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05f107cbe5
hashcat/src/modules/module_10420.c
Jens Steube 01738fafa0 Deprecated Plugins: Add new module function module_deprecated_notice() to mark a plugin as deprecated and to return a free text user notice 
Added option --deprecated-check-disable to enable deprecated plugins
2021-08-10 17:59:52 +02:00

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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 = 1;
static const u32 DGST_POS2 = 2;
static const u32 DGST_POS3 = 3;
static const u32 DGST_SIZE = DGST_SIZE_4_4;
static const u32 HASH_CATEGORY = HASH_CATEGORY_DOCUMENTS;
static const char *HASH_NAME = "PDF 1.1 - 1.3 (Acrobat 2 - 4), collider #2";
static const u64 KERN_TYPE = 10420;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_NOT_ITERATED;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "$pdf$1*2*40*-1*0*16*01221086741440841668371056103222*32*27c3fecef6d46a78eb61b8b4dbc690f5f8a2912bbb9afc842c12d79481568b74*32*0000000000000000000000000000000000000000000000000000000000000000:6a8aedccb7";
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; }
typedef struct pdf
{
int V;
int R;
int P;
int enc_md;
u32 id_buf[8];
u32 u_buf[32];
u32 o_buf[32];
int id_len;
int o_len;
int u_len;
u32 rc4key[2];
u32 rc4data[2];
} pdf_t;
static const char *SIGNATURE_PDF = "$pdf$";
char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
{
char *jit_build_options = NULL;
u32 native_threads = 0;
if (device_param->opencl_device_type & CL_DEVICE_TYPE_CPU)
{
native_threads = 1;
}
else if (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU)
{
if (device_param->device_local_mem_size < 49152)
{
native_threads = MIN (device_param->kernel_preferred_wgs_multiple, 32); // We can't just set 32, because Intel GPU need 8
}
else
{
native_threads = device_param->kernel_preferred_wgs_multiple;
}
}
hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u -D _unroll", native_threads);
return jit_build_options;
}
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 (pdf_t);
return esalt_size;
}
u32 module_pw_max (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 u32 pw_max = 32; // https://www.pdflib.com/knowledge-base/pdf-password-security/encryption/
return pw_max;
}
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;
pdf_t *pdf = (pdf_t *) esalt_buf;
token_t token;
token.token_cnt = 13;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_PDF;
token.len[0] = 5;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
token.len_min[1] = 1;
token.len_max[1] = 1;
token.sep[1] = '*';
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.len_min[2] = 1;
token.len_max[2] = 1;
token.sep[2] = '*';
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.len_min[3] = 2;
token.len_max[3] = 2;
token.sep[3] = '*';
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.len_min[4] = 1;
token.len_max[4] = 6;
token.sep[4] = '*';
token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH;
token.len_min[5] = 1;
token.len_max[5] = 1;
token.sep[5] = '*';
token.attr[5] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.len_min[6] = 2;
token.len_max[6] = 2;
token.sep[6] = '*';
token.attr[6] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.len_min[7] = 32;
token.len_max[7] = 32;
token.sep[7] = '*';
token.attr[7] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.len_min[8] = 2;
token.len_max[8] = 2;
token.sep[8] = '*';
token.attr[8] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.len_min[9] = 64;
token.len_max[9] = 64;
token.sep[9] = '*';
token.attr[9] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.len_min[10] = 2;
token.len_max[10] = 2;
token.sep[10] = '*';
token.attr[10] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.len_min[11] = 64;
token.len_max[11] = 64;
token.sep[11] = ':';
token.attr[11] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.len_min[12] = 10;
token.len_max[12] = 10;
token.sep[12] = '*';
token.attr[12] = 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);
const u8 *V_pos = token.buf[1];
const u8 *R_pos = token.buf[2];
const u8 *bits_pos = token.buf[3];
const u8 *P_pos = token.buf[4];
const u8 *enc_md_pos = token.buf[5];
const u8 *id_len_pos = token.buf[6];
const u8 *id_buf_pos = token.buf[7];
const u8 *u_len_pos = token.buf[8];
const u8 *u_buf_pos = token.buf[9];
const u8 *o_len_pos = token.buf[10];
const u8 *o_buf_pos = token.buf[11];
const u8 *rc4key_pos = token.buf[12];
// validate data
const int V = strtol ((const char *) V_pos, NULL, 10);
const int R = strtol ((const char *) R_pos, NULL, 10);
const int P = strtol ((const char *) P_pos, NULL, 10);
if (V != 1) return (PARSER_SALT_VALUE);
if (R != 2) return (PARSER_SALT_VALUE);
const int enc_md = strtol ((const char *) enc_md_pos, NULL, 10);
if ((enc_md != 0) && (enc_md != 1)) return (PARSER_SALT_VALUE);
const int id_len = strtol ((const char *) id_len_pos, NULL, 10);
const int u_len = strtol ((const char *) u_len_pos, NULL, 10);
const int o_len = strtol ((const char *) o_len_pos, NULL, 10);
if (id_len != 16) return (PARSER_SALT_VALUE);
if (u_len != 32) return (PARSER_SALT_VALUE);
if (o_len != 32) return (PARSER_SALT_VALUE);
const int bits = strtol ((const char *) bits_pos, NULL, 10);
if (bits != 40) return (PARSER_SALT_VALUE);
// copy data to esalt
pdf->V = V;
pdf->R = R;
pdf->P = P;
pdf->enc_md = enc_md;
pdf->id_buf[0] = hex_to_u32 (id_buf_pos + 0);
pdf->id_buf[1] = hex_to_u32 (id_buf_pos + 8);
pdf->id_buf[2] = hex_to_u32 (id_buf_pos + 16);
pdf->id_buf[3] = hex_to_u32 (id_buf_pos + 24);
pdf->id_len = id_len;
pdf->u_buf[0] = hex_to_u32 (u_buf_pos + 0);
pdf->u_buf[1] = hex_to_u32 (u_buf_pos + 8);
pdf->u_buf[2] = hex_to_u32 (u_buf_pos + 16);
pdf->u_buf[3] = hex_to_u32 (u_buf_pos + 24);
pdf->u_buf[4] = hex_to_u32 (u_buf_pos + 32);
pdf->u_buf[5] = hex_to_u32 (u_buf_pos + 40);
pdf->u_buf[6] = hex_to_u32 (u_buf_pos + 48);
pdf->u_buf[7] = hex_to_u32 (u_buf_pos + 56);
pdf->u_len = u_len;
pdf->o_buf[0] = hex_to_u32 (o_buf_pos + 0);
pdf->o_buf[1] = hex_to_u32 (o_buf_pos + 8);
pdf->o_buf[2] = hex_to_u32 (o_buf_pos + 16);
pdf->o_buf[3] = hex_to_u32 (o_buf_pos + 24);
pdf->o_buf[4] = hex_to_u32 (o_buf_pos + 32);
pdf->o_buf[5] = hex_to_u32 (o_buf_pos + 40);
pdf->o_buf[6] = hex_to_u32 (o_buf_pos + 48);
pdf->o_buf[7] = hex_to_u32 (o_buf_pos + 56);
pdf->o_len = o_len;
pdf->rc4key[1] = 0;
pdf->rc4key[0] = 0;
pdf->rc4key[0] |= hex_convert (rc4key_pos[0]) << 28;
pdf->rc4key[0] |= hex_convert (rc4key_pos[1]) << 24;
pdf->rc4key[0] |= hex_convert (rc4key_pos[2]) << 20;
pdf->rc4key[0] |= hex_convert (rc4key_pos[3]) << 16;
pdf->rc4key[0] |= hex_convert (rc4key_pos[4]) << 12;
pdf->rc4key[0] |= hex_convert (rc4key_pos[5]) << 8;
pdf->rc4key[0] |= hex_convert (rc4key_pos[6]) << 4;
pdf->rc4key[0] |= hex_convert (rc4key_pos[7]) << 0;
pdf->rc4key[1] |= hex_convert (rc4key_pos[8]) << 28;
pdf->rc4key[1] |= hex_convert (rc4key_pos[9]) << 24;
pdf->rc4key[0] = byte_swap_32 (pdf->rc4key[0]);
pdf->rc4key[1] = byte_swap_32 (pdf->rc4key[1]);
// we use ID for salt, maybe needs to change, we will see...
salt->salt_buf[0] = pdf->id_buf[0];
salt->salt_buf[1] = pdf->id_buf[1];
salt->salt_buf[2] = pdf->id_buf[2];
salt->salt_buf[3] = pdf->id_buf[3];
salt->salt_buf[4] = pdf->u_buf[0];
salt->salt_buf[5] = pdf->u_buf[1];
salt->salt_buf[6] = pdf->o_buf[0];
salt->salt_buf[7] = pdf->o_buf[1];
salt->salt_len = pdf->id_len + 16;
digest[0] = pdf->rc4key[0];
digest[1] = pdf->rc4key[1];
digest[2] = 0;
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 pdf_t *pdf = (const pdf_t *) esalt_buf;
const u8 *rc4key = (const u8 *) pdf->rc4key;
const int line_len = snprintf (line_buf, line_size, "$pdf$%d*%d*%d*%d*%d*%d*%08x%08x%08x%08x*%d*%08x%08x%08x%08x%08x%08x%08x%08x*%d*%08x%08x%08x%08x%08x%08x%08x%08x:%02x%02x%02x%02x%02x",
pdf->V,
pdf->R,
40,
pdf->P,
pdf->enc_md,
pdf->id_len,
byte_swap_32 (pdf->id_buf[0]),
byte_swap_32 (pdf->id_buf[1]),
byte_swap_32 (pdf->id_buf[2]),
byte_swap_32 (pdf->id_buf[3]),
pdf->u_len,
byte_swap_32 (pdf->u_buf[0]),
byte_swap_32 (pdf->u_buf[1]),
byte_swap_32 (pdf->u_buf[2]),
byte_swap_32 (pdf->u_buf[3]),
byte_swap_32 (pdf->u_buf[4]),
byte_swap_32 (pdf->u_buf[5]),
byte_swap_32 (pdf->u_buf[6]),
byte_swap_32 (pdf->u_buf[7]),
pdf->o_len,
byte_swap_32 (pdf->o_buf[0]),
byte_swap_32 (pdf->o_buf[1]),
byte_swap_32 (pdf->o_buf[2]),
byte_swap_32 (pdf->o_buf[3]),
byte_swap_32 (pdf->o_buf[4]),
byte_swap_32 (pdf->o_buf[5]),
byte_swap_32 (pdf->o_buf[6]),
byte_swap_32 (pdf->o_buf[7]),
rc4key[0],
rc4key[1],
rc4key[2],
rc4key[3],
rc4key[4]
);
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_deprecated_notice = 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_extra_tuningdb_block = 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_jit_build_options;
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_pw_max;
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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