mirror of https://github.com/hashcat/hashcat.git
Lars Sætaberget
2 years ago
parent
4e2ad23081
commit
918b4cf7da
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,355 @@
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/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "common.h"
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#include "types.h"
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#include "modules.h"
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#include "bitops.h"
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#include "convert.h"
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#include "shared.h"
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static const u32 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_KERNEL;
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static const u32 DGST_POS0 = 0;
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static const u32 DGST_POS1 = 1;
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static const u32 DGST_POS2 = 2;
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static const u32 DGST_POS3 = 3;
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static const u32 DGST_SIZE = DGST_SIZE_4_6;
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static const u32 HASH_CATEGORY = HASH_CATEGORY_FORUM_SOFTWARE;
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static const char *HASH_NAME = "bcrypt(sha512($pass)) / bcryptsha512";
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static const u64 KERN_TYPE = 28400;
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static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
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static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE
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| OPTS_TYPE_DYNAMIC_SHARED;
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static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
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static const char *ST_PASS = "hashcat";
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static const char *ST_HASH = "$2a$12$KhivLhCuLhSyMBOxLxCyLu78x4z2X/EJdZNfS3Gy36fvRt56P2jbS";
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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static const char *SIGNATURE_BCRYPT1 = "$2a$";
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static const char *SIGNATURE_BCRYPT2 = "$2b$";
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static const char *SIGNATURE_BCRYPT3 = "$2x$";
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static const char *SIGNATURE_BCRYPT4 = "$2y$";
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typedef struct bcrypt_tmp
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{
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u32 E[18];
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u32 P[18];
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u32 S0[256];
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u32 S1[256];
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u32 S2[256];
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u32 S3[256];
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} bcrypt_tmp_t;
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u64 module_tmp_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)
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{
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const u64 tmp_size = (const u64) sizeof (bcrypt_tmp_t);
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return tmp_size;
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}
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bool module_jit_cache_disable (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)
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{
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return true;
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}
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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)
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{
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char *jit_build_options = NULL;
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// this mode heavily depends on the available shared memory size
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// note the kernel need to have some special code changes in order to make use to use post-48k memory region
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// we need to set some macros
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bool use_dynamic = false;
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if (device_param->is_cuda == true)
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{
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use_dynamic = true;
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}
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// this uses some nice feedback effect.
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// based on the device_local_mem_size the reqd_work_group_size in the kernel is set to some value
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// which is then is read from the opencl host in the kernel_preferred_wgs_multiple1/2/3 result.
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// therefore we do not need to set module_kernel_threads_min/max except for CPU, where the threads are set to fixed 1.
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if (device_param->opencl_device_type & CL_DEVICE_TYPE_CPU)
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{
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hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u", 1);
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}
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else
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{
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u32 overhead = 0;
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if (device_param->opencl_device_vendor_id == VENDOR_ID_NV)
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{
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// note we need to use device_param->device_local_mem_size - 4 because opencl jit returns with:
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// Entry function '...' uses too much shared data (0xc004 bytes, 0xc000 max)
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// on my development system. no clue where the 4 bytes are spent.
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// I did some research on this and it seems to be related with the datatype.
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// For example, if i used u8 instead, there's only 1 byte wasted.
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if (device_param->is_opencl == true)
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{
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overhead = 1;
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}
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}
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if (user_options->kernel_threads_chgd == true)
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{
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u32 fixed_local_size = user_options->kernel_threads;
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if (use_dynamic == true)
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{
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if ((fixed_local_size * 4096) > device_param->kernel_dynamic_local_mem_size_memset)
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{
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// otherwise out-of-bound reads
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fixed_local_size = device_param->kernel_dynamic_local_mem_size_memset / 4096;
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}
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hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u -D DYNAMIC_LOCAL", fixed_local_size);
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}
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else
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{
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if ((fixed_local_size * 4096) > (device_param->device_local_mem_size - overhead))
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{
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// otherwise out-of-bound reads
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fixed_local_size = (device_param->device_local_mem_size - overhead) / 4096;
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}
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hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u", fixed_local_size);
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}
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}
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else
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{
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if (use_dynamic == true)
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{
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// using kernel_dynamic_local_mem_size_memset is a bit hackish.
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// we had to brute-force this value out of an already loaded CUDA function.
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// there's no official way to query for this value.
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const u32 fixed_local_size = device_param->kernel_dynamic_local_mem_size_memset / 4096;
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hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u -D DYNAMIC_LOCAL", fixed_local_size);
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}
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else
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{
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const u32 fixed_local_size = (device_param->device_local_mem_size - overhead) / 4096;
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hc_asprintf (&jit_build_options, "-D FIXED_LOCAL_SIZE=%u", fixed_local_size);
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}
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}
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}
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return jit_build_options;
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}
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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)
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{
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u32 *digest = (u32 *) digest_buf;
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hc_token_t token;
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token.token_cnt = 4;
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token.signatures_cnt = 4;
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token.signatures_buf[0] = SIGNATURE_BCRYPT1;
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token.signatures_buf[1] = SIGNATURE_BCRYPT2;
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token.signatures_buf[2] = SIGNATURE_BCRYPT3;
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token.signatures_buf[3] = SIGNATURE_BCRYPT4;
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token.len[0] = 4;
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token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_SIGNATURE;
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token.len_min[1] = 2;
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token.len_max[1] = 2;
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token.sep[1] = '$';
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token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
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| TOKEN_ATTR_VERIFY_DIGIT;
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token.len[2] = 22;
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token.attr[2] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_BASE64B;
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token.len[3] = 31;
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token.attr[3] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_BASE64B;
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const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
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if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
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const u8 *iter_pos = token.buf[1];
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const u8 *salt_pos = token.buf[2];
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const u8 *hash_pos = token.buf[3];
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const int salt_len = token.len[2];
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const int hash_len = token.len[3];
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salt->salt_len = 16;
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salt->salt_iter = 1u << hc_strtoul ((const char *) iter_pos, NULL, 10);
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memcpy ((char *) salt->salt_sign, line_buf, 6);
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u8 *salt_buf_ptr = (u8 *) salt->salt_buf;
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u8 tmp_buf[100];
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memset (tmp_buf, 0, sizeof (tmp_buf));
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base64_decode (bf64_to_int, (const u8 *) salt_pos, salt_len, tmp_buf);
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memcpy (salt_buf_ptr, tmp_buf, 16);
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salt->salt_buf[0] = byte_swap_32 (salt->salt_buf[0]);
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salt->salt_buf[1] = byte_swap_32 (salt->salt_buf[1]);
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salt->salt_buf[2] = byte_swap_32 (salt->salt_buf[2]);
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salt->salt_buf[3] = byte_swap_32 (salt->salt_buf[3]);
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memset (tmp_buf, 0, sizeof (tmp_buf));
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base64_decode (bf64_to_int, (const u8 *) hash_pos, hash_len, tmp_buf);
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memcpy (digest, tmp_buf, 24);
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digest[0] = byte_swap_32 (digest[0]);
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digest[1] = byte_swap_32 (digest[1]);
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digest[2] = byte_swap_32 (digest[2]);
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digest[3] = byte_swap_32 (digest[3]);
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digest[4] = byte_swap_32 (digest[4]);
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digest[5] = byte_swap_32 (digest[5]);
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digest[5] &= ~0xffu; // its just 23 not 24 !
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return (PARSER_OK);
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}
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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)
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{
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const u32 *digest = (const u32 *) digest_buf;
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u32 tmp_digest[6];
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tmp_digest[0] = byte_swap_32 (digest[0]);
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tmp_digest[1] = byte_swap_32 (digest[1]);
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tmp_digest[2] = byte_swap_32 (digest[2]);
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tmp_digest[3] = byte_swap_32 (digest[3]);
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tmp_digest[4] = byte_swap_32 (digest[4]);
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tmp_digest[5] = byte_swap_32 (digest[5]);
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u32 tmp_salt[4];
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tmp_salt[0] = byte_swap_32 (salt->salt_buf[0]);
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tmp_salt[1] = byte_swap_32 (salt->salt_buf[1]);
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tmp_salt[2] = byte_swap_32 (salt->salt_buf[2]);
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tmp_salt[3] = byte_swap_32 (salt->salt_buf[3]);
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char tmp_buf[64];
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base64_encode (int_to_bf64, (const u8 *) tmp_salt, 16, (u8 *) tmp_buf + 0);
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base64_encode (int_to_bf64, (const u8 *) tmp_digest, 23, (u8 *) tmp_buf + 22);
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tmp_buf[22 + 31] = 0; // base64_encode wants to pad
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return snprintf (line_buf, line_size, "%s$%s", (char *) salt->salt_sign, tmp_buf);
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}
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void module_init (module_ctx_t *module_ctx)
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{
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module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT;
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module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT;
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module_ctx->module_attack_exec = module_attack_exec;
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module_ctx->module_benchmark_esalt = MODULE_DEFAULT;
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module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT;
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module_ctx->module_benchmark_mask = MODULE_DEFAULT;
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module_ctx->module_benchmark_salt = MODULE_DEFAULT;
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module_ctx->module_build_plain_postprocess = MODULE_DEFAULT;
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module_ctx->module_deep_comp_kernel = MODULE_DEFAULT;
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module_ctx->module_deprecated_notice = MODULE_DEFAULT;
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module_ctx->module_dgst_pos0 = module_dgst_pos0;
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module_ctx->module_dgst_pos1 = module_dgst_pos1;
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module_ctx->module_dgst_pos2 = module_dgst_pos2;
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module_ctx->module_dgst_pos3 = module_dgst_pos3;
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module_ctx->module_dgst_size = module_dgst_size;
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module_ctx->module_dictstat_disable = MODULE_DEFAULT;
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module_ctx->module_esalt_size = MODULE_DEFAULT;
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module_ctx->module_extra_buffer_size = MODULE_DEFAULT;
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module_ctx->module_extra_tmp_size = MODULE_DEFAULT;
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module_ctx->module_extra_tuningdb_block = MODULE_DEFAULT;
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module_ctx->module_forced_outfile_format = MODULE_DEFAULT;
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module_ctx->module_hash_binary_count = MODULE_DEFAULT;
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module_ctx->module_hash_binary_parse = MODULE_DEFAULT;
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module_ctx->module_hash_binary_save = MODULE_DEFAULT;
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module_ctx->module_hash_decode_postprocess = MODULE_DEFAULT;
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module_ctx->module_hash_decode_potfile = MODULE_DEFAULT;
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module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT;
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module_ctx->module_hash_decode = module_hash_decode;
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module_ctx->module_hash_encode_status = MODULE_DEFAULT;
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module_ctx->module_hash_encode_potfile = MODULE_DEFAULT;
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module_ctx->module_hash_encode = module_hash_encode;
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module_ctx->module_hash_init_selftest = MODULE_DEFAULT;
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module_ctx->module_hash_mode = MODULE_DEFAULT;
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module_ctx->module_hash_category = module_hash_category;
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module_ctx->module_hash_name = module_hash_name;
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module_ctx->module_hashes_count_min = MODULE_DEFAULT;
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module_ctx->module_hashes_count_max = MODULE_DEFAULT;
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module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
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module_ctx->module_hook_extra_param_size = MODULE_DEFAULT;
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module_ctx->module_hook_extra_param_init = MODULE_DEFAULT;
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module_ctx->module_hook_extra_param_term = MODULE_DEFAULT;
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module_ctx->module_hook12 = MODULE_DEFAULT;
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module_ctx->module_hook23 = MODULE_DEFAULT;
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module_ctx->module_hook_salt_size = MODULE_DEFAULT;
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module_ctx->module_hook_size = MODULE_DEFAULT;
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module_ctx->module_jit_build_options = module_jit_build_options;
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module_ctx->module_jit_cache_disable = module_jit_cache_disable;
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module_ctx->module_kernel_accel_max = MODULE_DEFAULT;
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module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
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module_ctx->module_kernel_loops_max = MODULE_DEFAULT;
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module_ctx->module_kernel_loops_min = MODULE_DEFAULT;
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module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
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module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
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module_ctx->module_kern_type = module_kern_type;
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module_ctx->module_kern_type_dynamic = MODULE_DEFAULT;
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module_ctx->module_opti_type = module_opti_type;
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module_ctx->module_opts_type = module_opts_type;
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module_ctx->module_outfile_check_disable = MODULE_DEFAULT;
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module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT;
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module_ctx->module_potfile_custom_check = MODULE_DEFAULT;
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module_ctx->module_potfile_disable = MODULE_DEFAULT;
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module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
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module_ctx->module_pwdump_column = MODULE_DEFAULT;
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module_ctx->module_pw_max = MODULE_DEFAULT;
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module_ctx->module_pw_min = MODULE_DEFAULT;
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module_ctx->module_salt_max = MODULE_DEFAULT;
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module_ctx->module_salt_min = MODULE_DEFAULT;
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module_ctx->module_salt_type = module_salt_type;
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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_tmp_size;
|
||||
module_ctx->module_unstable_warning = MODULE_DEFAULT;
|
||||
module_ctx->module_warmup_disable = MODULE_DEFAULT;
|
||||
}
|
||||
@ -0,0 +1,77 @@
|
||||
#!/usr/bin/env perl
|
||||
|
||||
##
|
||||
## Author......: See docs/credits.txt
|
||||
## License.....: MIT
|
||||
##
|
||||
|
||||
use strict;
|
||||
use warnings;
|
||||
|
||||
use Crypt::Eksblowfish::Bcrypt qw (bcrypt en_base64);
|
||||
use MIME::Base64 qw (decode_base64);
|
||||
use Digest::SHA qw (sha512_hex);
|
||||
|
||||
sub module_constraints { [[0, 256], [16, 16], [-1, -1], [-1, -1], [-1, -1]] }
|
||||
|
||||
sub module_generate_hash
|
||||
{
|
||||
my $word = shift;
|
||||
my $salt = shift;
|
||||
my $iter = shift;
|
||||
|
||||
my $cost = "12";
|
||||
|
||||
if (length ($iter))
|
||||
{
|
||||
$cost = $iter;
|
||||
}
|
||||
|
||||
my $sha512_word = sha512_hex ($word);
|
||||
|
||||
my $hash = bcrypt ($sha512_word, sprintf ('$2a$%s$%s$', $cost, en_base64 ($salt)));
|
||||
|
||||
return $hash;
|
||||
}
|
||||
|
||||
sub module_verify_hash
|
||||
{
|
||||
my $line = shift;
|
||||
|
||||
my $index1 = index ($line, ":", 33);
|
||||
|
||||
return if $index1 < 1;
|
||||
|
||||
my $hash = substr ($line, 0, $index1);
|
||||
my $word = substr ($line, $index1 + 1);
|
||||
|
||||
my $index2 = index ($hash, "\$", 4);
|
||||
|
||||
my $iter = substr ($hash, 4, $index2 - 4);
|
||||
|
||||
my $plain_base64 = substr ($hash, $index2 + 1, 22);
|
||||
|
||||
# base64 mapping
|
||||
|
||||
my $base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
||||
my $itoa64_2 = "./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
|
||||
|
||||
my $encoded = "";
|
||||
|
||||
for (my $i = 0; $i < length ($plain_base64); $i++)
|
||||
{
|
||||
my $char = substr ($plain_base64, $i, 1);
|
||||
|
||||
$encoded .= substr ($base64, index ($itoa64_2, $char), 1);
|
||||
}
|
||||
|
||||
my $salt = decode_base64 ($encoded);
|
||||
|
||||
my $word_packed = pack_if_HEX_notation ($word);
|
||||
|
||||
my $new_hash = module_generate_hash ($word_packed, $salt, $iter);
|
||||
|
||||
return ($new_hash, $word);
|
||||
}
|
||||
|
||||
1;
|
||||
Loading…
Reference in new issue