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fix to crack real hashes

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This commit is contained in:
Gabriele Gristina 2021-07-26 23:00:33 +02:00
parent 58bb2b69b4
commit d711c593de
3 changed files with 27 additions and 20 deletions
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6
OpenCL/m26800-pure.cl
View File

@ -18,7 +18,7 @@
#define COMPARE_M "inc_comp_multi.cl"
#define SNMPV3_SALT_MAX 1500
#define SNMPV3_ENGINEID_MAX 32
#define SNMPV3_ENGINEID_MAX 34
#define SNMPV3_MSG_AUTH_PARAMS_MAX 24
#define SNMPV3_ROUNDS 1048576
#define SNMPV3_MAX_PW_LENGTH 64
@ -158,10 +158,10 @@ KERNEL_FQ void m26800_loop (KERN_ATTR_TMPS_ESALT (hmac_sha256_tmp_t, snmpv3_t))
#define SNMPV3_TMP_ELEMS_OPT 1024 // 1024 = (64 max pw length * 64) / sizeof (u32)
// for pw length > 64 we use global memory reads
u32 tmp[SNMPV3_TMP_ELEMS_OPT];
if (pw_len < 64)
{
u32 tmp[SNMPV3_TMP_ELEMS_OPT];
for (int i = 0; i < pw_len64 / 4; i++)
{
tmp[i] = tmps[gid].tmp[i];

35
src/modules/module_26800.c
View File

@ -24,8 +24,8 @@ static const u64 KERN_TYPE = 26800;
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$4$45889431$7585276599737564090383620785875362679570918402799211895350192983610621799047885344685052349746498170004419679809998081225537660774711595828022661503055854170724959205864916200803943987403894797803763481363727292279225961510615959487947720856537753019855530297295056779122144350124168183779842820374286984757533892647079640573333153143396873669433866800344639810381298050168882378150279566459307666090519521322815302807234891775832544445039651641425655552560443188806182642324260074431487445313192652657250751370429453104201042515913762789378530433301986580350004818693362476848691871673675659445549903680506046990324666901673291971652166488315974132495137618778248693199870322191689838829962702758419523119691721384156190269307593610430479672423773038949589918013851098014826303025169209691104391100698448756709167376495619227358406074004239019720054426442537351811110592798309899798157050114783730510485144587168960689222637040407284798304089491802615462370291323816279667792138184578665760500558880678181062362046229800381787440035656017470040087753144990921393458116599087055670067264879913812409968391970564185904377677084151443486003356616003528495750605129080488541279404701230256406769537633540790538993840001994448667033186814369838617950258925646831255009214425619864849786889274339803369923741038433445561276156132523400238192914216432204256425467734206133901586319913209169130225239005197164649118976947815053973991620162266974447853858458256357645692359369654447975747053244194895693264221530053171833268878231470099223799325721243415613411630825573731881407172997796505669046572568259071354047006445465146935309155702401448180827618102265276619554321281052975592010657285138946619551041266741457855926885313703662453134087502628246081150904608404970922549555759053744598264595885136892607797491556352245712414920090723217166690761677377687465170467631650187720861675760594906517486491314827635367948111347039584630077862097594777930458637889773296564015874734165862197875708654799960975367561065172801085838166681751675400275453999727992053489914032314886557511524110138141979947589094776031663264570900816201631633824654762248248805668317229291634483443458068978054635356784996769204180557000130172957152232863885190742315631622924490109766525818157610765334992830472354779514002105972270348518900692627110569460386663373886093497721570793034577661081462364460595701381729848934496026709342082328056794518778135826722253064384012917235631760724232491981271285825679491501595672776041021574940931247613127644522568100929407514262962178762077109203680576767235733058$8f58b2$5f38e6b85a1921eb118de1bcd1d8673848a657753ba97615";
static const char *ST_PASS = "hashcat1";
static const char *ST_HASH = "$SNMPv3$4$45889431$30819f020103301102047fc51818020300ffe304010102010304483046041180001f88808106d566db57fd600000000002011002020118040e6d61747269785f5348412d32353604180000000000000000000000000000000000000000000000000400303d041180001f88808106d566db57fd60000000000400a22602040efec2600201000201003018301606082b06010201010200060a2b06010401bf0803020a$80001f88808106d566db57fd6000000000$36d655bfeb59e933845db47d719b68ac7bc59ec087eb89a0";
u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; }
u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; }
@ -45,8 +45,8 @@ const char *module_st_pass (MAYBE_UNUSED const hashconfig_t *hashconfig,
static const char *SIGNATURE_SNMPV3 = "$SNMPv3$4$";
#define SNMPV3_SALT_MAX 1500
#define SNMPV3_ENGINEID_MAX 32
#define SNMPV3_MSG_AUTH_PARAMS_MAX 24
#define SNMPV3_ENGINEID_MAX 34
#define SNMPV3_MSG_AUTH_PARAMS_LEN 24
#define SNMPV3_ROUNDS 1048576
#define SNMPV3_MAX_PW_LENGTH 64
@ -57,12 +57,12 @@ static const char *SIGNATURE_SNMPV3 = "$SNMPv3$4$";
#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_sha224_tmp
typedef struct hmac_sha256_tmp
{
u32 tmp[SNMPV3_TMP_ELEMS];
u32 h[SNMPV3_HASH_ELEMS];
} hmac_sha224_tmp_t;
} hmac_sha256_tmp_t;
typedef struct snmpv3
{
@ -76,6 +76,13 @@ typedef struct snmpv3
} snmpv3_t;
u32 module_pw_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)
{
const u32 pw_min = 8;
return pw_min;
}
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 (snmpv3_t);
@ -85,7 +92,7 @@ u64 module_esalt_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED
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)
{
const u64 tmp_size = (const u64) sizeof (hmac_sha224_tmp_t);
const u64 tmp_size = (const u64) sizeof (hmac_sha256_tmp_t);
return tmp_size;
}
@ -130,23 +137,23 @@ 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] = 24 * 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);
@ -324,7 +331,7 @@ void module_init (module_ctx_t *module_ctx)
module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
module_ctx->module_pwdump_column = MODULE_DEFAULT;
module_ctx->module_pw_max = MODULE_DEFAULT;
module_ctx->module_pw_min = MODULE_DEFAULT;
module_ctx->module_pw_min = module_pw_min;
module_ctx->module_salt_max = MODULE_DEFAULT;
module_ctx->module_salt_min = MODULE_DEFAULT;
module_ctx->module_salt_type = module_salt_type;

6
tools/test_modules/m26800.pm
View File

@ -11,14 +11,14 @@ use warnings;
use Digest::SHA qw (sha256 sha256_hex);
use Digest::HMAC qw (hmac hmac_hex);
sub module_constraints { [[1, 256], [48, 3000], [-1, -1], [-1, -1], [-1, -1]] }
sub module_constraints { [[8, 256], [48, 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