Пример #1
0
int build_debugdata (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, plain_t *plain, u8 *debug_rule_buf, int *debug_rule_len, u8 *debug_plain_ptr, int *debug_plain_len)
{
  const debugfile_ctx_t *debugfile_ctx = hashcat_ctx->debugfile_ctx;
  const straight_ctx_t  *straight_ctx  = hashcat_ctx->straight_ctx;
  const user_options_t  *user_options  = hashcat_ctx->user_options;

  const u32 gidvid = plain->gidvid;
  const u32 il_pos = plain->il_pos;

  if (user_options->attack_mode != ATTACK_MODE_STRAIGHT) return 0;

  const u32 debug_mode = debugfile_ctx->mode;

  if (debug_mode == 0) return 0;

  pw_t pw;

  const int rc = gidd_to_pw_t (hashcat_ctx, device_param, gidvid, &pw);

  if (rc == -1) return -1;

  int plain_len = (int) pw.pw_len;

  const u32 off = device_param->innerloop_pos + il_pos;

  // save rule
  if ((debug_mode == 1) || (debug_mode == 3) || (debug_mode == 4))
  {
    const int len = kernel_rule_to_cpu_rule ((char *) debug_rule_buf, &straight_ctx->kernel_rules_buf[off]);

    debug_rule_buf[len] = 0;

    *debug_rule_len = len;
  }

  // save plain
  if ((debug_mode == 2) || (debug_mode == 3) || (debug_mode == 4))
  {
    memcpy (debug_plain_ptr, (char *) pw.i, (size_t) plain_len);

    debug_plain_ptr[plain_len] = 0;

    *debug_plain_len = plain_len;
  }

  return 0;
}
Пример #2
0
int build_plain (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, plain_t *plain, u32 *plain_buf, int *out_len)
{
  const combinator_ctx_t *combinator_ctx = hashcat_ctx->combinator_ctx;
  const hashconfig_t     *hashconfig     = hashcat_ctx->hashconfig;
  const hashes_t         *hashes         = hashcat_ctx->hashes;
  const mask_ctx_t       *mask_ctx       = hashcat_ctx->mask_ctx;
  const straight_ctx_t   *straight_ctx   = hashcat_ctx->straight_ctx;
  const user_options_t   *user_options   = hashcat_ctx->user_options;

  const u32 gidvid = plain->gidvid;
  const u32 il_pos = plain->il_pos;

  int plain_len = 0;

  u8 *plain_ptr = (u8 *) plain_buf;

  if (user_options->attack_mode == ATTACK_MODE_STRAIGHT)
  {
    pw_t pw;

    const int rc = gidd_to_pw_t (hashcat_ctx, device_param, gidvid, &pw);

    if (rc == -1) return -1;

    for (int i = 0; i < 16; i++)
    {
      plain_buf[i] = pw.i[i];
    }

    plain_len = (int) pw.pw_len;

    const u32 off = device_param->innerloop_pos + il_pos;

    plain_len = (int) apply_rules (straight_ctx->kernel_rules_buf[off].cmds, &plain_buf[0], &plain_buf[4], (u32) plain_len);

    if (plain_len > (int) hashconfig->pw_max) plain_len = (int) hashconfig->pw_max;
  }
  else if (user_options->attack_mode == ATTACK_MODE_COMBI)
  {
    pw_t pw;

    const int rc = gidd_to_pw_t (hashcat_ctx, device_param, gidvid, &pw);

    if (rc == -1) return -1;

    for (int i = 0; i < 16; i++)
    {
      plain_buf[i] = pw.i[i];
    }

    plain_len = (int) pw.pw_len;

    char *comb_buf = (char *) device_param->combs_buf[il_pos].i;
    u32   comb_len =          device_param->combs_buf[il_pos].pw_len;

    if (combinator_ctx->combs_mode == COMBINATOR_MODE_BASE_LEFT)
    {
      memcpy (plain_ptr + plain_len, comb_buf, (size_t) comb_len);
    }
    else
    {
      memmove (plain_ptr + comb_len, plain_ptr, (size_t) plain_len);

      memcpy (plain_ptr, comb_buf, comb_len);
    }

    plain_len += comb_len;

    if (plain_len > (int) hashconfig->pw_max) plain_len = (int) hashconfig->pw_max;
  }
  else if (user_options->attack_mode == ATTACK_MODE_BF)
  {
    u64 l_off = device_param->kernel_params_mp_l_buf64[3] + gidvid;
    u64 r_off = device_param->kernel_params_mp_r_buf64[3] + il_pos;

    u32 l_start = device_param->kernel_params_mp_l_buf32[5];
    u32 r_start = device_param->kernel_params_mp_r_buf32[5];

    u32 l_stop = device_param->kernel_params_mp_l_buf32[4];
    u32 r_stop = device_param->kernel_params_mp_r_buf32[4];

    sp_exec (l_off, (char *) plain_ptr + l_start, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, l_start, l_start + l_stop);
    sp_exec (r_off, (char *) plain_ptr + r_start, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, r_start, r_start + r_stop);

    plain_len = (int) mask_ctx->css_cnt;
  }
  else if (user_options->attack_mode == ATTACK_MODE_HYBRID1)
  {
    pw_t pw;

    const int rc = gidd_to_pw_t (hashcat_ctx, device_param, gidvid, &pw);

    if (rc == -1) return -1;

    for (int i = 0; i < 16; i++)
    {
      plain_buf[i] = pw.i[i];
    }

    plain_len = (int) pw.pw_len;

    u64 off = device_param->kernel_params_mp_buf64[3] + il_pos;

    u32 start = 0;
    u32 stop  = device_param->kernel_params_mp_buf32[4];

    sp_exec (off, (char *) plain_ptr + plain_len, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, start, start + stop);

    plain_len += start + stop;

    if (plain_len > (int) hashconfig->pw_max) plain_len = (int) hashconfig->pw_max;
  }
  else if (user_options->attack_mode == ATTACK_MODE_HYBRID2)
  {
    pw_t pw;

    const int rc = gidd_to_pw_t (hashcat_ctx, device_param, gidvid, &pw);

    if (rc == -1) return -1;

    for (int i = 0; i < 16; i++)
    {
      plain_buf[i] = pw.i[i];
    }

    plain_len = (int) pw.pw_len;

    u64 off = device_param->kernel_params_mp_buf64[3] + il_pos;

    u32 start = 0;
    u32 stop  = device_param->kernel_params_mp_buf32[4];

    memmove (plain_ptr + stop, plain_ptr, plain_len);

    sp_exec (off, (char *) plain_ptr, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, start, start + stop);

    plain_len += start + stop;

    if (plain_len > (int) hashconfig->pw_max) plain_len = (int) hashconfig->pw_max;
  }

  if (user_options->attack_mode == ATTACK_MODE_BF)
  {
    if (hashconfig->opti_type & OPTI_TYPE_BRUTE_FORCE) // lots of optimizations can happen here
    {
      if (hashconfig->opti_type & OPTI_TYPE_SINGLE_HASH)
      {
        if (hashconfig->opti_type & OPTI_TYPE_APPENDED_SALT)
        {
          plain_len = plain_len - hashes->salts_buf[0].salt_len;
        }
      }

      if (hashconfig->opts_type & OPTS_TYPE_PT_UNICODE)
      {
        for (int i = 0, j = 0; i < plain_len; i += 2, j += 1)
        {
          plain_ptr[j] = plain_ptr[i];
        }

        plain_len = plain_len / 2;
      }
    }
  }

  plain_ptr[plain_len] = 0;

  *out_len = plain_len;

  return 0;
}
Пример #3
0
int process_stdout (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, const u64 pws_cnt)
{
  combinator_ctx_t *combinator_ctx = hashcat_ctx->combinator_ctx;
  hashconfig_t     *hashconfig     = hashcat_ctx->hashconfig;
  mask_ctx_t       *mask_ctx       = hashcat_ctx->mask_ctx;
  outfile_ctx_t    *outfile_ctx    = hashcat_ctx->outfile_ctx;
  straight_ctx_t   *straight_ctx   = hashcat_ctx->straight_ctx;
  user_options_t   *user_options   = hashcat_ctx->user_options;

  out_t out;

  out.fp = stdout;

  char *filename = outfile_ctx->filename;

  if (filename)
  {
    FILE *fp = fopen (filename, "ab");

    if (fp == NULL)
    {
      event_log_error (hashcat_ctx, "%s: %s", filename, strerror (errno));

      return -1;
    }

    if (lock_file (fp) == -1)
    {
      fclose (fp);

      event_log_error (hashcat_ctx, "%s: %s", filename, strerror (errno));

      return -1;
    }

    out.fp = fp;
  }

  out.len = 0;

  u32 plain_buf[64] = { 0 };

  u8 *plain_ptr = (u8 *) plain_buf;

  u32 plain_len = 0;

  const u32 il_cnt = device_param->kernel_params_buf32[30]; // ugly, i know

  if (user_options->attack_mode == ATTACK_MODE_STRAIGHT)
  {
    pw_t pw;

    for (u64 gidvid = 0; gidvid < pws_cnt; gidvid++)
    {
      const int rc = gidd_to_pw_t (hashcat_ctx, device_param, gidvid, &pw);

      if (rc == -1)
      {
        if (filename) fclose (out.fp);

        return -1;
      }

      for (u32 il_pos = 0; il_pos < il_cnt; il_pos++)
      {
        const u32 off = device_param->innerloop_pos + il_pos;

        if (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL)
        {
          for (int i = 0; i < 8; i++)
          {
            plain_buf[i] = pw.i[i];
          }

          plain_len = apply_rules_optimized (straight_ctx->kernel_rules_buf[off].cmds, &plain_buf[0], &plain_buf[4], pw.pw_len);
        }
        else
        {
          for (int i = 0; i < 64; i++)
          {
            plain_buf[i] = pw.i[i];
          }

          plain_len = apply_rules (straight_ctx->kernel_rules_buf[off].cmds, plain_buf, pw.pw_len);
        }

        if (plain_len > hashconfig->pw_max) plain_len = hashconfig->pw_max;

        out_push (&out, plain_ptr, plain_len);
      }
    }
  }
  else if (user_options->attack_mode == ATTACK_MODE_COMBI)
  {
    pw_t pw;

    for (u64 gidvid = 0; gidvid < pws_cnt; gidvid++)
    {
      const int rc = gidd_to_pw_t (hashcat_ctx, device_param, gidvid, &pw);

      if (rc == -1)
      {
        if (filename) fclose (out.fp);

        return -1;
      }

      for (u32 il_pos = 0; il_pos < il_cnt; il_pos++)
      {
        for (int i = 0; i < 64; i++)
        {
          plain_buf[i] = pw.i[i];
        }

        plain_len = pw.pw_len;

        char *comb_buf = (char *) device_param->combs_buf[il_pos].i;
        u32   comb_len =          device_param->combs_buf[il_pos].pw_len;

        if (combinator_ctx->combs_mode == COMBINATOR_MODE_BASE_LEFT)
        {
          memcpy (plain_ptr + plain_len, comb_buf, comb_len);
        }
        else
        {
          memmove (plain_ptr + comb_len, plain_ptr, plain_len);

          memcpy (plain_ptr, comb_buf, comb_len);
        }

        plain_len += comb_len;

        if (plain_len > hashconfig->pw_max) plain_len = hashconfig->pw_max;

        out_push (&out, plain_ptr, plain_len);
      }
    }
  }
  else if (user_options->attack_mode == ATTACK_MODE_BF)
  {
    for (u64 gidvid = 0; gidvid < pws_cnt; gidvid++)
    {
      for (u32 il_pos = 0; il_pos < il_cnt; il_pos++)
      {
        u64 l_off = device_param->kernel_params_mp_l_buf64[3] + gidvid;
        u64 r_off = device_param->kernel_params_mp_r_buf64[3] + il_pos;

        u32 l_start = device_param->kernel_params_mp_l_buf32[5];
        u32 r_start = device_param->kernel_params_mp_r_buf32[5];

        u32 l_stop = device_param->kernel_params_mp_l_buf32[4];
        u32 r_stop = device_param->kernel_params_mp_r_buf32[4];

        sp_exec (l_off, (char *) plain_ptr + l_start, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, l_start, l_start + l_stop);
        sp_exec (r_off, (char *) plain_ptr + r_start, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, r_start, r_start + r_stop);

        plain_len = mask_ctx->css_cnt;

        out_push (&out, plain_ptr, plain_len);
      }
    }
  }
  else if (user_options->attack_mode == ATTACK_MODE_HYBRID1)
  {
    pw_t pw;

    for (u64 gidvid = 0; gidvid < pws_cnt; gidvid++)
    {
      const int rc = gidd_to_pw_t (hashcat_ctx, device_param, gidvid, &pw);

      if (rc == -1)
      {
        if (filename) fclose (out.fp);

        return -1;
      }

      for (u32 il_pos = 0; il_pos < il_cnt; il_pos++)
      {
        for (int i = 0; i < 64; i++)
        {
          plain_buf[i] = pw.i[i];
        }

        plain_len = pw.pw_len;

        u64 off = device_param->kernel_params_mp_buf64[3] + il_pos;

        u32 start = 0;
        u32 stop  = device_param->kernel_params_mp_buf32[4];

        sp_exec (off, (char *) plain_ptr + plain_len, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, start, start + stop);

        plain_len += start + stop;

        out_push (&out, plain_ptr, plain_len);
      }
    }
  }
  else if (user_options->attack_mode == ATTACK_MODE_HYBRID2)
  {
    pw_t pw;

    for (u64 gidvid = 0; gidvid < pws_cnt; gidvid++)
    {
      const int rc = gidd_to_pw_t (hashcat_ctx, device_param, gidvid, &pw);

      if (rc == -1)
      {
        if (filename) fclose (out.fp);

        return -1;
      }

      for (u32 il_pos = 0; il_pos < il_cnt; il_pos++)
      {
        u64 off = device_param->kernel_params_mp_buf64[3] + gidvid;

        u32 start = 0;
        u32 stop  = device_param->kernel_params_mp_buf32[4];

        sp_exec (off, (char *) plain_ptr, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, start, start + stop);

        plain_len = stop;

        char *comb_buf = (char *) device_param->combs_buf[il_pos].i;
        u32   comb_len =          device_param->combs_buf[il_pos].pw_len;

        memcpy (plain_ptr + plain_len, comb_buf, comb_len);

        plain_len += comb_len;

        if (plain_len > hashconfig->pw_max) plain_len = hashconfig->pw_max;

        out_push (&out, plain_ptr, plain_len);
      }
    }
  }

  out_flush (&out);

  if (filename) fclose (out.fp);

  return 0;
}