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Revert -m 26610 to check for 0x20-0x7e and allow DEEP_COMP kernel functionality

This commit is contained in:
jsteube 2023-03-13 10:00:16 +00:00
parent 37923e79e9
commit 24d375073c
2 changed files with 65 additions and 41 deletions

View File

@ -276,8 +276,6 @@ KERNEL_FQ void m26610_comp (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, pbkdf2_sh
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
const u64 lsz = get_local_size (0);
#define il_pos 0
/**
* aes shared
@ -314,6 +312,12 @@ KERNEL_FQ void m26610_comp (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, pbkdf2_sh
if (gid >= GID_CNT) return;
const u32 digest_pos = LOOP_POS;
const u32 digest_cur = DIGESTS_OFFSET_HOST + digest_pos;
GLOBAL_AS const pbkdf2_sha256_aes_gcm_t *pbkdf2_sha256_aes_gcm = &esalt_bufs[digest_cur];
// keys
u32 ukey[8];
@ -338,59 +342,73 @@ KERNEL_FQ void m26610_comp (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, pbkdf2_sh
u32 iv[4];
iv[0] = esalt_bufs[DIGESTS_OFFSET_HOST].iv_buf[0];
iv[1] = esalt_bufs[DIGESTS_OFFSET_HOST].iv_buf[1];
iv[2] = esalt_bufs[DIGESTS_OFFSET_HOST].iv_buf[2];
iv[3] = esalt_bufs[DIGESTS_OFFSET_HOST].iv_buf[3];
iv[0] = pbkdf2_sha256_aes_gcm->iv_buf[0];
iv[1] = pbkdf2_sha256_aes_gcm->iv_buf[1];
iv[2] = pbkdf2_sha256_aes_gcm->iv_buf[2];
iv[3] = pbkdf2_sha256_aes_gcm->iv_buf[3];
const u32 iv_len = esalt_bufs[DIGESTS_OFFSET_HOST].iv_len;
const u32 iv_len = pbkdf2_sha256_aes_gcm->iv_len;
u32 J0[4] = { 0 };
AES_GCM_Prepare_J0 (iv, iv_len, subKey, J0);
u32 ct[8];
ct[0] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[0]; // first block of ciphertext
ct[1] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[1];
ct[2] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[2];
ct[3] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[3];
ct[4] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[4]; // second block of ciphertext
ct[5] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[5];
ct[6] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[6];
ct[7] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[7];
ct[0] = pbkdf2_sha256_aes_gcm->ct_buf[0]; // first block of ciphertext
ct[1] = pbkdf2_sha256_aes_gcm->ct_buf[1];
ct[2] = pbkdf2_sha256_aes_gcm->ct_buf[2];
ct[3] = pbkdf2_sha256_aes_gcm->ct_buf[3];
ct[4] = pbkdf2_sha256_aes_gcm->ct_buf[4]; // second block of ciphertext
ct[5] = pbkdf2_sha256_aes_gcm->ct_buf[5];
ct[6] = pbkdf2_sha256_aes_gcm->ct_buf[6];
ct[7] = pbkdf2_sha256_aes_gcm->ct_buf[7];
u32 pt[8] = { 0 };
AES_GCM_decrypt (key, J0, ct, 32, pt, s_te0, s_te1, s_te2, s_te3, s_te4);
// if ((gid == 0) && (lid == 0)) printf ("pt[0]=%08x\n", pt[0]); // should be 5b7b2274 or [{"type"
// if ((gid == 0) && (lid == 0)) printf ("pt[0]=%08x%08x\n", pt[4], pt[5]); // should be 2054726565222c22 or Tree","
const float entropy = hc_get_entropy (pt, 8);
const int correct = is_valid_printable_32 (pt[0])
+ is_valid_printable_32 (pt[1])
+ is_valid_printable_32 (pt[2])
+ is_valid_printable_32 (pt[3])
+ is_valid_printable_32 (pt[4])
+ is_valid_printable_32 (pt[5])
+ is_valid_printable_32 (pt[6])
+ is_valid_printable_32 (pt[7]);
if (entropy > (8 / (256 / (0x7e - 0x20)))) return;
if (correct != 8) return;
u32 digest[4];
/*
const int pt_len = 28; // not using 32 byte but 28 because our UTF8 allows up to 4 byte per character and since we decrypt 32 byte
// only we can't garantee it is not in the middle of a UTF8 byte stream at that point
digest[0] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[0];
digest[1] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[1];
digest[2] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[2];
digest[3] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[3];
//if ((gid == 0) && (lid == 0)) printf ("ct[0]=%08x\n", ct[0]);
//if ((gid == 0) && (lid == 0)) printf ("ct[1]=%08x\n", ct[1]);
//if ((gid == 0) && (lid == 0)) printf ("ct[2]=%08x\n", ct[2]);
//if ((gid == 0) && (lid == 0)) printf ("ct[3]=%08x\n", ct[3]);
const int digest_pos = find_hash (digest, DIGESTS_CNT, &digests_buf[DIGESTS_OFFSET_HOST]);
if (digest_pos != -1)
if (hc_enc_scan (pt, pt_len))
{
const u32 final_hash_pos = DIGESTS_OFFSET_HOST + digest_pos;
hc_enc_t hc_enc;
if (hc_atomic_inc (&hashes_shown[final_hash_pos]) == 0)
hc_enc_init (&hc_enc);
while (hc_enc_has_next (&hc_enc, pt_len))
{
mark_hash (plains_buf, d_return_buf, SALT_POS_HOST, DIGESTS_CNT, digest_pos, final_hash_pos, gid, il_pos, 0, 0);
u32 enc_buf[16] = { 0 };
const int enc_len = hc_enc_next (&hc_enc, pt, pt_len, 32, enc_buf, sizeof (enc_buf));
if (enc_len == -1) return;
}
}
*/
const u32 r0 = ct[0];
const u32 r1 = ct[1];
const u32 r2 = ct[2];
const u32 r3 = ct[3];
#define il_pos 0
#ifdef KERNEL_STATIC
#include COMPARE_M
#endif
}

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@ -24,7 +24,8 @@ static const u64 KERN_TYPE = 26610;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE
| OPTS_TYPE_PT_GENERATE_LE;
| OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_DEEP_COMP_KERNEL;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat1";
// hash generated using with python3 tools/metamask2hashcat.py --vault tools/2hashcat_tests/metamask2hashcat.json --shortdata
@ -92,6 +93,11 @@ char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAY
return jit_build_options;
}
u32 module_deep_comp_kernel (MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const u32 salt_pos, MAYBE_UNUSED const u32 digest_pos)
{
return KERN_RUN_3;
}
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 (pbkdf2_sha256_aes_gcm_t);
@ -221,7 +227,7 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
const u8 *ct_pos = token.buf[3];
const int ct_len = token.len[3];
memset (tmp_buf, 0, sizeof (tmp_buf));
memset (tmp_buf, 0, sizeof (tmp_buf));
tmp_len = base64_decode (base64_to_int, ct_pos, ct_len, tmp_buf);
@ -239,13 +245,13 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
digest[1] = (metamask->ct_buf[1]);
digest[2] = (metamask->ct_buf[2]);
digest[3] = (metamask->ct_buf[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)
{
pbkdf2_sha256_aes_gcm_t *metamask = (pbkdf2_sha256_aes_gcm_t *) esalt_buf;
const pbkdf2_sha256_aes_gcm_t *metamask = (const pbkdf2_sha256_aes_gcm_t *) esalt_buf;
// salt
@ -309,7 +315,7 @@ void module_init (module_ctx_t *module_ctx)
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_deep_comp_kernel = module_deep_comp_kernel;
module_ctx->module_deprecated_notice = MODULE_DEFAULT;
module_ctx->module_dgst_pos0 = module_dgst_pos0;
module_ctx->module_dgst_pos1 = module_dgst_pos1;