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hashcat/src/modules/module_07200.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_8_16;
static const u32 HASH_CATEGORY = HASH_CATEGORY_OS;
static const char *HASH_NAME = "GRUB 2";
static const u64 KERN_TYPE = 7100;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_USES_BITS_64
| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "grub.pbkdf2.sha512.1024.03510507805003756325721848020561235456073188241051876082416068104377357018503082587026352628170170411053726157658716047762755750.aac26b18c2b0c44bcf56514d46aabd52eea097d9c95122722087829982e9dd957b2b641cb1e015d4df16a84d0571e96cf6d3de6361431bdeed4ddb0940f2425b";
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 pbkdf2_sha512
{
u32 salt_buf[64];
} pbkdf2_sha512_t;
typedef struct pbkdf2_sha512_tmp
{
u64 ipad[8];
u64 opad[8];
u64 dgst[16];
u64 out[16];
} pbkdf2_sha512_tmp_t;
static const char *SIGNATURE_SHA512GRUB = "grub.pbkdf2.sha512.";
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 (pbkdf2_sha512_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_sha512_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;
}
bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
{
// amdgpu-pro-18.50-708488-ubuntu-18.04: password not found
if ((device_param->device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == false))
{
return true;
}
return false;
}
char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
{
char *jit_build_options = NULL;
if (device_param->device_vendor_id == VENDOR_ID_AMD)
{
hc_asprintf (&jit_build_options, "-D NO_UNROLL");
}
return jit_build_options;
}
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)
{
u64 *digest = (u64 *) digest_buf;
pbkdf2_sha512_t *pbkdf2_sha512 = (pbkdf2_sha512_t *) esalt_buf;
token_t token;
token.token_cnt = 4;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_SHA512GRUB;
token.len[0] = 19;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
token.len_min[1] = 1;
token.len_max[1] = 6;
token.sep[1] = '.';
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.len_min[2] = SALT_MIN;
token.len_max[2] = SALT_MAX;
token.sep[2] = '.';
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.len_min[3] = 128;
token.len_max[3] = 128;
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);
const u8 *hash_pos = token.buf[3];
digest[0] = hex_to_u64 (hash_pos + 0);
digest[1] = hex_to_u64 (hash_pos + 16);
digest[2] = hex_to_u64 (hash_pos + 32);
digest[3] = hex_to_u64 (hash_pos + 48);
digest[4] = hex_to_u64 (hash_pos + 64);
digest[5] = hex_to_u64 (hash_pos + 80);
digest[6] = hex_to_u64 (hash_pos + 96);
digest[7] = hex_to_u64 (hash_pos + 112);
digest[0] = byte_swap_64 (digest[0]);
digest[1] = byte_swap_64 (digest[1]);
digest[2] = byte_swap_64 (digest[2]);
digest[3] = byte_swap_64 (digest[3]);
digest[4] = byte_swap_64 (digest[4]);
digest[5] = byte_swap_64 (digest[5]);
digest[6] = byte_swap_64 (digest[6]);
digest[7] = byte_swap_64 (digest[7]);
const u8 *salt_pos = token.buf[2];
const int salt_len = token.len[2] / 2;
u8 *salt_buf_ptr = (u8 *) pbkdf2_sha512->salt_buf;
for (int i = 0, j = 0; i < salt_len; i += 1, j += 2)
{
salt_buf_ptr[i] = hex_to_u8 (salt_pos + j);
}
salt_buf_ptr[salt_len + 3] = 0x01;
salt_buf_ptr[salt_len + 4] = 0x80;
salt->salt_buf[0] = pbkdf2_sha512->salt_buf[0];
salt->salt_buf[1] = pbkdf2_sha512->salt_buf[1];
salt->salt_buf[2] = pbkdf2_sha512->salt_buf[2];
salt->salt_buf[3] = pbkdf2_sha512->salt_buf[3];
salt->salt_buf[4] = pbkdf2_sha512->salt_buf[4];
salt->salt_buf[5] = pbkdf2_sha512->salt_buf[5];
salt->salt_buf[6] = pbkdf2_sha512->salt_buf[6];
salt->salt_buf[7] = pbkdf2_sha512->salt_buf[7];
salt->salt_len = salt_len;
const u8 *iter_pos = token.buf[1];
salt->salt_iter = hc_strtoul ((const char *) iter_pos, NULL, 10) - 1;
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 = digest_buf;
const pbkdf2_sha512_t *pbkdf2_sha512 = (const pbkdf2_sha512_t *) esalt_buf;
int line_len = 0;
line_len += snprintf (line_buf + line_len, line_size - line_len, "%s%u.", SIGNATURE_SHA512GRUB, salt->salt_iter + 1);
unsigned char *salt_buf_ptr = (unsigned char *) pbkdf2_sha512->salt_buf;
for (u32 i = 0; i < salt->salt_len; i++)
{
line_len += snprintf (line_buf + line_len, line_size - line_len, "%02x", salt_buf_ptr[i]);
}
line_len += snprintf (line_buf + line_len, line_size - line_len, ".%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x",
digest[ 1], digest[ 0],
digest[ 3], digest[ 2],
digest[ 5], digest[ 4],
digest[ 7], digest[ 6],
digest[ 9], digest[ 8],
digest[11], digest[10],
digest[13], digest[12],
digest[15], digest[14]);
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_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_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_jit_build_options;
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_unstable_warning;
module_ctx->module_warmup_disable = MODULE_DEFAULT;
}
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