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hashcat/src/modules/module_00022.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"
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_OS;
static const char *HASH_NAME = "Juniper NetScreen/SSG (ScreenOS)";
static const u64 KERN_TYPE = 20;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_PRECOMPUTE_INIT
| OPTI_TYPE_EARLY_SKIP
| OPTI_TYPE_NOT_ITERATED
| OPTI_TYPE_PREPENDED_SALT
| OPTI_TYPE_RAW_HASH;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_PT_ADD80
| OPTS_TYPE_PT_ADDBITS14;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "nKjiFErqK7TPcZdFZsZMNWPtw4Pv8n:26506173";
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 *adm = ":Administration Tools:";
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;
token_t token;
token.token_cnt = 2;
token.sep[0] = hashconfig->separator;
token.len_min[0] = 30;
token.len_max[0] = 30;
token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_BASE64A;
token.len_min[1] = SALT_MIN;
token.len_max[1] = SALT_MAX - 23;
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH;
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
const u8 *hash_pos = token.buf[0];
// unscramble
u8 clean_input_buf[32] = { 0 };
char sig[6] = { 'n', 'r', 'c', 's', 't', 'n' };
int pos[6] = { 0, 6, 12, 17, 23, 29 };
for (int i = 0, j = 0, k = 0; i < 30; i++)
{
if (i == pos[j])
{
if (sig[j] != hash_pos[i]) return (PARSER_SIGNATURE_UNMATCHED);
j++;
}
else
{
clean_input_buf[k] = hash_pos[i];
k++;
}
}
// base64 decode
u32 a, b, c, d, e, f;
a = base64_to_int (clean_input_buf[ 0] & 0x7f);
b = base64_to_int (clean_input_buf[ 1] & 0x7f);
c = base64_to_int (clean_input_buf[ 2] & 0x7f);
d = base64_to_int (clean_input_buf[ 3] & 0x7f);
e = base64_to_int (clean_input_buf[ 4] & 0x7f);
f = base64_to_int (clean_input_buf[ 5] & 0x7f);
digest[0] = (((a << 12) | (b << 6) | (c)) << 16)
| (((d << 12) | (e << 6) | (f)) << 0);
a = base64_to_int (clean_input_buf[ 6] & 0x7f);
b = base64_to_int (clean_input_buf[ 7] & 0x7f);
c = base64_to_int (clean_input_buf[ 8] & 0x7f);
d = base64_to_int (clean_input_buf[ 9] & 0x7f);
e = base64_to_int (clean_input_buf[10] & 0x7f);
f = base64_to_int (clean_input_buf[11] & 0x7f);
digest[1] = (((a << 12) | (b << 6) | (c)) << 16)
| (((d << 12) | (e << 6) | (f)) << 0);
a = base64_to_int (clean_input_buf[12] & 0x7f);
b = base64_to_int (clean_input_buf[13] & 0x7f);
c = base64_to_int (clean_input_buf[14] & 0x7f);
d = base64_to_int (clean_input_buf[15] & 0x7f);
e = base64_to_int (clean_input_buf[16] & 0x7f);
f = base64_to_int (clean_input_buf[17] & 0x7f);
digest[2] = (((a << 12) | (b << 6) | (c)) << 16)
| (((d << 12) | (e << 6) | (f)) << 0);
a = base64_to_int (clean_input_buf[18] & 0x7f);
b = base64_to_int (clean_input_buf[19] & 0x7f);
c = base64_to_int (clean_input_buf[20] & 0x7f);
d = base64_to_int (clean_input_buf[21] & 0x7f);
e = base64_to_int (clean_input_buf[22] & 0x7f);
f = base64_to_int (clean_input_buf[23] & 0x7f);
digest[3] = (((a << 12) | (b << 6) | (c)) << 16)
| (((d << 12) | (e << 6) | (f)) << 0);
digest[0] = byte_swap_32 (digest[0]);
digest[1] = byte_swap_32 (digest[1]);
digest[2] = byte_swap_32 (digest[2]);
digest[3] = byte_swap_32 (digest[3]);
if (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL)
{
digest[0] -= MD5M_A;
digest[1] -= MD5M_B;
digest[2] -= MD5M_C;
digest[3] -= MD5M_D;
}
const u8 *salt_pos = token.buf[1];
const int salt_len = token.len[1];
const bool parse_rc = generic_salt_decode (hashconfig, salt_pos, salt_len, (u8 *) salt->salt_buf, (int *) &salt->salt_len);
if (parse_rc == false) return (PARSER_SALT_LENGTH);
if (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL)
{
// max. salt length: 55 (max for MD5) - 22 (":Administration Tools:") - 1 (0x80) = 32
if (salt->salt_len > 32) return (PARSER_SALT_LENGTH);
}
u8 *salt_buf_ptr = (u8 *) salt->salt_buf;
memcpy (salt_buf_ptr + salt->salt_len, adm, strlen (adm));
salt->salt_len += strlen (adm);
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)
{
u32 *digest = (u32 *) digest_buf;
char sig[6] = { 'n', 'r', 'c', 's', 't', 'n' };
u32 tmp[4];
tmp[0] = digest[0];
tmp[1] = digest[1];
tmp[2] = digest[2];
tmp[3] = digest[3];
if (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL)
{
tmp[0] += MD5M_A;
tmp[1] += MD5M_B;
tmp[2] += MD5M_C;
tmp[3] += MD5M_D;
}
tmp[0] = byte_swap_32 (tmp[0]);
tmp[1] = byte_swap_32 (tmp[1]);
tmp[2] = byte_swap_32 (tmp[2]);
tmp[3] = byte_swap_32 (tmp[3]);
u8 tmp_buf[32];
tmp_buf[ 0] = sig[0];
tmp_buf[ 1] = int_to_base64 (((v16b_from_v32 (tmp[0])) >> 12) & 0x3f);
tmp_buf[ 2] = int_to_base64 (((v16b_from_v32 (tmp[0])) >> 6) & 0x3f);
tmp_buf[ 3] = int_to_base64 (((v16b_from_v32 (tmp[0])) >> 0) & 0x3f);
tmp_buf[ 4] = int_to_base64 (((v16a_from_v32 (tmp[0])) >> 12) & 0x3f);
tmp_buf[ 5] = int_to_base64 (((v16a_from_v32 (tmp[0])) >> 6) & 0x3f);
tmp_buf[ 6] = sig[1];
tmp_buf[ 7] = int_to_base64 (((v16a_from_v32 (tmp[0])) >> 0) & 0x3f);
tmp_buf[ 8] = int_to_base64 (((v16b_from_v32 (tmp[1])) >> 12) & 0x3f);
tmp_buf[ 9] = int_to_base64 (((v16b_from_v32 (tmp[1])) >> 6) & 0x3f);
tmp_buf[10] = int_to_base64 (((v16b_from_v32 (tmp[1])) >> 0) & 0x3f);
tmp_buf[11] = int_to_base64 (((v16a_from_v32 (tmp[1])) >> 12) & 0x3f);
tmp_buf[12] = sig[2];
tmp_buf[13] = int_to_base64 (((v16a_from_v32 (tmp[1])) >> 6) & 0x3f);
tmp_buf[14] = int_to_base64 (((v16a_from_v32 (tmp[1])) >> 0) & 0x3f);
tmp_buf[15] = int_to_base64 (((v16b_from_v32 (tmp[2])) >> 12) & 0x3f);
tmp_buf[16] = int_to_base64 (((v16b_from_v32 (tmp[2])) >> 6) & 0x3f);
tmp_buf[17] = sig[3];
tmp_buf[18] = int_to_base64 (((v16b_from_v32 (tmp[2])) >> 0) & 0x3f);
tmp_buf[19] = int_to_base64 (((v16a_from_v32 (tmp[2])) >> 12) & 0x3f);
tmp_buf[20] = int_to_base64 (((v16a_from_v32 (tmp[2])) >> 6) & 0x3f);
tmp_buf[21] = int_to_base64 (((v16a_from_v32 (tmp[2])) >> 0) & 0x3f);
tmp_buf[22] = int_to_base64 (((v16b_from_v32 (tmp[3])) >> 12) & 0x3f);
tmp_buf[23] = sig[4];
tmp_buf[24] = int_to_base64 (((v16b_from_v32 (tmp[3])) >> 6) & 0x3f);
tmp_buf[25] = int_to_base64 (((v16b_from_v32 (tmp[3])) >> 0) & 0x3f);
tmp_buf[26] = int_to_base64 (((v16a_from_v32 (tmp[3])) >> 12) & 0x3f);
tmp_buf[27] = int_to_base64 (((v16a_from_v32 (tmp[3])) >> 6) & 0x3f);
tmp_buf[28] = int_to_base64 (((v16a_from_v32 (tmp[3])) >> 0) & 0x3f);
tmp_buf[29] = sig[5];
tmp_buf[30] = 0;
char tmp_salt[SALT_MAX * 2];
const int salt_len = generic_salt_encode (hashconfig, (const u8 *) salt->salt_buf, (const int) salt->salt_len - strlen (adm), (u8 *) tmp_salt);
tmp_salt[salt_len] = 0;
const int line_len = snprintf (line_buf, line_size, "%s:%s", tmp_buf, tmp_salt);
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_DEFAULT;
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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