mirror of https://github.com/hashcat/hashcat.git
jsteube
5 years ago
parent
4b9b59a3cb
commit
8ad3333d2a
@ -0,0 +1,279 @@
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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_OS;
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static const char *HASH_NAME = "bcrypt $2*$, Blowfish (Unix)";
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static const u32 HASH_TYPE = HASH_TYPE_GENERIC;
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static const u64 KERN_TYPE = 3200;
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static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
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static const u64 OPTS_TYPE = OPTS_TYPE_STATE_BUFFER_LE
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| OPTS_TYPE_PT_GENERATE_LE
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| OPTS_TYPE_ST_GENERATE_LE;
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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$05$MBCzKhG1KhezLh.0LRa0Kuw12nLJtpHy6DIaU.JAnqJUDYspHC.Ou";
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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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u32 module_hash_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 HASH_TYPE; }
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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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bool module_unstable_warning (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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#if defined (__APPLE__)
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return true;
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#endif // __APPLE__
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return false;
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}
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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)
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{
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const u32 pw_max = 72; // Underlaying Blowfish max
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return pw_max;
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}
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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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u32 module_kernel_threads_min (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 u32 kernel_threads_min = 8;
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return kernel_threads_min;
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}
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u32 module_kernel_threads_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)
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{
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const u32 kernel_threads_max = 8;
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return kernel_threads_max;
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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 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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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 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_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_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_binary_verify = MODULE_DEFAULT;
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module_ctx->module_hash_decode_outfile = 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 = 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_hash_type = module_hash_type;
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module_ctx->module_hlfmt_disable = 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_DEFAULT;
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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_kernel_threads_max;
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module_ctx->module_kernel_threads_min = module_kernel_threads_min;
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module_ctx->module_kern_type = module_kern_type;
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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_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_pw_max;
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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;
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module_ctx->module_st_hash = module_st_hash;
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module_ctx->module_st_pass = module_st_pass;
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module_ctx->module_tmp_size = module_tmp_size;
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module_ctx->module_unstable_warning = module_unstable_warning;
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module_ctx->module_warmup_disable = MODULE_DEFAULT;
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}
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@ -0,0 +1,74 @@
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#!/usr/bin/env perl
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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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use strict;
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use warnings;
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use Crypt::Eksblowfish::Bcrypt qw (bcrypt en_base64);
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use MIME::Base64 qw (decode_base64);
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sub module_constraints { [[0, 72], [16, 16], [0, 72], [16, 16], [-1, -1]] }
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sub module_generate_hash
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{
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my $word = shift;
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my $salt = shift;
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my $iter = shift;
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my $cost = "05";
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if (length ($iter))
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{
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$cost = $iter;
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}
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my $hash = bcrypt ($word, sprintf ('$2a$%s$%s$', $cost, en_base64 ($salt)));
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return $hash;
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}
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sub module_verify_hash
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{
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my $line = shift;
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my $index1 = index ($line, ":", 33);
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return if $index1 < 1;
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my $hash = substr ($line, 0, $index1);
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my $word = substr ($line, $index1 + 1);
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my $index2 = index ($hash, "\$", 4);
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my $iter = substr ($hash, 4, $index2 - 4);
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my $plain_base64 = substr ($hash, $index2 + 1, 22);
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# base64 mapping
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my $base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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my $itoa64_2 = "./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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my $encoded = "";
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for (my $i = 0; $i < length ($plain_base64); $i++)
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{
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my $char = substr ($plain_base64, $i, 1);
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$encoded .= substr ($base64, index ($itoa64_2, $char), 1);
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}
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my $salt = decode_base64 ($encoded);
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my $word_packed = pack_if_HEX_notation ($word);
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my $new_hash = module_generate_hash ($word_packed, $salt, $iter);
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return ($new_hash, $word);
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}
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1;
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