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Added hash-mode 25100 - SNMPv3 HMAC-MD5-96

This commit is contained in:
Gabriele Gristina 2020-12-22 07:02:19 +01:00
parent 15bf8b7302
commit 99b5aa8f60
4 changed files with 458 additions and 0 deletions

196
OpenCL/m25100-pure.cl Normal file
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@ -0,0 +1,196 @@
/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
//#define NEW_SIMD_CODE
#ifdef KERNEL_STATIC
#include "inc_vendor.h"
#include "inc_types.h"
#include "inc_platform.cl"
#include "inc_common.cl"
#include "inc_simd.cl"
#include "inc_hash_md5.cl"
#endif
#define COMPARE_S "inc_comp_single.cl"
#define COMPARE_M "inc_comp_multi.cl"
#define SNMPV3_SALT_MAX 375
#define SNMPV3_ENGINEID_MAX 32
#define SNMPV3_MSG_AUTH_PARAMS_MAX 12
typedef struct hmac_md5_tmp
{
u32 dgst[4];
u32 out[3];
} hmac_md5_tmp_t;
typedef struct snmpv3
{
u32 salt_buf[SNMPV3_SALT_MAX];
u32 salt_len;
u8 engineID_buf[SNMPV3_ENGINEID_MAX];
u32 engineID_len;
} snmpv3_t;
KERNEL_FQ void m25100_init (KERN_ATTR_TMPS_ESALT (hmac_md5_tmp_t, snmpv3_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
/**
* base
*/
const global u8 *pw_buf = (global u8 *) pws[gid].i;
const u32 pw_len = pws[gid].pw_len;
const global u8 *engineID_buf = esalt_bufs[DIGESTS_OFFSET].engineID_buf;
u32 engineID_len = esalt_bufs[DIGESTS_OFFSET].engineID_len;
/**
* authkey
*/
u32 idx = 0;
u8 tmp_buf[72] = { 0 };
md5_ctx_t ctx;
md5_init (&ctx);
for (int j = 0; j < 16384; j++)
{
for (int i = 0; i < 64; i++)
{
tmp_buf[i] = pw_buf[idx++];
if (idx >= pw_len) idx = 0;
}
md5_update (&ctx, (u32 *)tmp_buf, 64);
}
md5_final (&ctx);
const u32 h[4] = {
hc_swap32_S (ctx.h[0]),
hc_swap32_S (ctx.h[1]),
hc_swap32_S (ctx.h[2]),
hc_swap32_S (ctx.h[3])
};
u8 buf[72] = { 0 };
buf[ 0] = (h[0] >> 24) & 0xff;
buf[ 1] = (h[0] >> 16) & 0xff;
buf[ 2] = (h[0] >> 8) & 0xff;
buf[ 3] = h[0] & 0xff;
buf[ 4] = (h[1] >> 24) & 0xff;
buf[ 5] = (h[1] >> 16) & 0xff;
buf[ 6] = (h[1] >> 8) & 0xff;
buf[ 7] = h[1] & 0xff;
buf[ 8] = (h[2] >> 24) & 0xff;
buf[ 9] = (h[2] >> 16) & 0xff;
buf[10] = (h[2] >> 8) & 0xff;
buf[11] = h[2] & 0xff;
buf[12] = (h[3] >> 24) & 0xff;
buf[13] = (h[3] >> 16) & 0xff;
buf[14] = (h[3] >> 8) & 0xff;
buf[15] = h[3] & 0xff;
u32 j;
u32 i = 16;
for (j = 0; j < engineID_len; j++)
{
buf[i++] = engineID_buf[j];
}
for (j = 0; j < 16; j++)
{
buf[i++] = buf[j];
}
md5_init (&ctx);
md5_update (&ctx, buf, i);
md5_final (&ctx);
tmps[gid].dgst[0] = ctx.h[0];
tmps[gid].dgst[1] = ctx.h[1];
tmps[gid].dgst[2] = ctx.h[2];
tmps[gid].dgst[3] = ctx.h[3];
}
KERNEL_FQ void m25100_loop (KERN_ATTR_TMPS_ESALT (hmac_md5_tmp_t, snmpv3_t))
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
u32 key[16] = { 0 };
key[ 0] = tmps[gid].dgst[0];
key[ 1] = tmps[gid].dgst[1];
key[ 2] = tmps[gid].dgst[2];
key[ 3] = tmps[gid].dgst[3];
md5_hmac_ctx_t ctx;
md5_hmac_init (&ctx, key, 16);
md5_hmac_update_global (&ctx, esalt_bufs[DIGESTS_OFFSET].salt_buf, esalt_bufs[DIGESTS_OFFSET].salt_len);
md5_hmac_final (&ctx);
tmps[gid].out[0] = ctx.opad.h[DGST_R0];
tmps[gid].out[1] = ctx.opad.h[DGST_R1];
tmps[gid].out[2] = ctx.opad.h[DGST_R2];
}
KERNEL_FQ void m25100_comp (KERN_ATTR_TMPS_ESALT (hmac_md5_tmp_t, snmpv3_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
const u64 lid = get_local_id (0);
const u32 r0 = hc_swap32_S (tmps[gid].out[DGST_R0]);
const u32 r1 = hc_swap32_S (tmps[gid].out[DGST_R1]);
const u32 r2 = hc_swap32_S (tmps[gid].out[DGST_R2]);
const u32 r3 = 0;
#define il_pos 0
#ifdef KERNEL_STATIC
#include COMPARE_M
#endif
}

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@ -14,6 +14,7 @@
- Added hash-mode: RAR3-p (Uncompressed)
- Added hash-mode: RSA/DSA/EC/OPENSSH Private Keys
- Added hash-mode: sha1(sha1($pass).$salt)
- Added hash-mode: SNMPv3 HMAC-MD5-96
##
## Bugs

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@ -336,6 +336,7 @@ NVIDIA GPUs require "NVIDIA Driver" (440.64 or later) and "CUDA Toolkit" (9.0 or
- Django (SHA-1)
- Web2py pbkdf2-sha512
- TOTP (HMAC-SHA1)
- SNMPv3 HMAC-MD5-96
##
## Attack-Modes

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src/modules/module_25100.c Normal file
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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 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_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; // 4_3
static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_PROTOCOL;
static const char *HASH_NAME = "SNMPv3 HMAC-MD5-96";
static const u64 KERN_TYPE = 25100;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_HASH_COPY;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "pippoxxx";
static const char *ST_HASH = "$SNMPv3$1$3$3081b10201033011020430f6f3d5020300ffe304010702010304373035040d80001f888059dc486145a2632202010802020ab90405706970706f040c00000000000000000000000004080000000103d5321a0460826ecf6443956d4c364bfc6f6ffc8ee0df000ffd0955af12d2c0f3c60fadea417d2bb80c0b2c1fa7a46ce44f9f16e15ee830a49881f60ecfa757d2f04000eb39a94058121d88ca20eeef4e6bf06784c67c15f144915d9bc2c6a0461da92a4abe$80001f888059dc486145a26322$19395e67894fda182414849f";
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 const char *SIGNATURE_SNMPV3 = "$SNMPv3$1$";
#define SNMPV3_SALT_MAX 1500
#define SNMPV3_SALT_MAX_BIN 375
#define SNMPV3_ENGINEID_MAX 32
#define SNMPV3_MSG_AUTH_PARAMS_MAX 12
typedef struct hmac_md5_tmp
{
u32 dgst[4];
u32 out[3];
} hmac_md5_tmp_t;
typedef struct snmpv3
{
u32 salt_buf[SNMPV3_SALT_MAX_BIN];
u32 salt_len;
u8 engineID_buf[SNMPV3_ENGINEID_MAX];
u32 engineID_len;
} snmpv3_t;
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 (snmpv3_t);
return esalt_size;
}
u64 module_tmp_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 tmp_size = (const u64) sizeof (hmac_md5_tmp_t);
return tmp_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;
snmpv3_t *snmpv3 = (snmpv3_t *) esalt_buf;
token_t token;
token.token_cnt = 5;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_SNMPV3;
token.len[0] = 10;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
// packet number
token.len_min[1] = 1;
token.len_max[1] = 8;
token.sep[1] = '$';
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH;
// salt
token.len_min[2] = 1 * 2;
token.len_max[2] = SNMPV3_SALT_MAX * 2;
token.sep[2] = '$';
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// engineid
token.len_min[3] = 5 * 2;
token.len_max[3] = SNMPV3_ENGINEID_MAX * 2;
token.sep[3] = '$';
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// digest
token.len_min[4] = SNMPV3_MSG_AUTH_PARAMS_MAX * 2;
token.len_max[4] = SNMPV3_MSG_AUTH_PARAMS_MAX * 2;
token.sep[4] = '$';
token.attr[4] = 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);
// salt
const u8 *salt_pos = token.buf[2];
const int salt_len = token.len[2];
u8 *salt_ptr = (u8 *) snmpv3->salt_buf;
int i;
int j;
for (i = 0, j = 0; i < salt_len; i += 2, j += 1)
{
salt_ptr[j] = hex_to_u8 (salt_pos + i);
}
snmpv3->salt_len = salt_len / 2;
salt->salt_iter = 1;
// engineid
const u8 *engineID_pos = token.buf[3];
const int engineID_len = token.len[3];
u8 *engineID_ptr = (u8 *) snmpv3->engineID_buf;
for (i = 0, j = 0; i < engineID_len; i += 2, j += 1)
{
engineID_ptr[j] = hex_to_u8 (engineID_pos + i);
}
snmpv3->engineID_len = engineID_len / 2;
// digest
const u8 *hash_pos = token.buf[4];
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[0] = byte_swap_32 (digest[0]);
digest[1] = byte_swap_32 (digest[1]);
digest[2] = byte_swap_32 (digest[2]);
digest[3] = 0;
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 int line_len = snprintf (line_buf, line_size, "%s", hash_info->orighash);
return line_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_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_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_tmp_size;
module_ctx->module_unstable_warning = MODULE_DEFAULT;
module_ctx->module_warmup_disable = MODULE_DEFAULT;
}