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hashcat/src/modules/module_09820.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_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_DOCUMENTS;
static const char *HASH_NAME = "MS Office <= 2003 $3, SHA1 + RC4, collider #2";
static const u64 KERN_TYPE = 9820;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_PRECOMPUTE_INIT
| OPTI_TYPE_NOT_ITERATED;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_BE
| OPTS_TYPE_PT_ADD80
| OPTS_TYPE_PT_UTF16LE
| OPTS_TYPE_PT_NEVERCRACK;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "$oldoffice$3*83328705222323020515404251156288*2855956a165ff6511bc7f4cd77b9e101*941861655e73a09c40f7b1e9dfd0c256ed285acd:b8f63619ca";
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 oldoffice34
{
u32 version;
u32 encryptedVerifier[4];
u32 encryptedVerifierHash[5];
u32 rc4key[2];
} oldoffice34_t;
static const char *SIGNATURE_OLDOFFICE = "$oldoffice$";
static const char *SIGNATURE_OLDOFFICE3 = "$oldoffice$3";
static const char *SIGNATURE_OLDOFFICE4 = "$oldoffice$4";
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 (oldoffice34_t);
return esalt_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)
{
const u32 pw_max = 15; // https://msdn.microsoft.com/en-us/library/dd772916(v=office.12).aspx
return pw_max;
}
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;
oldoffice34_t *oldoffice34 = (oldoffice34_t *) esalt_buf;
token_t token;
token.token_cnt = 6;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_OLDOFFICE3;
token.len[0] = 11;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
token.len_min[1] = 1;
token.len_max[1] = 1;
token.sep[1] = '*';
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.len_min[2] = 32;
token.len_max[2] = 32;
token.sep[2] = '*';
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH;
token.len_min[3] = 32;
token.len_max[3] = 32;
token.sep[3] = '*';
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.len_min[4] = 40;
token.len_max[4] = 40;
token.sep[4] = ':';
token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.len_min[5] = 10;
token.len_max[5] = 10;
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);
const u8 *version_pos = token.buf[1];
const u8 *osalt_pos = token.buf[2];
const u8 *encryptedVerifier_pos = token.buf[3];
const u8 *encryptedVerifierHash_pos = token.buf[4];
const u8 *rc4key_pos = token.buf[5];
// esalt
const u32 version = *version_pos - 0x30;
if (version != 3 && version != 4) return (PARSER_SALT_VALUE);
oldoffice34->version = version;
oldoffice34->encryptedVerifier[0] = hex_to_u32 (encryptedVerifier_pos + 0);
oldoffice34->encryptedVerifier[1] = hex_to_u32 (encryptedVerifier_pos + 8);
oldoffice34->encryptedVerifier[2] = hex_to_u32 (encryptedVerifier_pos + 16);
oldoffice34->encryptedVerifier[3] = hex_to_u32 (encryptedVerifier_pos + 24);
oldoffice34->encryptedVerifierHash[0] = hex_to_u32 (encryptedVerifierHash_pos + 0);
oldoffice34->encryptedVerifierHash[1] = hex_to_u32 (encryptedVerifierHash_pos + 8);
oldoffice34->encryptedVerifierHash[2] = hex_to_u32 (encryptedVerifierHash_pos + 16);
oldoffice34->encryptedVerifierHash[3] = hex_to_u32 (encryptedVerifierHash_pos + 24);
oldoffice34->encryptedVerifierHash[4] = hex_to_u32 (encryptedVerifierHash_pos + 32);
oldoffice34->rc4key[1] = 0;
oldoffice34->rc4key[0] = 0;
oldoffice34->rc4key[0] |= hex_convert (rc4key_pos[0]) << 28;
oldoffice34->rc4key[0] |= hex_convert (rc4key_pos[1]) << 24;
oldoffice34->rc4key[0] |= hex_convert (rc4key_pos[2]) << 20;
oldoffice34->rc4key[0] |= hex_convert (rc4key_pos[3]) << 16;
oldoffice34->rc4key[0] |= hex_convert (rc4key_pos[4]) << 12;
oldoffice34->rc4key[0] |= hex_convert (rc4key_pos[5]) << 8;
oldoffice34->rc4key[0] |= hex_convert (rc4key_pos[6]) << 4;
oldoffice34->rc4key[0] |= hex_convert (rc4key_pos[7]) << 0;
oldoffice34->rc4key[1] |= hex_convert (rc4key_pos[8]) << 28;
oldoffice34->rc4key[1] |= hex_convert (rc4key_pos[9]) << 24;
oldoffice34->rc4key[0] = byte_swap_32 (oldoffice34->rc4key[0]);
oldoffice34->rc4key[1] = byte_swap_32 (oldoffice34->rc4key[1]);
// salt
salt->salt_len = 16;
salt->salt_buf[ 0] = hex_to_u32 (osalt_pos + 0);
salt->salt_buf[ 1] = hex_to_u32 (osalt_pos + 8);
salt->salt_buf[ 2] = hex_to_u32 (osalt_pos + 16);
salt->salt_buf[ 3] = hex_to_u32 (osalt_pos + 24);
salt->salt_buf[ 0] = byte_swap_32 (salt->salt_buf[0]);
salt->salt_buf[ 1] = byte_swap_32 (salt->salt_buf[1]);
salt->salt_buf[ 2] = byte_swap_32 (salt->salt_buf[2]);
salt->salt_buf[ 3] = byte_swap_32 (salt->salt_buf[3]);
// this is a workaround as office produces multiple documents with the same salt
salt->salt_buf[ 4] = oldoffice34->encryptedVerifier[0];
salt->salt_buf[ 5] = oldoffice34->encryptedVerifier[1];
salt->salt_buf[ 6] = oldoffice34->encryptedVerifier[2];
salt->salt_buf[ 7] = oldoffice34->encryptedVerifier[3];
salt->salt_buf[ 8] = oldoffice34->encryptedVerifierHash[0];
salt->salt_buf[ 9] = oldoffice34->encryptedVerifierHash[1];
salt->salt_buf[10] = oldoffice34->encryptedVerifierHash[2];
salt->salt_buf[11] = oldoffice34->encryptedVerifierHash[3];
salt->salt_len += 32;
/**
* digest
*/
digest[0] = oldoffice34->rc4key[0];
digest[1] = oldoffice34->rc4key[1];
digest[2] = 0;
digest[3] = 0;
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 oldoffice34_t *oldoffice34 = (const oldoffice34_t *) esalt_buf;
const u8 *rc4key = (const u8 *) oldoffice34->rc4key;
const int line_len = snprintf (line_buf, line_size, "%s%d*%08x%08x%08x%08x*%08x%08x%08x%08x*%08x%08x%08x%08x%08x:%02x%02x%02x%02x%02x",
SIGNATURE_OLDOFFICE,
oldoffice34->version,
salt->salt_buf[0],
salt->salt_buf[1],
salt->salt_buf[2],
salt->salt_buf[3],
byte_swap_32 (oldoffice34->encryptedVerifier[0]),
byte_swap_32 (oldoffice34->encryptedVerifier[1]),
byte_swap_32 (oldoffice34->encryptedVerifier[2]),
byte_swap_32 (oldoffice34->encryptedVerifier[3]),
byte_swap_32 (oldoffice34->encryptedVerifierHash[0]),
byte_swap_32 (oldoffice34->encryptedVerifierHash[1]),
byte_swap_32 (oldoffice34->encryptedVerifierHash[2]),
byte_swap_32 (oldoffice34->encryptedVerifierHash[3]),
byte_swap_32 (oldoffice34->encryptedVerifierHash[4]),
rc4key[0],
rc4key[1],
rc4key[2],
rc4key[3],
rc4key[4]);
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_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_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_DEFAULT;
module_ctx->module_unstable_warning = MODULE_DEFAULT;
module_ctx->module_warmup_disable = MODULE_DEFAULT;
}
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