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hashcat/OpenCL/m09820_a0-optimized.cl
Jens Steube 04d5e5a119 New Attack-Mode: Association Attack. Like JtR's single mode. Very early 
stage. See hashcat Forum for detailed writeup.
2020-09-29 15:56:32 +02:00

628 lines
14 KiB
Common Lisp
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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
//too much register pressure
//#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_rp_optimized.h"
#include "inc_rp_optimized.cl"
#include "inc_simd.cl"
#include "inc_hash_sha1.cl"
#endif
#define MIN_NULL_BYTES 10
typedef struct oldoffice34
{
u32 version;
u32 encryptedVerifier[4];
u32 encryptedVerifierHash[5];
u32 secondBlockData[8];
u32 secondBlockLen;
u32 rc4key[2];
} oldoffice34_t;
typedef struct
{
u8 S[256];
u32 wtf_its_faster;
} RC4_KEY;
DECLSPEC void swap (LOCAL_AS RC4_KEY *rc4_key, const u8 i, const u8 j)
{
u8 tmp;
tmp = rc4_key->S[i];
rc4_key->S[i] = rc4_key->S[j];
rc4_key->S[j] = tmp;
}
DECLSPEC void rc4_init_16 (LOCAL_AS RC4_KEY *rc4_key, const u32 *data)
{
u32 v = 0x03020100;
u32 a = 0x04040404;
LOCAL_AS u32 *ptr = (LOCAL_AS u32 *) rc4_key->S;
#ifdef _unroll
#pragma unroll
#endif
for (u32 i = 0; i < 64; i++)
{
*ptr++ = v; v += a;
}
u32 j = 0;
for (u32 i = 0; i < 16; i++)
{
u32 idx = i * 16;
u32 v;
v = data[0];
j += rc4_key->S[idx] + (v >> 0); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 8); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 16); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 24); swap (rc4_key, idx, j); idx++;
v = data[1];
j += rc4_key->S[idx] + (v >> 0); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 8); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 16); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 24); swap (rc4_key, idx, j); idx++;
v = data[2];
j += rc4_key->S[idx] + (v >> 0); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 8); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 16); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 24); swap (rc4_key, idx, j); idx++;
v = data[3];
j += rc4_key->S[idx] + (v >> 0); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 8); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 16); swap (rc4_key, idx, j); idx++;
j += rc4_key->S[idx] + (v >> 24); swap (rc4_key, idx, j); idx++;
}
}
DECLSPEC u8 rc4_next_16 (LOCAL_AS RC4_KEY *rc4_key, u8 i, u8 j, const u32 *in, u32 *out)
{
#ifdef _unroll
#pragma unroll
#endif
for (u32 k = 0; k < 4; k++)
{
u32 xor4 = 0;
u8 idx;
i += 1;
j += rc4_key->S[i];
swap (rc4_key, i, j);
idx = rc4_key->S[i] + rc4_key->S[j];
xor4 |= rc4_key->S[idx] << 0;
i += 1;
j += rc4_key->S[i];
swap (rc4_key, i, j);
idx = rc4_key->S[i] + rc4_key->S[j];
xor4 |= rc4_key->S[idx] << 8;
i += 1;
j += rc4_key->S[i];
swap (rc4_key, i, j);
idx = rc4_key->S[i] + rc4_key->S[j];
xor4 |= rc4_key->S[idx] << 16;
i += 1;
j += rc4_key->S[i];
swap (rc4_key, i, j);
idx = rc4_key->S[i] + rc4_key->S[j];
xor4 |= rc4_key->S[idx] << 24;
out[k] = in[k] ^ xor4;
}
return j;
}
KERNEL_FQ void m09820_m04 (KERN_ATTR_RULES_ESALT (oldoffice34_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
u32 pw_buf0[4];
u32 pw_buf1[4];
pw_buf0[0] = pws[gid].i[ 0];
pw_buf0[1] = pws[gid].i[ 1];
pw_buf0[2] = pws[gid].i[ 2];
pw_buf0[3] = pws[gid].i[ 3];
pw_buf1[0] = pws[gid].i[ 4];
pw_buf1[1] = pws[gid].i[ 5];
pw_buf1[2] = pws[gid].i[ 6];
pw_buf1[3] = pws[gid].i[ 7];
const u32 pw_len = pws[gid].pw_len & 63;
/**
* shared
*/
LOCAL_VK RC4_KEY rc4_keys[64];
LOCAL_AS RC4_KEY *rc4_key = &rc4_keys[lid];
/**
* salt
*/
u32 salt_buf[4];
salt_buf[0] = salt_bufs[SALT_POS].salt_buf[0];
salt_buf[1] = salt_bufs[SALT_POS].salt_buf[1];
salt_buf[2] = salt_bufs[SALT_POS].salt_buf[2];
salt_buf[3] = salt_bufs[SALT_POS].salt_buf[3];
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
{
u32x w0[4] = { 0 };
u32x w1[4] = { 0 };
u32x w2[4] = { 0 };
u32x w3[4] = { 0 };
const u32x out_len = apply_rules_vect_optimized (pw_buf0, pw_buf1, pw_len, rules_buf, il_pos, w0, w1);
append_0x80_2x4_VV (w0, w1, out_len);
/**
* sha1
*/
make_utf16le (w1, w2, w3);
make_utf16le (w0, w0, w1);
const u32x pw_salt_len = (out_len * 2) + 16;
w3[3] = pw_salt_len * 8;
w3[2] = 0;
w3[1] = hc_swap32 (w2[1]);
w3[0] = hc_swap32 (w2[0]);
w2[3] = hc_swap32 (w1[3]);
w2[2] = hc_swap32 (w1[2]);
w2[1] = hc_swap32 (w1[1]);
w2[0] = hc_swap32 (w1[0]);
w1[3] = hc_swap32 (w0[3]);
w1[2] = hc_swap32 (w0[2]);
w1[1] = hc_swap32 (w0[1]);
w1[0] = hc_swap32 (w0[0]);
w0[3] = salt_buf[3];
w0[2] = salt_buf[2];
w0[1] = salt_buf[1];
w0[0] = salt_buf[0];
u32 pass_hash[5];
pass_hash[0] = SHA1M_A;
pass_hash[1] = SHA1M_B;
pass_hash[2] = SHA1M_C;
pass_hash[3] = SHA1M_D;
pass_hash[4] = SHA1M_E;
sha1_transform (w0, w1, w2, w3, pass_hash);
w0[0] = pass_hash[0];
w0[1] = pass_hash[1];
w0[2] = pass_hash[2];
w0[3] = pass_hash[3];
w1[0] = pass_hash[4];
w1[1] = 0;
w1[2] = 0x80000000;
w1[3] = 0;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = (20 + 4) * 8;
u32 digest[5];
digest[0] = SHA1M_A;
digest[1] = SHA1M_B;
digest[2] = SHA1M_C;
digest[3] = SHA1M_D;
digest[4] = SHA1M_E;
sha1_transform (w0, w1, w2, w3, digest);
digest[0] = hc_swap32 (digest[0]);
digest[1] = hc_swap32 (digest[1]) & 0xff;
digest[2] = 0;
digest[3] = 0;
// initial compare
int digest_pos = find_hash (digest, digests_cnt, &digests_buf[DIGESTS_OFFSET]);
if (digest_pos == -1) continue;
if (esalt_bufs[DIGESTS_OFFSET].secondBlockLen != 0)
{
w0[0] = pass_hash[0];
w0[1] = pass_hash[1];
w0[2] = pass_hash[2];
w0[3] = pass_hash[3];
w1[0] = pass_hash[4];
w1[1] = 0x01000000;
w1[2] = 0x80000000;
w1[3] = 0;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = (20 + 4) * 8;
digest[0] = SHA1M_A;
digest[1] = SHA1M_B;
digest[2] = SHA1M_C;
digest[3] = SHA1M_D;
digest[4] = SHA1M_E;
sha1_transform (w0, w1, w2, w3, digest);
digest[0] = hc_swap32_S (digest[0]);
digest[1] = hc_swap32_S (digest[1]);
digest[2] = 0;
digest[3] = 0;
digest[1] &= 0xff; // only 40-bit key
// second block decrypt:
rc4_init_16 (rc4_key, digest);
u32 secondBlockData[4];
secondBlockData[0] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[0];
secondBlockData[1] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[1];
secondBlockData[2] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[2];
secondBlockData[3] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[3];
u32 out[4];
u32 j = rc4_next_16 (rc4_key, 0, 0, secondBlockData, out);
int null_bytes = 0;
for (int k = 0; k < 4; k++)
{
if ((out[k] & 0x000000ff) == 0) null_bytes++;
if ((out[k] & 0x0000ff00) == 0) null_bytes++;
if ((out[k] & 0x00ff0000) == 0) null_bytes++;
if ((out[k] & 0xff000000) == 0) null_bytes++;
}
secondBlockData[0] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[4];
secondBlockData[1] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[5];
secondBlockData[2] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[6];
secondBlockData[3] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[7];
rc4_next_16 (rc4_key, 16, j, secondBlockData, out);
for (int k = 0; k < 4; k++)
{
if ((out[k] & 0x000000ff) == 0) null_bytes++;
if ((out[k] & 0x0000ff00) == 0) null_bytes++;
if ((out[k] & 0x00ff0000) == 0) null_bytes++;
if ((out[k] & 0xff000000) == 0) null_bytes++;
}
if (null_bytes < MIN_NULL_BYTES) continue;
}
const u32 final_hash_pos = DIGESTS_OFFSET + digest_pos;
if (atomic_inc (&hashes_shown[final_hash_pos]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, digest_pos, final_hash_pos, gid, il_pos, 0, 0);
}
}
}
KERNEL_FQ void m09820_m08 (KERN_ATTR_RULES_ESALT (oldoffice34_t))
{
}
KERNEL_FQ void m09820_m16 (KERN_ATTR_RULES_ESALT (oldoffice34_t))
{
}
KERNEL_FQ void m09820_s04 (KERN_ATTR_RULES_ESALT (oldoffice34_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
u32 pw_buf0[4];
u32 pw_buf1[4];
pw_buf0[0] = pws[gid].i[ 0];
pw_buf0[1] = pws[gid].i[ 1];
pw_buf0[2] = pws[gid].i[ 2];
pw_buf0[3] = pws[gid].i[ 3];
pw_buf1[0] = pws[gid].i[ 4];
pw_buf1[1] = pws[gid].i[ 5];
pw_buf1[2] = pws[gid].i[ 6];
pw_buf1[3] = pws[gid].i[ 7];
const u32 pw_len = pws[gid].pw_len & 63;
/**
* shared
*/
LOCAL_VK RC4_KEY rc4_keys[64];
LOCAL_AS RC4_KEY *rc4_key = &rc4_keys[lid];
/**
* salt
*/
u32 salt_buf[4];
salt_buf[0] = salt_bufs[SALT_POS].salt_buf[0];
salt_buf[1] = salt_bufs[SALT_POS].salt_buf[1];
salt_buf[2] = salt_bufs[SALT_POS].salt_buf[2];
salt_buf[3] = salt_bufs[SALT_POS].salt_buf[3];
/**
* digest
*/
const u32 search[4] =
{
digests_buf[DIGESTS_OFFSET].digest_buf[DGST_R0],
digests_buf[DIGESTS_OFFSET].digest_buf[DGST_R1],
0,
0
};
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
{
u32x w0[4] = { 0 };
u32x w1[4] = { 0 };
u32x w2[4] = { 0 };
u32x w3[4] = { 0 };
const u32x out_len = apply_rules_vect_optimized (pw_buf0, pw_buf1, pw_len, rules_buf, il_pos, w0, w1);
append_0x80_2x4_VV (w0, w1, out_len);
/**
* sha1
*/
make_utf16le (w1, w2, w3);
make_utf16le (w0, w0, w1);
const u32x pw_salt_len = (out_len * 2) + 16;
w3[3] = pw_salt_len * 8;
w3[2] = 0;
w3[1] = hc_swap32 (w2[1]);
w3[0] = hc_swap32 (w2[0]);
w2[3] = hc_swap32 (w1[3]);
w2[2] = hc_swap32 (w1[2]);
w2[1] = hc_swap32 (w1[1]);
w2[0] = hc_swap32 (w1[0]);
w1[3] = hc_swap32 (w0[3]);
w1[2] = hc_swap32 (w0[2]);
w1[1] = hc_swap32 (w0[1]);
w1[0] = hc_swap32 (w0[0]);
w0[3] = salt_buf[3];
w0[2] = salt_buf[2];
w0[1] = salt_buf[1];
w0[0] = salt_buf[0];
u32 pass_hash[5];
pass_hash[0] = SHA1M_A;
pass_hash[1] = SHA1M_B;
pass_hash[2] = SHA1M_C;
pass_hash[3] = SHA1M_D;
pass_hash[4] = SHA1M_E;
sha1_transform (w0, w1, w2, w3, pass_hash);
w0[0] = pass_hash[0];
w0[1] = pass_hash[1];
w0[2] = pass_hash[2];
w0[3] = pass_hash[3];
w1[0] = pass_hash[4];
w1[1] = 0;
w1[2] = 0x80000000;
w1[3] = 0;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = (20 + 4) * 8;
u32 digest[5];
digest[0] = SHA1M_A;
digest[1] = SHA1M_B;
digest[2] = SHA1M_C;
digest[3] = SHA1M_D;
digest[4] = SHA1M_E;
sha1_transform (w0, w1, w2, w3, digest);
digest[0] = hc_swap32 (digest[0]);
digest[1] = hc_swap32 (digest[1]) & 0xff;
digest[2] = 0;
digest[3] = 0;
// initial compare
if (digest[0] != search[0]) continue;
if (digest[1] != search[1]) continue;
if (esalt_bufs[DIGESTS_OFFSET].secondBlockLen != 0)
{
w0[0] = pass_hash[0];
w0[1] = pass_hash[1];
w0[2] = pass_hash[2];
w0[3] = pass_hash[3];
w1[0] = pass_hash[4];
w1[1] = 0x01000000;
w1[2] = 0x80000000;
w1[3] = 0;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = (20 + 4) * 8;
digest[0] = SHA1M_A;
digest[1] = SHA1M_B;
digest[2] = SHA1M_C;
digest[3] = SHA1M_D;
digest[4] = SHA1M_E;
sha1_transform (w0, w1, w2, w3, digest);
digest[0] = hc_swap32_S (digest[0]);
digest[1] = hc_swap32_S (digest[1]);
digest[2] = 0;
digest[3] = 0;
digest[1] &= 0xff; // only 40-bit key
// second block decrypt:
rc4_init_16 (rc4_key, digest);
u32 secondBlockData[4];
secondBlockData[0] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[0];
secondBlockData[1] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[1];
secondBlockData[2] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[2];
secondBlockData[3] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[3];
u32 out[4];
u32 j = rc4_next_16 (rc4_key, 0, 0, secondBlockData, out);
int null_bytes = 0;
for (int k = 0; k < 4; k++)
{
if ((out[k] & 0x000000ff) == 0) null_bytes++;
if ((out[k] & 0x0000ff00) == 0) null_bytes++;
if ((out[k] & 0x00ff0000) == 0) null_bytes++;
if ((out[k] & 0xff000000) == 0) null_bytes++;
}
secondBlockData[0] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[4];
secondBlockData[1] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[5];
secondBlockData[2] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[6];
secondBlockData[3] = esalt_bufs[DIGESTS_OFFSET].secondBlockData[7];
rc4_next_16 (rc4_key, 16, j, secondBlockData, out);
for (int k = 0; k < 4; k++)
{
if ((out[k] & 0x000000ff) == 0) null_bytes++;
if ((out[k] & 0x0000ff00) == 0) null_bytes++;
if ((out[k] & 0x00ff0000) == 0) null_bytes++;
if ((out[k] & 0xff000000) == 0) null_bytes++;
}
if (null_bytes < MIN_NULL_BYTES) continue;
}
if (atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, il_pos, 0, 0);
}
}
}
KERNEL_FQ void m09820_s08 (KERN_ATTR_RULES_ESALT (oldoffice34_t))
{
}
KERNEL_FQ void m09820_s16 (KERN_ATTR_RULES_ESALT (oldoffice34_t))
{
}
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