1 /**
2  * Author......: See docs/credits.txt
3  * License.....: MIT
4  */
5 
6 #include "common.h"
7 #include "types.h"
8 #include "modules.h"
9 #include "bitops.h"
10 #include "convert.h"
11 #include "shared.h"
12 
13 static const u32   ATTACK_EXEC    = ATTACK_EXEC_INSIDE_KERNEL;
14 static const u32   DGST_POS0      = 3;
15 static const u32   DGST_POS1      = 4;
16 static const u32   DGST_POS2      = 2;
17 static const u32   DGST_POS3      = 1;
18 static const u32   DGST_SIZE      = DGST_SIZE_4_5;
19 static const u32   HASH_CATEGORY  = HASH_CATEGORY_DATABASE_SERVER;
20 static const char *HASH_NAME      = "MySQL CRAM (SHA1)";
21 static const u64   KERN_TYPE      = 11200;
22 static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE
23                                   | OPTI_TYPE_EARLY_SKIP;
24 static const u64   OPTS_TYPE      = OPTS_TYPE_PT_GENERATE_BE
25                                   | OPTS_TYPE_PT_ADD80
26                                   | OPTS_TYPE_ST_HEX;
27 static const u32   SALT_TYPE      = SALT_TYPE_EMBEDDED;
28 static const char *ST_PASS        = "hashcat";
29 static const char *ST_HASH        = "$mysqlna$2576670568531371763643101056213751754328*5e4be686a3149a12847caa9898247dcc05739601";
30 
31 static const char *SIGNATURE_MYSQL_AUTH = "$mysqlna$";
32 
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)33 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;     }
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)34 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;       }
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)35 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;       }
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)36 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;       }
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)37 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;       }
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)38 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;       }
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)39 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;   }
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)40 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;       }
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)41 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;       }
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)42 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;       }
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)43 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;       }
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)44 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;       }
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)45 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;         }
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)46 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;         }
47 
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)48 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)
49 {
50   u32 *digest = (u32 *) digest_buf;
51 
52   token_t token;
53 
54   token.token_cnt  = 3;
55 
56   token.signatures_cnt    = 1;
57   token.signatures_buf[0] = SIGNATURE_MYSQL_AUTH;
58 
59   token.len[0]     = 9;
60   token.attr[0]    = TOKEN_ATTR_FIXED_LENGTH
61                    | TOKEN_ATTR_VERIFY_SIGNATURE;
62 
63   token.sep[1]     = '*';
64   token.len_min[1] = 40;
65   token.len_max[1] = 40;
66   token.attr[1]    = TOKEN_ATTR_VERIFY_LENGTH
67                    | TOKEN_ATTR_VERIFY_HEX;
68 
69   token.sep[2]     = '*';
70   token.len_min[2] = 40;
71   token.len_max[2] = 40;
72   token.attr[2]    = TOKEN_ATTR_VERIFY_LENGTH
73                    | TOKEN_ATTR_VERIFY_HEX;
74 
75   const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
76 
77   if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
78 
79   // hash
80 
81   const u8 *hash_pos = token.buf[2];
82 
83   digest[0] = hex_to_u32 (hash_pos +  0);
84   digest[1] = hex_to_u32 (hash_pos +  8);
85   digest[2] = hex_to_u32 (hash_pos + 16);
86   digest[3] = hex_to_u32 (hash_pos + 24);
87   digest[4] = hex_to_u32 (hash_pos + 32);
88 
89   digest[0] = byte_swap_32 (digest[0]);
90   digest[1] = byte_swap_32 (digest[1]);
91   digest[2] = byte_swap_32 (digest[2]);
92   digest[3] = byte_swap_32 (digest[3]);
93   digest[4] = byte_swap_32 (digest[4]);
94 
95   /*
96    * store salt
97    */
98 
99   const u8 *salt_pos = token.buf[1];
100   const int salt_len = token.len[1];
101 
102   const bool parse_rc = generic_salt_decode (hashconfig, salt_pos, salt_len, (u8 *) salt->salt_buf, (int *) &salt->salt_len);
103 
104   if (parse_rc == false) return (PARSER_SALT_LENGTH);
105 
106   return (PARSER_OK);
107 }
108 
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)109 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)
110 {
111   const u32 *digest = (const u32 *) digest_buf;
112 
113   char tmp_salt[SALT_MAX * 2];
114 
115   const int salt_len = generic_salt_encode (hashconfig, (const u8 *) salt->salt_buf, (const int) salt->salt_len, (u8 *) tmp_salt);
116 
117   tmp_salt[salt_len] = 0;
118 
119   const int line_len = snprintf (line_buf, line_size, "%s%s*%08x%08x%08x%08x%08x",
120     SIGNATURE_MYSQL_AUTH,
121     tmp_salt,
122     digest[0],
123     digest[1],
124     digest[2],
125     digest[3],
126     digest[4]);
127 
128   return line_len;
129 }
130 
module_init(module_ctx_t * module_ctx)131 void module_init (module_ctx_t *module_ctx)
132 {
133   module_ctx->module_context_size             = MODULE_CONTEXT_SIZE_CURRENT;
134   module_ctx->module_interface_version        = MODULE_INTERFACE_VERSION_CURRENT;
135 
136   module_ctx->module_attack_exec              = module_attack_exec;
137   module_ctx->module_benchmark_esalt          = MODULE_DEFAULT;
138   module_ctx->module_benchmark_hook_salt      = MODULE_DEFAULT;
139   module_ctx->module_benchmark_mask           = MODULE_DEFAULT;
140   module_ctx->module_benchmark_salt           = MODULE_DEFAULT;
141   module_ctx->module_build_plain_postprocess  = MODULE_DEFAULT;
142   module_ctx->module_deep_comp_kernel         = MODULE_DEFAULT;
143   module_ctx->module_deprecated_notice        = MODULE_DEFAULT;
144   module_ctx->module_dgst_pos0                = module_dgst_pos0;
145   module_ctx->module_dgst_pos1                = module_dgst_pos1;
146   module_ctx->module_dgst_pos2                = module_dgst_pos2;
147   module_ctx->module_dgst_pos3                = module_dgst_pos3;
148   module_ctx->module_dgst_size                = module_dgst_size;
149   module_ctx->module_dictstat_disable         = MODULE_DEFAULT;
150   module_ctx->module_esalt_size               = MODULE_DEFAULT;
151   module_ctx->module_extra_buffer_size        = MODULE_DEFAULT;
152   module_ctx->module_extra_tmp_size           = MODULE_DEFAULT;
153   module_ctx->module_extra_tuningdb_block     = MODULE_DEFAULT;
154   module_ctx->module_forced_outfile_format    = MODULE_DEFAULT;
155   module_ctx->module_hash_binary_count        = MODULE_DEFAULT;
156   module_ctx->module_hash_binary_parse        = MODULE_DEFAULT;
157   module_ctx->module_hash_binary_save         = MODULE_DEFAULT;
158   module_ctx->module_hash_decode_potfile      = MODULE_DEFAULT;
159   module_ctx->module_hash_decode_zero_hash    = MODULE_DEFAULT;
160   module_ctx->module_hash_decode              = module_hash_decode;
161   module_ctx->module_hash_encode_status       = MODULE_DEFAULT;
162   module_ctx->module_hash_encode_potfile      = MODULE_DEFAULT;
163   module_ctx->module_hash_encode              = module_hash_encode;
164   module_ctx->module_hash_init_selftest       = MODULE_DEFAULT;
165   module_ctx->module_hash_mode                = MODULE_DEFAULT;
166   module_ctx->module_hash_category            = module_hash_category;
167   module_ctx->module_hash_name                = module_hash_name;
168   module_ctx->module_hashes_count_min         = MODULE_DEFAULT;
169   module_ctx->module_hashes_count_max         = MODULE_DEFAULT;
170   module_ctx->module_hlfmt_disable            = MODULE_DEFAULT;
171   module_ctx->module_hook_extra_param_size    = MODULE_DEFAULT;
172   module_ctx->module_hook_extra_param_init    = MODULE_DEFAULT;
173   module_ctx->module_hook_extra_param_term    = MODULE_DEFAULT;
174   module_ctx->module_hook12                   = MODULE_DEFAULT;
175   module_ctx->module_hook23                   = MODULE_DEFAULT;
176   module_ctx->module_hook_salt_size           = MODULE_DEFAULT;
177   module_ctx->module_hook_size                = MODULE_DEFAULT;
178   module_ctx->module_jit_build_options        = MODULE_DEFAULT;
179   module_ctx->module_jit_cache_disable        = MODULE_DEFAULT;
180   module_ctx->module_kernel_accel_max         = MODULE_DEFAULT;
181   module_ctx->module_kernel_accel_min         = MODULE_DEFAULT;
182   module_ctx->module_kernel_loops_max         = MODULE_DEFAULT;
183   module_ctx->module_kernel_loops_min         = MODULE_DEFAULT;
184   module_ctx->module_kernel_threads_max       = MODULE_DEFAULT;
185   module_ctx->module_kernel_threads_min       = MODULE_DEFAULT;
186   module_ctx->module_kern_type                = module_kern_type;
187   module_ctx->module_kern_type_dynamic        = MODULE_DEFAULT;
188   module_ctx->module_opti_type                = module_opti_type;
189   module_ctx->module_opts_type                = module_opts_type;
190   module_ctx->module_outfile_check_disable    = MODULE_DEFAULT;
191   module_ctx->module_outfile_check_nocomp     = MODULE_DEFAULT;
192   module_ctx->module_potfile_custom_check     = MODULE_DEFAULT;
193   module_ctx->module_potfile_disable          = MODULE_DEFAULT;
194   module_ctx->module_potfile_keep_all_hashes  = MODULE_DEFAULT;
195   module_ctx->module_pwdump_column            = MODULE_DEFAULT;
196   module_ctx->module_pw_max                   = MODULE_DEFAULT;
197   module_ctx->module_pw_min                   = MODULE_DEFAULT;
198   module_ctx->module_salt_max                 = MODULE_DEFAULT;
199   module_ctx->module_salt_min                 = MODULE_DEFAULT;
200   module_ctx->module_salt_type                = module_salt_type;
201   module_ctx->module_separator                = MODULE_DEFAULT;
202   module_ctx->module_st_hash                  = module_st_hash;
203   module_ctx->module_st_pass                  = module_st_pass;
204   module_ctx->module_tmp_size                 = MODULE_DEFAULT;
205   module_ctx->module_unstable_warning         = MODULE_DEFAULT;
206   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
207 }
208