Merge pull request #1864 from matrix/hash-mode-plugin-2400

Add Cisco-PIX MD5 module
pull/1872/head
Jens Steube 5 years ago committed by GitHub
commit e0a630d5a5
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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 MODULE_VERSION_CURRENT = 520;
static const u32 ATTACK_EXEC = ATTACK_EXEC_INSIDE_KERNEL;
static const u32 DGST_POS0 = 0;
static const u32 DGST_POS1 = 3;
static const u32 DGST_POS2 = 2;
static const u32 DGST_POS3 = 1;
static const u32 DGST_SIZE = DGST_SIZE_4_4;
static const u32 HASH_CATEGORY = HASH_CATEGORY_OS;
static const char *HASH_NAME = "Cisco-PIX MD5";
static const u32 HASH_TYPE = HASH_TYPE_MD5;
static const u64 KERN_TYPE = 2400;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_PRECOMPUTE_INIT
| OPTI_TYPE_PRECOMPUTE_MERKLE
| OPTI_TYPE_EARLY_SKIP
| OPTI_TYPE_NOT_ITERATED
| OPTI_TYPE_NOT_SALTED;
static const u64 OPTS_TYPE = OPTS_TYPE_STATE_BUFFER_LE
| OPTS_TYPE_PT_GENERATE_LE;
static const char *ST_HASH = "dRRVnUmUHXOTt9nk";
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; }
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; }
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, const char *line_buf, MAYBE_UNUSED const int line_len)
{
u32 *digest = (u32 *) digest_buf;
token_t token;
token.token_cnt = 1;
token.sep[0] = ':';
token.len_min[0] = 16;
token.len_max[0] = 16;
token.attr[0] = TOKEN_ATTR_VERIFY_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);
const u8 *hash_pos = token.buf[0];
digest[0] = itoa64_to_int (hash_pos[ 0]) << 0
| itoa64_to_int (hash_pos[ 1]) << 6
| itoa64_to_int (hash_pos[ 2]) << 12
| itoa64_to_int (hash_pos[ 3]) << 18;
digest[1] = itoa64_to_int (hash_pos[ 4]) << 0
| itoa64_to_int (hash_pos[ 5]) << 6
| itoa64_to_int (hash_pos[ 6]) << 12
| itoa64_to_int (hash_pos[ 7]) << 18;
digest[2] = itoa64_to_int (hash_pos[ 8]) << 0
| itoa64_to_int (hash_pos[ 9]) << 6
| itoa64_to_int (hash_pos[10]) << 12
| itoa64_to_int (hash_pos[11]) << 18;
digest[3] = itoa64_to_int (hash_pos[12]) << 0
| itoa64_to_int (hash_pos[13]) << 6
| itoa64_to_int (hash_pos[14]) << 12
| itoa64_to_int (hash_pos[15]) << 18;
decoder_apply_options (hashconfig, digest);
decoder_apply_optimizer (hashconfig, digest);
digest[0] &= 0x00ffffff;
digest[1] &= 0x00ffffff;
digest[2] &= 0x00ffffff;
digest[3] &= 0x00ffffff;
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, char *line_buf, MAYBE_UNUSED const int line_size)
{
const u32 *digest = (const u32 *) digest_buf;
// we can not change anything in the original buffer, otherwise destroying sorting
// therefore create some local buffer
u32 tmp[4];
tmp[0] = digest[0];
tmp[1] = digest[1];
tmp[2] = digest[2];
tmp[3] = digest[3];
encoder_apply_optimizer (hashconfig, tmp);
encoder_apply_options (hashconfig, tmp);
u8 *out_buf = (u8 *) line_buf;
out_buf[ 0] = int_to_itoa64 ((tmp[0] >> 0) & 0x3f);
out_buf[ 1] = int_to_itoa64 ((tmp[0] >> 6) & 0x3f);
out_buf[ 2] = int_to_itoa64 ((tmp[0] >> 12) & 0x3f);
out_buf[ 3] = int_to_itoa64 ((tmp[0] >> 18) & 0x3f);
out_buf[ 4] = int_to_itoa64 ((tmp[1] >> 0) & 0x3f);
out_buf[ 5] = int_to_itoa64 ((tmp[1] >> 6) & 0x3f);
out_buf[ 6] = int_to_itoa64 ((tmp[1] >> 12) & 0x3f);
out_buf[ 7] = int_to_itoa64 ((tmp[1] >> 18) & 0x3f);
out_buf[ 8] = int_to_itoa64 ((tmp[2] >> 0) & 0x3f);
out_buf[ 9] = int_to_itoa64 ((tmp[2] >> 6) & 0x3f);
out_buf[10] = int_to_itoa64 ((tmp[2] >> 12) & 0x3f);
out_buf[11] = int_to_itoa64 ((tmp[2] >> 18) & 0x3f);
out_buf[12] = int_to_itoa64 ((tmp[3] >> 0) & 0x3f);
out_buf[13] = int_to_itoa64 ((tmp[3] >> 6) & 0x3f);
out_buf[14] = int_to_itoa64 ((tmp[3] >> 12) & 0x3f);
out_buf[15] = int_to_itoa64 ((tmp[3] >> 18) & 0x3f);
out_buf[16] = 0;
const int out_len = 16;
return out_len;
}
void module_init (module_ctx_t *module_ctx)
{
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_DEFAULT;
module_ctx->module_separator = MODULE_DEFAULT;
module_ctx->module_st_hash = module_st_hash;
module_ctx->module_st_pass = MODULE_DEFAULT;
module_ctx->module_tmp_size = MODULE_DEFAULT;
module_ctx->module_unstable_warning = MODULE_DEFAULT;
module_ctx->module_version_current = MODULE_VERSION_CURRENT;
module_ctx->module_warmup_disable = MODULE_DEFAULT;
}

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#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Digest::MD5 qw (md5);
use POSIX qw (strftime ceil);
sub module_constraints { [[0, 255], [-1, -1], [1, 55], [-1, -1], [-1, -1]] }
sub pseudo_base64
{
my $itoa64 = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
my $md5 = shift;
my $s64 = "";
for my $i (0..3) {
my $v = unpack "V", substr ($md5, $i*4, 4);
for (1..4) {
$s64 .= substr ($itoa64, $v & 0x3f, 1);
$v >>= 6;
}
}
return $s64;
}
sub module_generate_hash
{
my $word = shift;
my $word_len = length ($word);
my $pad_len = ceil ($word_len / 16) * 16;
my $digest = md5 ($word . "\0" x ($pad_len - $word_len));
my $hash = sprintf ("%s", pseudo_base64 ($digest));
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my ($hash, $word) = split (':', $line);
return unless defined $hash;
return unless defined $word;
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed);
return ($new_hash, $word);
}
1;
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