (digest[10] << 8) | (digest[ 5] << 0);
buf[16] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[17] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[18] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[19] = int_to_itoa64 (l & 0x3f); //l >>= 6;
l = (digest[11] << 0);
buf[20] = int_to_itoa64 (l & 0x3f); l >>= 6;
buf[21] = int_to_itoa64 (l & 0x3f); //l >>= 6;
}
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 hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
{
u32 *digest = (u32 *) digest_buf;
token_t token;
token.token_cnt = 3;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_MD5CRYPT;
token.len[0] = 3;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
token.len_min[1] = 0;
token.len_max[1] = 8;
token.sep[1] = '$';
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_OPTIONAL_ROUNDS;
token.len[2] = 22;
token.attr[2] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_BASE64B;
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
salt->salt_iter = ROUNDS_MD5CRYPT;
if (token.opt_len != -1)
{
salt->salt_iter = hc_strtoul ((const char *) token.opt_buf + 7, NULL, 10); // 7 = "rounds="
}
const u8 *salt_pos = token.buf[1];
const int salt_len = token.len[1];
const bool parse_rc = parse_and_store_generic_salt ((u8 *) salt->salt_buf, (int *) &salt->salt_len, salt_pos, salt_len, hashconfig);
if (parse_rc == false) return (PARSER_SALT_LENGTH);
const u8 *hash_pos = token.buf[2];
md5crypt_decode ((u8 *) digest, hash_pos);
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 hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size)
{
u8 tmp[100] = { 0 };
md5crypt_encode (digest_buf, tmp);
int line_len = 0;
if (salt->salt_iter == ROUNDS_MD5CRYPT)
{
line_len = snprintf (line_buf, line_size, "$1$%s$%s", (char *) salt->salt_buf, tmp);
}
else
{
line_len = snprintf (line_buf, line_size, "$1$rounds=%u$%s$%s", salt->salt_iter, (char *) salt->salt_buf, tmp);
}
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_DEFAULT;
module_ctx->module_extra_buffer_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_binary_verify = 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_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_tmp_size;
module_ctx->module_unstable_warning = MODULE_DEFAULT;
module_ctx->module_warmup_disable = MODULE_DEFAULT;
}
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