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hashcat/OpenCL/m16100_a1-pure.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

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8.9 KiB
Common Lisp
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/**
* 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_hash_md5.cl"
#endif
typedef struct tacacs_plus
{
u32 session_buf[16];
u32 ct_data_buf[64];
u32 ct_data_len;
u32 sequence_buf[16];
} tacacs_plus_t;
KERNEL_FQ void m16100_mxx (KERN_ATTR_ESALT (tacacs_plus_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
/**
* base
*/
md5_ctx_t ctx0;
md5_init (&ctx0);
u32 session0[4];
u32 session1[4];
u32 session2[4];
u32 session3[4];
session0[0] = esalt_bufs[DIGESTS_OFFSET].session_buf[0];
session0[1] = 0;
session0[2] = 0;
session0[3] = 0;
session1[0] = 0;
session1[1] = 0;
session1[2] = 0;
session1[3] = 0;
session2[0] = 0;
session2[1] = 0;
session2[2] = 0;
session2[3] = 0;
session3[0] = 0;
session3[1] = 0;
session3[2] = 0;
session3[3] = 0;
md5_update_64 (&ctx0, session0, session1, session2, session3, 4);
md5_update_global (&ctx0, pws[gid].i, pws[gid].pw_len);
u32 ct_buf[2];
ct_buf[0] = esalt_bufs[DIGESTS_OFFSET].ct_data_buf[0];
ct_buf[1] = esalt_bufs[DIGESTS_OFFSET].ct_data_buf[1];
u32 ct_len = esalt_bufs[DIGESTS_OFFSET].ct_data_len;
u32 sequence_buf0 = esalt_bufs[DIGESTS_OFFSET].sequence_buf[0];
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos++)
{
md5_ctx_t ctx = ctx0;
md5_update_global (&ctx, combs_buf[il_pos].i, combs_buf[il_pos].pw_len);
u32 sequence0[4];
u32 sequence1[4];
u32 sequence2[4];
u32 sequence3[4];
sequence0[0] = sequence_buf0;
sequence0[1] = 0;
sequence0[2] = 0;
sequence0[3] = 0;
sequence1[0] = 0;
sequence1[1] = 0;
sequence1[2] = 0;
sequence1[3] = 0;
sequence2[0] = 0;
sequence2[1] = 0;
sequence2[2] = 0;
sequence2[3] = 0;
sequence3[0] = 0;
sequence3[1] = 0;
sequence3[2] = 0;
sequence3[3] = 0;
md5_update_64 (&ctx, sequence0, sequence1, sequence2, sequence3, 2);
md5_final (&ctx);
u32 test[2];
test[0] = ctx.h[0] ^ ct_buf[0];
test[1] = ctx.h[1] ^ ct_buf[1];
if (sequence_buf0 == 0x01c0)
{
const u32 action = ((test[0] >> 0) & 0xff);
// can have more than predefined ones
// const u32 priv_lvl = ((test[0] >> 8) & 0xff);
const u32 authen_type = ((test[0] >> 16) & 0xff);
const u32 authen_service = ((test[0] >> 24) & 0xff);
const u32 user_len = ((test[1] >> 0) & 0xff);
const u32 port_len = ((test[1] >> 8) & 0xff);
const u32 rem_addr_len = ((test[1] >> 16) & 0xff);
const u32 data_len = ((test[1] >> 24) & 0xff);
if (((action == 0x01) || (action == 0x02) || (action == 0x04))
&& ((authen_type >= 0x01) && (authen_type <= 0x06))
&& ((authen_service >= 0x00) && (authen_service <= 0x09))
&& ((8 + user_len + port_len + rem_addr_len + data_len) == ct_len))
{
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);
}
}
}
else if ((sequence_buf0 == 0x03c0) || (sequence_buf0 == 0x05c0))
{
const u32 msg_len = ((test[0] >> 0) & 0xff) << 8
| ((test[0] >> 8) & 0xff) << 0;
const u32 data_len = ((test[0] >> 16) & 0xff) << 8
| ((test[0] >> 24) & 0xff) << 0;
const u32 flags = ((test[1] >> 0) & 0xff);
if (((5 + msg_len) == ct_len)
&& (data_len == 0)
&& (flags == 0))
{
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);
}
}
}
else
{
const u32 status = ((test[0] >> 0) & 0xff);
const u32 flags = ((test[0] >> 8) & 0xff);
const u32 msg_len = ((test[0] >> 16) & 0xff) << 8
| ((test[0] >> 24) & 0xff) << 0;
const u32 data_len = ((test[1] >> 0) & 0xff) << 8
| ((test[1] >> 8) & 0xff) << 0;
if (((status >= 0x01 && status <= 0x07) || status == 0x21)
&& (flags == 0x01 || flags == 0x00)
&& (6 + msg_len + data_len == ct_len))
{
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 m16100_sxx (KERN_ATTR_ESALT (tacacs_plus_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
/**
* base
*/
md5_ctx_t ctx0;
md5_init (&ctx0);
u32 session0[4];
u32 session1[4];
u32 session2[4];
u32 session3[4];
session0[0] = esalt_bufs[DIGESTS_OFFSET].session_buf[0];
session0[1] = 0;
session0[2] = 0;
session0[3] = 0;
session1[0] = 0;
session1[1] = 0;
session1[2] = 0;
session1[3] = 0;
session2[0] = 0;
session2[1] = 0;
session2[2] = 0;
session2[3] = 0;
session3[0] = 0;
session3[1] = 0;
session3[2] = 0;
session3[3] = 0;
md5_update_64 (&ctx0, session0, session1, session2, session3, 4);
md5_update_global (&ctx0, pws[gid].i, pws[gid].pw_len);
u32 ct_buf[2];
ct_buf[0] = esalt_bufs[DIGESTS_OFFSET].ct_data_buf[0];
ct_buf[1] = esalt_bufs[DIGESTS_OFFSET].ct_data_buf[1];
u32 ct_len = esalt_bufs[DIGESTS_OFFSET].ct_data_len;
u32 sequence_buf0 = esalt_bufs[DIGESTS_OFFSET].sequence_buf[0];
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos++)
{
md5_ctx_t ctx = ctx0;
md5_update_global (&ctx, combs_buf[il_pos].i, combs_buf[il_pos].pw_len);
u32 sequence0[4];
u32 sequence1[4];
u32 sequence2[4];
u32 sequence3[4];
sequence0[0] = sequence_buf0;
sequence0[1] = 0;
sequence0[2] = 0;
sequence0[3] = 0;
sequence1[0] = 0;
sequence1[1] = 0;
sequence1[2] = 0;
sequence1[3] = 0;
sequence2[0] = 0;
sequence2[1] = 0;
sequence2[2] = 0;
sequence2[3] = 0;
sequence3[0] = 0;
sequence3[1] = 0;
sequence3[2] = 0;
sequence3[3] = 0;
md5_update_64 (&ctx, sequence0, sequence1, sequence2, sequence3, 2);
md5_final (&ctx);
u32 test[2];
test[0] = ctx.h[0] ^ ct_buf[0];
test[1] = ctx.h[1] ^ ct_buf[1];
if (sequence_buf0 == 0x01c0)
{
const u32 action = ((test[0] >> 0) & 0xff);
// can have more than predefined ones
// const u32 priv_lvl = ((test[0] >> 8) & 0xff);
const u32 authen_type = ((test[0] >> 16) & 0xff);
const u32 authen_service = ((test[0] >> 24) & 0xff);
const u32 user_len = ((test[1] >> 0) & 0xff);
const u32 port_len = ((test[1] >> 8) & 0xff);
const u32 rem_addr_len = ((test[1] >> 16) & 0xff);
const u32 data_len = ((test[1] >> 24) & 0xff);
if (((action == 0x01) || (action == 0x02) || (action == 0x04))
&& ((authen_type >= 0x01) && (authen_type <= 0x06))
&& ((authen_service >= 0x00) && (authen_service <= 0x09))
&& ((8 + user_len + port_len + rem_addr_len + data_len) == ct_len))
{
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);
}
}
}
else if ((sequence_buf0 == 0x03c0) || (sequence_buf0 == 0x05c0))
{
const u32 msg_len = ((test[0] >> 0) & 0xff) << 8
| ((test[0] >> 8) & 0xff) << 0;
const u32 data_len = ((test[0] >> 16) & 0xff) << 8
| ((test[0] >> 24) & 0xff) << 0;
const u32 flags = ((test[1] >> 0) & 0xff);
if (((5 + msg_len) == ct_len)
&& (data_len == 0)
&& (flags == 0))
{
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);
}
}
}
else
{
const u32 status = ((test[0] >> 0) & 0xff);
const u32 flags = ((test[0] >> 8) & 0xff);
const u32 msg_len = ((test[0] >> 16) & 0xff) << 8
| ((test[0] >> 24) & 0xff) << 0;
const u32 data_len = ((test[1] >> 0) & 0xff) << 8
| ((test[1] >> 8) & 0xff) << 0;
if (((status >= 0x01 && status <= 0x07) || status == 0x21)
&& (flags == 0x01 || flags == 0x00)
&& (6 + msg_len + data_len == ct_len))
{
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);
}
}
}
}
}
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