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9b529dc34c
hashcat/src/straight.c
Jens Steube 04d5e5a119 New Attack-Mode: Association Attack. Like JtR's single mode. Very early 
stage. See hashcat Forum for detailed writeup.
2020-09-29 15:56:32 +02:00

509 lines
13 KiB
C
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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#include "common.h"
#include "types.h"
#include "memory.h"
#include "event.h"
#include "logfile.h"
#include "shared.h"
#include "folder.h"
#include "rp.h"
#include "wordlist.h"
#include "straight.h"
static int straight_ctx_add_wl (hashcat_ctx_t *hashcat_ctx, const char *dict)
{
if (hc_path_has_bom (dict) == true)
{
event_log_error (hashcat_ctx, "%s: Byte Order Mark (BOM) was detected", dict);
return -1;
}
straight_ctx_t *straight_ctx = hashcat_ctx->straight_ctx;
if (straight_ctx->dicts_avail == straight_ctx->dicts_cnt)
{
straight_ctx->dicts = (char **) hcrealloc (straight_ctx->dicts, straight_ctx->dicts_avail * sizeof (char *), INCR_DICTS * sizeof (char *));
straight_ctx->dicts_avail += INCR_DICTS;
}
straight_ctx->dicts[straight_ctx->dicts_cnt] = hcstrdup (dict);
straight_ctx->dicts_cnt++;
return 0;
}
int straight_ctx_update_loop (hashcat_ctx_t *hashcat_ctx)
{
combinator_ctx_t *combinator_ctx = hashcat_ctx->combinator_ctx;
induct_ctx_t *induct_ctx = hashcat_ctx->induct_ctx;
hashes_t *hashes = hashcat_ctx->hashes;
logfile_ctx_t *logfile_ctx = hashcat_ctx->logfile_ctx;
mask_ctx_t *mask_ctx = hashcat_ctx->mask_ctx;
status_ctx_t *status_ctx = hashcat_ctx->status_ctx;
straight_ctx_t *straight_ctx = hashcat_ctx->straight_ctx;
user_options_extra_t *user_options_extra = hashcat_ctx->user_options_extra;
user_options_t *user_options = hashcat_ctx->user_options;
if (user_options->attack_mode == ATTACK_MODE_STRAIGHT)
{
if (user_options_extra->wordlist_mode == WL_MODE_FILE)
{
if (induct_ctx->induction_dictionaries_cnt)
{
straight_ctx->dict = induct_ctx->induction_dictionaries[induct_ctx->induction_dictionaries_pos];
}
else
{
straight_ctx->dict = straight_ctx->dicts[straight_ctx->dicts_pos];
}
logfile_sub_string (straight_ctx->dict);
for (u32 i = 0; i < user_options->rp_files_cnt; i++)
{
logfile_sub_var_string ("rulefile", user_options->rp_files[i]);
}
HCFILE fp;
if (hc_fopen (&fp, straight_ctx->dict, "rb") == false)
{
event_log_error (hashcat_ctx, "%s: %s", straight_ctx->dict, strerror (errno));
return -1;
}
const int rc = count_words (hashcat_ctx, &fp, straight_ctx->dict, &status_ctx->words_cnt);
hc_fclose (&fp);
if (rc == -1)
{
event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", straight_ctx->dict);
return -1;
}
if (status_ctx->words_cnt == 0)
{
logfile_sub_msg ("STOP");
return 0;
}
}
}
else if (user_options->attack_mode == ATTACK_MODE_COMBI)
{
logfile_sub_string (combinator_ctx->dict1);
logfile_sub_string (combinator_ctx->dict2);
if (combinator_ctx->combs_mode == COMBINATOR_MODE_BASE_LEFT)
{
HCFILE fp;
if (hc_fopen (&fp, combinator_ctx->dict1, "rb") == false)
{
event_log_error (hashcat_ctx, "%s: %s", combinator_ctx->dict1, strerror (errno));
return -1;
}
const int rc = count_words (hashcat_ctx, &fp, combinator_ctx->dict1, &status_ctx->words_cnt);
hc_fclose (&fp);
if (rc == -1)
{
event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", combinator_ctx->dict1);
return -1;
}
}
else if (combinator_ctx->combs_mode == COMBINATOR_MODE_BASE_RIGHT)
{
HCFILE fp;
if (hc_fopen (&fp, combinator_ctx->dict2, "rb") == false)
{
event_log_error (hashcat_ctx, "%s: %s", combinator_ctx->dict2, strerror (errno));
return -1;
}
const int rc = count_words (hashcat_ctx, &fp, combinator_ctx->dict2, &status_ctx->words_cnt);
hc_fclose (&fp);
if (rc == -1)
{
event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", combinator_ctx->dict2);
return -1;
}
}
if (status_ctx->words_cnt == 0)
{
logfile_sub_msg ("STOP");
return 0;
}
}
else if (user_options->attack_mode == ATTACK_MODE_BF)
{
logfile_sub_string (mask_ctx->mask);
}
else if ((user_options->attack_mode == ATTACK_MODE_HYBRID1) || (user_options->attack_mode == ATTACK_MODE_HYBRID2))
{
if (induct_ctx->induction_dictionaries_cnt)
{
straight_ctx->dict = induct_ctx->induction_dictionaries[induct_ctx->induction_dictionaries_pos];
}
else
{
straight_ctx->dict = straight_ctx->dicts[straight_ctx->dicts_pos];
}
logfile_sub_string (straight_ctx->dict);
logfile_sub_string (mask_ctx->mask);
HCFILE fp;
if (hc_fopen (&fp, straight_ctx->dict, "rb") == false)
{
event_log_error (hashcat_ctx, "%s: %s", straight_ctx->dict, strerror (errno));
return -1;
}
const int rc = count_words (hashcat_ctx, &fp, straight_ctx->dict, &status_ctx->words_cnt);
hc_fclose (&fp);
if (rc == -1)
{
event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", straight_ctx->dict);
return -1;
}
if (status_ctx->words_cnt == 0)
{
logfile_sub_msg ("STOP");
return 0;
}
}
else if (user_options->attack_mode == ATTACK_MODE_ASSOCIATION)
{
if (user_options_extra->wordlist_mode == WL_MODE_FILE)
{
straight_ctx->dict = straight_ctx->dicts[straight_ctx->dicts_pos];
logfile_sub_string (straight_ctx->dict);
for (u32 i = 0; i < user_options->rp_files_cnt; i++)
{
logfile_sub_var_string ("rulefile", user_options->rp_files[i]);
}
HCFILE fp;
if (hc_fopen (&fp, straight_ctx->dict, "rb") == false)
{
event_log_error (hashcat_ctx, "%s: %s", straight_ctx->dict, strerror (errno));
return -1;
}
const int rc = count_words (hashcat_ctx, &fp, straight_ctx->dict, &status_ctx->words_cnt);
hc_fclose (&fp);
if (rc == -1)
{
event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", straight_ctx->dict);
return -1;
}
if ((status_ctx->words_cnt / straight_ctx->kernel_rules_cnt) != hashes->salts_cnt)
{
event_log_error (hashcat_ctx, "Number of words in wordlist %s is not in sync with number of salts (words: %" PRIu64 ", salts: %d)", straight_ctx->dict, status_ctx->words_cnt, hashes->salts_cnt);
return -1;
}
if (status_ctx->words_cnt == 0)
{
logfile_sub_msg ("STOP");
return 0;
}
}
}
return 0;
}
int straight_ctx_init (hashcat_ctx_t *hashcat_ctx)
{
straight_ctx_t *straight_ctx = hashcat_ctx->straight_ctx;
user_options_extra_t *user_options_extra = hashcat_ctx->user_options_extra;
user_options_t *user_options = hashcat_ctx->user_options;
straight_ctx->enabled = false;
if (user_options->example_hashes == true) return 0;
if (user_options->left == true) return 0;
if (user_options->backend_info == true) return 0;
if (user_options->show == true) return 0;
if (user_options->usage == true) return 0;
if (user_options->version == true) return 0;
if (user_options->attack_mode == ATTACK_MODE_BF) return 0;
straight_ctx->enabled = true;
/**
* generate NOP rules
*/
if ((user_options->rp_files_cnt == 0) && (user_options->rp_gen == 0))
{
straight_ctx->kernel_rules_buf = (kernel_rule_t *) hcmalloc (sizeof (kernel_rule_t));
straight_ctx->kernel_rules_buf[0].cmds[0] = RULE_OP_MANGLE_NOOP;
straight_ctx->kernel_rules_cnt = 1;
}
else
{
if (user_options->rp_files_cnt)
{
if (kernel_rules_load (hashcat_ctx, &straight_ctx->kernel_rules_buf, &straight_ctx->kernel_rules_cnt) == -1) return -1;
}
else if (user_options->rp_gen)
{
if (kernel_rules_generate (hashcat_ctx, &straight_ctx->kernel_rules_buf, &straight_ctx->kernel_rules_cnt) == -1) return -1;
}
}
/**
* wordlist based work
*/
if ((user_options->attack_mode == ATTACK_MODE_STRAIGHT) || (user_options->attack_mode == ATTACK_MODE_ASSOCIATION))
{
if (user_options_extra->wordlist_mode == WL_MODE_FILE)
{
for (int i = 0; i < user_options_extra->hc_workc; i++)
{
char *l0_filename = user_options_extra->hc_workv[i];
// at this point we already verified the path actually exist and is readable
if (hc_path_is_directory (l0_filename) == true)
{
char **dictionary_files;
dictionary_files = scan_directory (l0_filename);
if (dictionary_files != NULL)
{
qsort (dictionary_files, (size_t) count_dictionaries (dictionary_files), sizeof (char *), sort_by_stringptr);
for (int d = 0; dictionary_files[d] != NULL; d++)
{
char *l1_filename = dictionary_files[d];
if (hc_path_read (l1_filename) == false)
{
event_log_error (hashcat_ctx, "%s: %s", l1_filename, strerror (errno));
hcfree (dictionary_files);
return -1;
}
if (hc_path_is_file (l1_filename) == true)
{
if (straight_ctx_add_wl (hashcat_ctx, l1_filename) == -1)
{
hcfree (dictionary_files);
return -1;
}
}
}
}
hcfree (dictionary_files);
}
else
{
if (straight_ctx_add_wl (hashcat_ctx, l0_filename) == -1) return -1;
}
}
if (straight_ctx->dicts_cnt == 0)
{
event_log_error (hashcat_ctx, "No usable dictionary file found.");
return -1;
}
}
}
else if (user_options->attack_mode == ATTACK_MODE_COMBI)
{
}
else if (user_options->attack_mode == ATTACK_MODE_BF)
{
}
else if (user_options->attack_mode == ATTACK_MODE_HYBRID1)
{
for (int i = 0; i < user_options_extra->hc_workc - 1; i++)
{
char *l0_filename = user_options_extra->hc_workv[i];
// at this point we already verified the path actually exist and is readable
if (hc_path_is_directory (l0_filename) == true)
{
char **dictionary_files;
dictionary_files = scan_directory (l0_filename);
if (dictionary_files != NULL)
{
qsort (dictionary_files, (size_t) count_dictionaries (dictionary_files), sizeof (char *), sort_by_stringptr);
for (int d = 0; dictionary_files[d] != NULL; d++)
{
char *l1_filename = dictionary_files[d];
if (hc_path_read (l1_filename) == false)
{
event_log_error (hashcat_ctx, "%s: %s", l1_filename, strerror (errno));
hcfree (dictionary_files);
return -1;
}
if (hc_path_is_file (l1_filename) == true)
{
if (straight_ctx_add_wl (hashcat_ctx, l1_filename) == -1)
{
hcfree (dictionary_files);
return -1;
}
}
}
}
hcfree (dictionary_files);
}
else
{
if (straight_ctx_add_wl (hashcat_ctx, l0_filename) == -1) return -1;
}
}
if (straight_ctx->dicts_cnt == 0)
{
event_log_error (hashcat_ctx, "No usable dictionary file found.");
return -1;
}
}
else if (user_options->attack_mode == ATTACK_MODE_HYBRID2)
{
for (int i = 1; i < user_options_extra->hc_workc; i++)
{
char *l0_filename = user_options_extra->hc_workv[i];
// at this point we already verified the path actually exist and is readable
if (hc_path_is_directory (l0_filename) == true)
{
char **dictionary_files;
dictionary_files = scan_directory (l0_filename);
if (dictionary_files != NULL)
{
qsort (dictionary_files, (size_t) count_dictionaries (dictionary_files), sizeof (char *), sort_by_stringptr);
for (int d = 0; dictionary_files[d] != NULL; d++)
{
char *l1_filename = dictionary_files[d];
if (hc_path_read (l1_filename) == false)
{
event_log_error (hashcat_ctx, "%s: %s", l1_filename, strerror (errno));
hcfree (dictionary_files);
return -1;
}
if (hc_path_is_file (l1_filename) == true)
{
if (straight_ctx_add_wl (hashcat_ctx, l1_filename) == -1)
{
hcfree (dictionary_files);
return -1;
}
}
}
}
hcfree (dictionary_files);
}
else
{
if (straight_ctx_add_wl (hashcat_ctx, l0_filename) == -1) return -1;
}
}
if (straight_ctx->dicts_cnt == 0)
{
event_log_error (hashcat_ctx, "No usable dictionary file found.");
return -1;
}
}
return 0;
}
void straight_ctx_destroy (hashcat_ctx_t *hashcat_ctx)
{
straight_ctx_t *straight_ctx = hashcat_ctx->straight_ctx;
if (straight_ctx->enabled == false) return;
for (u32 dict_pos = 0; dict_pos < straight_ctx->dicts_cnt; dict_pos++)
{
hcfree (straight_ctx->dicts[dict_pos]);
}
hcfree (straight_ctx->dicts);
hcfree (straight_ctx->kernel_rules_buf);
memset (straight_ctx, 0, sizeof (straight_ctx_t));
}
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