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f374da11e3
hashcat/src/modules/module_05600.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 = 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_NETWORK_PROTOCOL;
static const char *HASH_NAME = "NetNTLMv2";
static const u64 KERN_TYPE = 5600;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_PT_ADD80
| OPTS_TYPE_PT_ADDBITS14
| OPTS_TYPE_PT_UTF16LE;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "0UL5G37JOI0SX::6VB1IS0KA74:ebe1afa18b7fbfa6:aab8bf8675658dd2a939458a1077ba08:010100000000000031c8aa092510945398b9f7b7dde1a9fb00000000f7876f2b04b700";
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; }
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;
token_t token;
token.token_cnt = 6;
// username
token.len_min[0] = 0;
token.len_max[0] = 60;
token.sep[0] = ':';
token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH;
// unused
token.len_min[1] = 0;
token.len_max[1] = 0;
token.sep[1] = ':';
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH;
// domain
token.len_min[2] = 0;
token.len_max[2] = 45;
token.sep[2] = ':';
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH;
// lm response
token.len_min[3] = 16;
token.len_max[3] = 16;
token.sep[3] = ':';
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// ntlm response
token.len_min[4] = 32;
token.len_max[4] = 32;
token.sep[4] = ':';
token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// challenge
token.len_min[5] = 2;
token.len_max[5] = 1024;
token.sep[5] = ':';
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 *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++ = toupper (user_pos[i]);
*userdomain_ptr++ = 0;
}
for (int i = 0; i < domain_len; i++)
{
*userdomain_ptr++ = domain_pos[i];
*userdomain_ptr++ = 0;
}
*userdomain_ptr++ = 0x80;
/**
* 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;
}
*chall_ptr++ = 0x80;
/**
* handle hash itself
*/
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);
/**
* reuse challange data as salt_buf, its the buffer that is most likely unique
*/
salt->salt_buf[0] = 0;
salt->salt_buf[1] = 0;
salt->salt_buf[2] = 0;
salt->salt_buf[3] = 0;
salt->salt_buf[4] = 0;
salt->salt_buf[5] = 0;
salt->salt_buf[6] = 0;
salt->salt_buf[7] = 0;
u32 *uptr;
uptr = (u32 *) netntlm->userdomain_buf;
for (u32 i = 0; i < 64; i += 16, uptr += 16)
{
md5_transform (uptr + 0, uptr + 4, uptr + 8, uptr + 12, salt->salt_buf);
}
uptr = (u32 *) netntlm->chall_buf;
for (u32 i = 0; i < 256; i += 16, uptr += 16)
{
md5_transform (uptr + 0, uptr + 4, uptr + 8, uptr + 12, salt->salt_buf);
}
salt->salt_len = 16;
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];
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;
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_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_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_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_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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