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hashcat/src/modules/module_05500.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"
#include "emu_inc_cipher_des.h"
#include "emu_inc_hash_md5.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_NETWORK_PROTOCOL;
static const char *HASH_NAME = "NetNTLMv1 / NetNTLMv1+ESS";
static const u64 KERN_TYPE = 5500;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE
| OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_PT_ADD80
| OPTS_TYPE_PT_ADDBITS14
| OPTS_TYPE_PT_UTF16LE
| OPTS_TYPE_ST_HEX;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "::5V4T:ada06359242920a500000000000000000000000000000000:0556d5297b5daa70eaffde82ef99293a3f3bb59b7c9704ea:9c23f6c094853920";
typedef struct netntlm
{
int user_len;
int domain_len;
int srvchall_len;
int clichall_len;
u32 userdomain_buf[64];
u32 chall_buf[256];
} netntlm_t;
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; }
static void transform_netntlmv1_key (const u8 *nthash, u8 *key)
{
key[0] = (nthash[0] >> 0);
key[1] = (nthash[0] << 7) | (nthash[1] >> 1);
key[2] = (nthash[1] << 6) | (nthash[2] >> 2);
key[3] = (nthash[2] << 5) | (nthash[3] >> 3);
key[4] = (nthash[3] << 4) | (nthash[4] >> 4);
key[5] = (nthash[4] << 3) | (nthash[5] >> 5);
key[6] = (nthash[5] << 2) | (nthash[6] >> 6);
key[7] = (nthash[6] << 1);
key[0] |= 0x01;
key[1] |= 0x01;
key[2] |= 0x01;
key[3] |= 0x01;
key[4] |= 0x01;
key[5] |= 0x01;
key[6] |= 0x01;
key[7] |= 0x01;
}
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;
// Extra treatment for Apple systems
if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
{
return jit_build_options;
}
// Intel CPU
if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_CPU))
{
hc_asprintf (&jit_build_options, "-D _unroll");
}
return jit_build_options;
}
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 (netntlm_t);
return esalt_size;
}
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;
netntlm_t *netntlm = (netntlm_t *) esalt_buf;
hc_token_t token;
memset (&token, 0, sizeof (hc_token_t));
token.token_cnt = 6;
// username
token.sep[0] = ':';
token.len_min[0] = 0;
token.len_max[0] = 60;
token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH;
// unused
token.sep[1] = ':';
token.len[1] = 0;
token.attr[1] = TOKEN_ATTR_FIXED_LENGTH;
// domain
token.sep[2] = ':';
token.len_min[2] = 0;
token.len_max[2] = 45;
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH;
// lm response
token.sep[3] = ':';
token.len_min[3] = 0;
token.len_max[3] = 48;
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// ntlm response
token.sep[4] = ':';
token.len[4] = 48;
token.attr[4] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// challenge
token.sep[5] = ':';
token.len[5] = 16;
token.attr[5] = TOKEN_ATTR_FIXED_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 *user_pos = token.buf[0];
const u8 *domain_pos = token.buf[2];
const u8 *srvchall_pos = token.buf[3];
const u8 *hash_pos = token.buf[4];
const u8 *clichall_pos = token.buf[5];
const int user_len = token.len[0];
const int domain_len = token.len[2];
const int srvchall_len = token.len[3];
const int clichall_len = token.len[5];
/**
* store some data for later use
*/
netntlm->user_len = user_len * 2;
netntlm->domain_len = domain_len * 2;
netntlm->srvchall_len = srvchall_len / 2;
netntlm->clichall_len = clichall_len / 2;
u8 *userdomain_ptr = (u8 *) netntlm->userdomain_buf;
u8 *chall_ptr = (u8 *) netntlm->chall_buf;
/**
* handle username and domainname
*/
for (int i = 0; i < user_len; i++)
{
*userdomain_ptr++ = user_pos[i];
*userdomain_ptr++ = 0;
}
for (int i = 0; i < domain_len; i++)
{
*userdomain_ptr++ = domain_pos[i];
*userdomain_ptr++ = 0;
}
/**
* handle server challenge encoding
*/
for (int i = 0; i < srvchall_len; i += 2)
{
const u8 p0 = srvchall_pos[i + 0];
const u8 p1 = srvchall_pos[i + 1];
*chall_ptr++ = hex_convert (p1) << 0
| hex_convert (p0) << 4;
}
/**
* handle client challenge encoding
*/
for (int i = 0; i < clichall_len; i += 2)
{
const u8 p0 = clichall_pos[i + 0];
const u8 p1 = clichall_pos[i + 1];
*chall_ptr++ = hex_convert (p1) << 0
| hex_convert (p0) << 4;
}
/**
* store data
*/
const bool parse_rc = generic_salt_decode (hashconfig, clichall_pos, clichall_len, (u8 *) salt->salt_buf, (int *) &salt->salt_len);
if (parse_rc == false) return (PARSER_SALT_LENGTH);
digest[0] = hex_to_u32 (hash_pos + 0);
digest[1] = hex_to_u32 (hash_pos + 8);
digest[2] = hex_to_u32 (hash_pos + 16);
digest[3] = hex_to_u32 (hash_pos + 24);
/* special case, last 8 byte do not need to be checked since they are brute-forced next */
u32 digest_tmp[2];
digest_tmp[0] = hex_to_u32 (hash_pos + 32);
digest_tmp[1] = hex_to_u32 (hash_pos + 40);
/* special case 2: ESS */
if (srvchall_len == 48)
{
if ((netntlm->chall_buf[2] == 0) && (netntlm->chall_buf[3] == 0) && (netntlm->chall_buf[4] == 0) && (netntlm->chall_buf[5] == 0))
{
u32 w[16] = { 0 };
w[ 0] = salt->salt_buf[0];
w[ 1] = salt->salt_buf[1];
w[ 2] = netntlm->chall_buf[0];
w[ 3] = netntlm->chall_buf[1];
w[ 4] = 0x80;
w[14] = 16 * 8;
u32 dgst[4] = { 0 };
dgst[0] = MD5M_A;
dgst[1] = MD5M_B;
dgst[2] = MD5M_C;
dgst[3] = MD5M_D;
md5_transform (w + 0, w + 4, w + 8, w + 12, dgst);
salt->salt_buf[0] = dgst[0];
salt->salt_buf[1] = dgst[1];
}
}
/* precompute netntlmv1 exploit start */
for (u32 i = 0; i < 0x10000; i++)
{
u32 key_md4[2] = { 0 };
u32 key_des[2] = { 0 };
key_md4[0] = i;
transform_netntlmv1_key ((const u8 *) key_md4, (u8 *) key_des);
u32 Kc[16] = { 0 };
u32 Kd[16] = { 0 };
_des_crypt_keysetup (key_des[0], key_des[1], Kc, Kd, (u32 (*)[64]) c_skb);
u32 data3[2] = { salt->salt_buf[0], salt->salt_buf[1] };
_des_crypt_encrypt (data3, data3, Kc, Kd, (u32 (*)[64]) c_SPtrans);
if (data3[0] != digest_tmp[0]) continue;
if (data3[1] != digest_tmp[1]) continue;
salt->salt_buf[2] = i;
salt->salt_len = 24;
break;
}
salt->salt_buf_pc[0] = digest_tmp[0];
salt->salt_buf_pc[1] = digest_tmp[1];
/* precompute netntlmv1 exploit stop */
DES_IP (digest[0], digest[1]);
DES_IP (digest[2], digest[3]);
digest[0] = rotr32 (digest[0], 29);
digest[1] = rotr32 (digest[1], 29);
digest[2] = rotr32 (digest[2], 29);
digest[3] = rotr32 (digest[3], 29);
DES_IP (salt->salt_buf[0], salt->salt_buf[1]);
salt->salt_buf[0] = rotl32 (salt->salt_buf[0], 3);
salt->salt_buf[1] = rotl32 (salt->salt_buf[1], 3);
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 = (const u32 *) digest_buf;
const netntlm_t *netntlm = (const netntlm_t *) esalt_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];
tmp[0] = rotl32 (tmp[0], 29);
tmp[1] = rotl32 (tmp[1], 29);
tmp[2] = rotl32 (tmp[2], 29);
tmp[3] = rotl32 (tmp[3], 29);
DES_FP (tmp[1], tmp[0]);
DES_FP (tmp[3], tmp[2]);
u8 *out_buf = (u8 *) line_buf;
int out_len = 0;
u8 *ptr;
ptr = (u8 *) netntlm->userdomain_buf;
for (int i = 0; i < netntlm->user_len; i += 2)
{
out_buf[out_len++] = ptr[i];
}
out_buf[out_len++] = ':';
out_buf[out_len++] = ':';
ptr += netntlm->user_len;
for (int i = 0; i < netntlm->domain_len; i += 2)
{
out_buf[out_len++] = ptr[i];
}
out_buf[out_len++] = ':';
ptr = (u8 *) netntlm->chall_buf;
for (int i = 0; i < netntlm->srvchall_len; i++)
{
u8_to_hex (ptr[i], out_buf + out_len); out_len += 2;
}
out_buf[out_len++] = ':';
u32_to_hex (tmp[0], out_buf + out_len); out_len += 8;
u32_to_hex (tmp[1], out_buf + out_len); out_len += 8;
u32_to_hex (tmp[2], out_buf + out_len); out_len += 8;
u32_to_hex (tmp[3], out_buf + out_len); out_len += 8;
u32_to_hex (salt->salt_buf_pc[0], out_buf + out_len); out_len += 8;
u32_to_hex (salt->salt_buf_pc[1], out_buf + out_len); out_len += 8;
out_buf[out_len++] = ':';
ptr += netntlm->srvchall_len;
for (int i = 0; i < netntlm->clichall_len; i++)
{
u8_to_hex (ptr[i], out_buf + out_len); out_len += 2;
}
return out_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_charset = 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_deprecated_notice = 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_extra_tuningdb_block = 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_postprocess = 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_hashes_count_min = MODULE_DEFAULT;
module_ctx->module_hashes_count_max = MODULE_DEFAULT;
module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_size = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_init = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_term = 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_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_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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