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fix snmpv3 md5/sha1, tested with real hashes

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This commit is contained in:
Gabriele Gristina 2021-07-26 19:04:30 +02:00
parent 7f419c68af
commit 45fce5d3a3
6 changed files with 41 additions and 40 deletions
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4
OpenCL/m25100-pure.cl
View File

@ -18,8 +18,8 @@
#define COMPARE_M "inc_comp_multi.cl"
#define SNMPV3_SALT_MAX 1500
#define SNMPV3_ENGINEID_MAX 32
#define SNMPV3_MSG_AUTH_PARAMS_MAX 12
#define SNMPV3_ENGINEID_MAX 34
#define SNMPV3_MSG_AUTH_PARAMS_LEN 12
#define SNMPV3_ROUNDS 1048576
#define SNMPV3_MAX_PW_LENGTH 64

16
OpenCL/m25200-pure.cl
View File

@ -18,13 +18,17 @@
#define COMPARE_M "inc_comp_multi.cl"
#define SNMPV3_SALT_MAX 1500
#define SNMPV3_ENGINEID_MAX 32
#define SNMPV3_MSG_AUTH_PARAMS_MAX 12
#define SNMPV3_ENGINEID_MAX 34
#define SNMPV3_MSG_AUTH_PARAMS_LEN 12
#define SNMPV3_ROUNDS 1048576
#define SNMPV3_MAX_PW_LENGTH 64
#define SNMPV3_TMP_ELEMS 4096 // 4096 = (256 (max pw length) * 64) / sizeof (u32)
#define SNMPV3_HASH_ELEMS 8 // 8 = aligned 5
#define SNMPV3_TMP_ELEMS 4096 // 4096 = (256 (max pw length) * 64) / sizeof (u32)
#define SNMPV3_HASH_ELEMS 8 // 8 = aligned 5
#define SNMPV3_MAX_SALT_ELEMS 512 // 512 * 4 = 2048 > 1500, also has to be multiple of 64
#define SNMPV3_MAX_ENGINE_ELEMS 16 // 16 * 4 = 64 > 32, also has to be multiple of 64
#define SNMPV3_MAX_PNUM_ELEMS 4 // 4 * 4 = 16 > 9
typedef struct hmac_sha1_tmp
{
@ -33,10 +37,6 @@ typedef struct hmac_sha1_tmp
} hmac_sha1_tmp_t;
#define SNMPV3_MAX_SALT_ELEMS 512 // 512 * 4 = 2048 > 1500, also has to be multiple of 64
#define SNMPV3_MAX_ENGINE_ELEMS 16 // 16 * 4 = 64 > 32, also has to be multiple of 64
#define SNMPV3_MAX_PNUM_ELEMS 4 // 4 * 4 = 16 > 9
typedef struct snmpv3
{
u32 salt_buf[SNMPV3_MAX_SALT_ELEMS];

20
src/modules/module_25100.c
View File

@ -24,8 +24,8 @@ static const u64 KERN_TYPE = 25100;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
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 = "$SNMPv3$1$76$3081b10201033011020430f6f3d5020300ffe304010702010304373035040d80001f888059dc486145a2632202010802020ab90405706970706f040c00000000000000000000000004080000000103d5321a0460826ecf6443956d4c364bfc6f6ffc8ee0df000ffd0955af12d2c0f3c60fadea417d2bb80c0b2c1fa7a46ce44f9f16e15ee830a49881f60ecfa757d2f04000eb39a94058121d88ca20eeef4e6bf06784c67c15f144915d9bc2c6a0461da92a4abe$80001f888059dc486145a26322$c51ba677ad96869c1cb32196";
static const char *ST_PASS = "hashcat1";
static const char *ST_HASH = "$SNMPv3$1$45889431$30818f0201033011020409242fc0020300ffe304010102010304383036041180001f88808106d566db57fd600000000002011002020118040a6d61747269785f4d4435040c0000000000000000000000000400303d041180001f88808106d566db57fd60000000000400a226020411f319300201000201003018301606082b06010201010200060a2b06010401bf0803020a$80001f88808106d566db57fd6000000000$1b37c3ea872731f922959e90";
u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; }
u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; }
@ -45,8 +45,8 @@ const char *module_st_pass (MAYBE_UNUSED const hashconfig_t *hashconfig,
static const char *SIGNATURE_SNMPV3 = "$SNMPv3$1$";
#define SNMPV3_SALT_MAX 1500
#define SNMPV3_ENGINEID_MAX 32
#define SNMPV3_MSG_AUTH_PARAMS_MAX 12
#define SNMPV3_ENGINEID_MAX 34
#define SNMPV3_MSG_AUTH_PARAMS_LEN 12
#define SNMPV3_ROUNDS 1048576
#define SNMPV3_MAX_PW_LENGTH 64
@ -130,23 +130,23 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// salt
token.len_min[2] = 12 * 2;
token.len_min[2] = SNMPV3_MSG_AUTH_PARAMS_LEN * 2;
token.len_max[2] = SNMPV3_SALT_MAX * 2;
token.sep[2] = '$';
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// engineid
token.len_min[3] = 5;
token.len_min[3] = 26;
token.len_max[3] = SNMPV3_ENGINEID_MAX;
token.sep[3] = '$';
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH;
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// digest
token.len_min[4] = SNMPV3_MSG_AUTH_PARAMS_MAX * 2;
token.len_max[4] = SNMPV3_MSG_AUTH_PARAMS_MAX * 2;
token.len[4] = SNMPV3_MSG_AUTH_PARAMS_LEN * 2;
token.sep[4] = '$';
token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH
token.attr[4] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);

27
src/modules/module_25200.c
View File

@ -24,8 +24,8 @@ static const u64 KERN_TYPE = 25200;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
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 = "$SNMPv3$2$66763052$13981919518623358902340156831753173612320956749283824166083320737667668557830898783481876963136410266762758410322896320705075044221495960812100760230106803899899467077793703068392752686845035561487927252457444567685389901239388468830507087105054207914325254376053788152029716918450770264047103676562621965276752797029332926039166807829108367446173251908238116020942421323633620301312478670302264165059728208402342845743839533979473825394866704960428648622730299023225638967097578710279784722583947877561544154219162080289188160001741612377820114739093961409809862173307722539556954826052612794054060797358016549602977742745078911393042420821004243620362464971828700104979572910001640083882586179153483503492341163054930853321963503411228241996417991605003371264529827508426941919673592574025732354318435733211018917539824570724324796232199960952117561108106623865308577977944499366806697863259301760429786001824121720055893438673268643594146796410437039466462606490272723136671298529920486664067752007564122205089571790718437001200506203464426405927405102300269665189637001279369690218157456566218400534722049383049029139069701182053729830585217732347396312967325628046845068493719801191260136945971516486442056102815519090214442808707545803919529217103430588641187558031052830941742920355893755319896626873275796534820394248837050567688575113833311009595128372820474678989203565094681918285106102363272728922586582037066265522397748326630668375500179630717875844561081542915676557961288028298248995547031274515608973804660067065502484039882958958452781062725550260382637592283691962996228392332833626159043179186189904614052189303508782635840692436969244901198720814518$79f7b1$57e964c7cb117647004cf132";
static const char *ST_PASS = "hashcat1";
static const char *ST_HASH = "$SNMPv3$2$45889431$30818f02010330110204371780f3020300ffe304010102010304383036041180001f88808106d566db57fd600000000002011002020118040a6d61747269785f534841040c0000000000000000000000000400303d041180001f88808106d566db57fd60000000000400a2260204073557d50201000201003018301606082b06010201010200060a2b06010401bf0803020a$80001f88808106d566db57fd6000000000$81f14f1930589f26f6755f6b";
u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; }
u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; }
@ -45,8 +45,8 @@ const char *module_st_pass (MAYBE_UNUSED const hashconfig_t *hashconfig,
static const char *SIGNATURE_SNMPV3 = "$SNMPv3$2$";
#define SNMPV3_SALT_MAX 1500
#define SNMPV3_ENGINEID_MAX 32
#define SNMPV3_MSG_AUTH_PARAMS_MAX 12
#define SNMPV3_ENGINEID_MAX 34
#define SNMPV3_MSG_AUTH_PARAMS_LEN 12
#define SNMPV3_ROUNDS 1048576
#define SNMPV3_MAX_PW_LENGTH 64
@ -130,23 +130,23 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// salt
token.len_min[2] = 12 * 2;
token.len_min[2] = SNMPV3_MSG_AUTH_PARAMS_LEN * 2;
token.len_max[2] = SNMPV3_SALT_MAX * 2;
token.sep[2] = '$';
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// engineid
token.len_min[3] = 5;
token.len_min[3] = 26;
token.len_max[3] = SNMPV3_ENGINEID_MAX;
token.sep[3] = '$';
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH;
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// digest
token.len_min[4] = SNMPV3_MSG_AUTH_PARAMS_MAX * 2;
token.len_max[4] = SNMPV3_MSG_AUTH_PARAMS_MAX * 2;
token.len[4] = SNMPV3_MSG_AUTH_PARAMS_LEN * 2;
token.sep[4] = '$';
token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH
token.attr[4] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
@ -183,10 +183,10 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
// store sha1(snmpv3->salt_buf) in salt_buf
memcpy (salt->salt_buf, sha1_ctx.h, 20);
salt->salt_len = 20;
memcpy (salt->salt_buf, sha1_ctx.h, salt->salt_len);
// engineid
const u8 *engineID_pos = token.buf[3];
@ -203,12 +203,13 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
digest[0] = hex_to_u32 (hash_pos + 0);
digest[1] = hex_to_u32 (hash_pos + 8);
digest[2] = hex_to_u32 (hash_pos + 16);
digest[3] = 0;
digest[0] = byte_swap_32 (digest[0]);
digest[1] = byte_swap_32 (digest[1]);
digest[2] = byte_swap_32 (digest[2]);
digest[3] = 0;
return (PARSER_OK);
}

8
tools/test_modules/m25100.pm
View File

@ -11,14 +11,14 @@ use warnings;
use Digest::MD5 qw (md5 md5_hex);
use Digest::HMAC qw (hmac hmac_hex);
sub module_constraints { [[1, 256], [24, 3000], [-1, -1], [-1, -1], [-1, -1]] }
sub module_constraints { [[8, 256], [24, 3000], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $pkt_num = shift // int(rand(99999999));
my $engineID = shift // random_hex_string(6);
my $pkt_num = shift // int(rand(100000000));
my $engineID = shift // random_hex_string(26, 34);
# make even if needed
@ -71,7 +71,7 @@ sub module_verify_hash
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, $salt, $pkt_num, $engineID); #, $digest);
my $new_hash = module_generate_hash ($word_packed, $salt, $pkt_num, $engineID);
return ($new_hash, $word);
}

6
tools/test_modules/m25200.pm
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@ -11,14 +11,14 @@ use warnings;
use Digest::SHA qw (sha1 sha1_hex);
use Digest::HMAC qw (hmac hmac_hex);
sub module_constraints { [[1, 256], [24, 3000], [-1, -1], [-1, -1], [-1, -1]] }
sub module_constraints { [[8, 256], [24, 3000], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $pkt_num = shift // int(rand(99999999));
my $engineID = shift // random_hex_string(6);
my $pkt_num = shift // int(rand(100000000));
my $engineID = shift // random_hex_string(26, 34);
# make even if needed