mirror of https://github.com/OISF/suricata
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
470 lines
19 KiB
C
470 lines
19 KiB
C
/* Copyright (C) 2017 Open Information Security Foundation
|
|
*
|
|
* You can copy, redistribute or modify this Program under the terms of
|
|
* the GNU General Public License version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* version 2 along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
*
|
|
* \author Mats Klepsland <mats.klepsland@gmail.com>
|
|
*
|
|
* Implements support for tls_cert_serial keyword.
|
|
*/
|
|
|
|
#include "suricata-common.h"
|
|
#include "threads.h"
|
|
#include "debug.h"
|
|
#include "decode.h"
|
|
#include "detect.h"
|
|
|
|
#include "detect-parse.h"
|
|
#include "detect-engine.h"
|
|
#include "detect-engine-mpm.h"
|
|
#include "detect-engine-tls.h"
|
|
#include "detect-content.h"
|
|
#include "detect-pcre.h"
|
|
|
|
#include "flow.h"
|
|
#include "flow-util.h"
|
|
#include "flow-var.h"
|
|
|
|
#include "util-debug.h"
|
|
#include "util-unittest.h"
|
|
#include "util-spm.h"
|
|
#include "util-print.h"
|
|
|
|
#include "stream-tcp.h"
|
|
|
|
#include "app-layer.h"
|
|
#include "app-layer-ssl.h"
|
|
#include "detect-tls-cert-serial.h"
|
|
|
|
#include "util-unittest.h"
|
|
#include "util-unittest-helper.h"
|
|
|
|
static int DetectTlsSerialSetup(DetectEngineCtx *, Signature *, const char *);
|
|
static void DetectTlsSerialRegisterTests(void);
|
|
static int g_tls_cert_serial_buffer_id = 0;
|
|
|
|
/**
|
|
* \brief Registration function for keyword: tls_cert_serial
|
|
*/
|
|
void DetectTlsSerialRegister(void)
|
|
{
|
|
sigmatch_table[DETECT_AL_TLS_CERT_SERIAL].name = "tls_cert_serial";
|
|
sigmatch_table[DETECT_AL_TLS_CERT_SERIAL].desc = "content modifier to match the TLS cert serial buffer";
|
|
sigmatch_table[DETECT_AL_TLS_CERT_SERIAL].url = DOC_URL DOC_VERSION "/rules/tls-keywords.html#tls-cert-serial";
|
|
sigmatch_table[DETECT_AL_TLS_CERT_SERIAL].Match = NULL;
|
|
sigmatch_table[DETECT_AL_TLS_CERT_SERIAL].Setup = DetectTlsSerialSetup;
|
|
sigmatch_table[DETECT_AL_TLS_CERT_SERIAL].Free = NULL;
|
|
sigmatch_table[DETECT_AL_TLS_CERT_SERIAL].RegisterTests = DetectTlsSerialRegisterTests;
|
|
|
|
sigmatch_table[DETECT_AL_TLS_CERT_SERIAL].flags |= SIGMATCH_NOOPT;
|
|
|
|
DetectAppLayerMpmRegister("tls_cert_serial", SIG_FLAG_TOCLIENT, 2,
|
|
PrefilterTxTlsSerialRegister);
|
|
|
|
DetectAppLayerInspectEngineRegister("tls_cert_serial", ALPROTO_TLS,
|
|
SIG_FLAG_TOCLIENT, TLS_STATE_CERT_READY,
|
|
DetectEngineInspectTlsSerial);
|
|
|
|
g_tls_cert_serial_buffer_id = DetectBufferTypeGetByName("tls_cert_serial");
|
|
}
|
|
|
|
/**
|
|
* \brief this function setup the tls_cert_serial modifier keyword used in the rule
|
|
*
|
|
* \param de_ctx Pointer to the Detection Engine Context
|
|
* \param s Pointer to the Signature to which the current keyword belongs
|
|
* \param str Should hold an empty string always
|
|
*
|
|
* \retval 0 On success
|
|
*/
|
|
static int DetectTlsSerialSetup(DetectEngineCtx *de_ctx, Signature *s, const char *str)
|
|
{
|
|
s->init_data->list = g_tls_cert_serial_buffer_id;
|
|
|
|
if (DetectSignatureSetAppProto(s, ALPROTO_TLS) != 0)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef UNITTESTS
|
|
|
|
/**
|
|
* \test Test that a signature containing tls_cert_serial is correctly parsed
|
|
* and that the keyword is registered.
|
|
*/
|
|
static int DetectTlsSerialTest01(void)
|
|
{
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
SigMatch *sm = NULL;
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
FAIL_IF_NULL(de_ctx);
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
de_ctx->sig_list = SigInit(de_ctx, "alert tls any any -> any any "
|
|
"(msg:\"Testing tls_cert_serial\"; "
|
|
"tls_cert_serial; content:\"XX:XX:XX\"; sid:1;)");
|
|
FAIL_IF_NULL(de_ctx->sig_list);
|
|
|
|
/* sm should not be in the MATCH list */
|
|
sm = de_ctx->sig_list->sm_lists[DETECT_SM_LIST_MATCH];
|
|
FAIL_IF_NOT_NULL(sm);
|
|
|
|
sm = de_ctx->sig_list->sm_lists[g_tls_cert_serial_buffer_id];
|
|
FAIL_IF_NULL(sm);
|
|
|
|
FAIL_IF(sm->type != DETECT_CONTENT);
|
|
FAIL_IF_NOT_NULL(sm->next);
|
|
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
PASS;
|
|
}
|
|
|
|
/**
|
|
* \test Test matching for serial in a certificate.
|
|
*/
|
|
static int DetectTlsSerialTest02(void)
|
|
{
|
|
/* client hello */
|
|
uint8_t client_hello[] = {
|
|
0x16, 0x03, 0x01, 0x00, 0xc8, 0x01, 0x00, 0x00,
|
|
0xc4, 0x03, 0x03, 0xd6, 0x08, 0x5a, 0xa2, 0x86,
|
|
0x5b, 0x85, 0xd4, 0x40, 0xab, 0xbe, 0xc0, 0xbc,
|
|
0x41, 0xf2, 0x26, 0xf0, 0xfe, 0x21, 0xee, 0x8b,
|
|
0x4c, 0x7e, 0x07, 0xc8, 0xec, 0xd2, 0x00, 0x46,
|
|
0x4c, 0xeb, 0xb7, 0x00, 0x00, 0x16, 0xc0, 0x2b,
|
|
0xc0, 0x2f, 0xc0, 0x0a, 0xc0, 0x09, 0xc0, 0x13,
|
|
0xc0, 0x14, 0x00, 0x33, 0x00, 0x39, 0x00, 0x2f,
|
|
0x00, 0x35, 0x00, 0x0a, 0x01, 0x00, 0x00, 0x85,
|
|
0x00, 0x00, 0x00, 0x12, 0x00, 0x10, 0x00, 0x00,
|
|
0x0d, 0x77, 0x77, 0x77, 0x2e, 0x67, 0x6f, 0x6f,
|
|
0x67, 0x6c, 0x65, 0x2e, 0x6e, 0x6f, 0xff, 0x01,
|
|
0x00, 0x01, 0x00, 0x00, 0x0a, 0x00, 0x08, 0x00,
|
|
0x06, 0x00, 0x17, 0x00, 0x18, 0x00, 0x19, 0x00,
|
|
0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x23, 0x00,
|
|
0x00, 0x33, 0x74, 0x00, 0x00, 0x00, 0x10, 0x00,
|
|
0x29, 0x00, 0x27, 0x05, 0x68, 0x32, 0x2d, 0x31,
|
|
0x36, 0x05, 0x68, 0x32, 0x2d, 0x31, 0x35, 0x05,
|
|
0x68, 0x32, 0x2d, 0x31, 0x34, 0x02, 0x68, 0x32,
|
|
0x08, 0x73, 0x70, 0x64, 0x79, 0x2f, 0x33, 0x2e,
|
|
0x31, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x31,
|
|
0x2e, 0x31, 0x00, 0x05, 0x00, 0x05, 0x01, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x16, 0x00,
|
|
0x14, 0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02,
|
|
0x01, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x02,
|
|
0x03, 0x04, 0x02, 0x02, 0x02
|
|
};
|
|
|
|
/* server hello */
|
|
uint8_t server_hello[] = {
|
|
0x16, 0x03, 0x03, 0x00, 0x48, 0x02, 0x00, 0x00,
|
|
0x44, 0x03, 0x03, 0x57, 0x91, 0xb8, 0x63, 0xdd,
|
|
0xdb, 0xbb, 0x23, 0xcf, 0x0b, 0x43, 0x02, 0x1d,
|
|
0x46, 0x11, 0x27, 0x5c, 0x98, 0xcf, 0x67, 0xe1,
|
|
0x94, 0x3d, 0x62, 0x7d, 0x38, 0x48, 0x21, 0x23,
|
|
0xa5, 0x62, 0x31, 0x00, 0xc0, 0x2f, 0x00, 0x00,
|
|
0x1c, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x10,
|
|
0x00, 0x05, 0x00, 0x03, 0x02, 0x68, 0x32, 0x00,
|
|
0x0b, 0x00, 0x02, 0x01, 0x00
|
|
};
|
|
|
|
/* certificate */
|
|
uint8_t certificate[] = {
|
|
0x16, 0x03, 0x03, 0x04, 0x93, 0x0b, 0x00, 0x04,
|
|
0x8f, 0x00, 0x04, 0x8c, 0x00, 0x04, 0x89, 0x30,
|
|
0x82, 0x04, 0x85, 0x30, 0x82, 0x03, 0x6d, 0xa0,
|
|
0x03, 0x02, 0x01, 0x02, 0x02, 0x08, 0x5c, 0x19,
|
|
0xb7, 0xb1, 0x32, 0x3b, 0x1c, 0xa1, 0x30, 0x0d,
|
|
0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
|
|
0x01, 0x01, 0x0b, 0x05, 0x00, 0x30, 0x49, 0x31,
|
|
0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06,
|
|
0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11,
|
|
0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0a, 0x47,
|
|
0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e,
|
|
0x63, 0x31, 0x25, 0x30, 0x23, 0x06, 0x03, 0x55,
|
|
0x04, 0x03, 0x13, 0x1c, 0x47, 0x6f, 0x6f, 0x67,
|
|
0x6c, 0x65, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72,
|
|
0x6e, 0x65, 0x74, 0x20, 0x41, 0x75, 0x74, 0x68,
|
|
0x6f, 0x72, 0x69, 0x74, 0x79, 0x20, 0x47, 0x32,
|
|
0x30, 0x1e, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x37,
|
|
0x31, 0x33, 0x31, 0x33, 0x32, 0x34, 0x35, 0x32,
|
|
0x5a, 0x17, 0x0d, 0x31, 0x36, 0x31, 0x30, 0x30,
|
|
0x35, 0x31, 0x33, 0x31, 0x36, 0x30, 0x30, 0x5a,
|
|
0x30, 0x65, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
|
|
0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31,
|
|
0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08,
|
|
0x0c, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f,
|
|
0x72, 0x6e, 0x69, 0x61, 0x31, 0x16, 0x30, 0x14,
|
|
0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x4d,
|
|
0x6f, 0x75, 0x6e, 0x74, 0x61, 0x69, 0x6e, 0x20,
|
|
0x56, 0x69, 0x65, 0x77, 0x31, 0x13, 0x30, 0x11,
|
|
0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x0a, 0x47,
|
|
0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e,
|
|
0x63, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55,
|
|
0x04, 0x03, 0x0c, 0x0b, 0x2a, 0x2e, 0x67, 0x6f,
|
|
0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x6e, 0x6f, 0x30,
|
|
0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a,
|
|
0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01,
|
|
0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30,
|
|
0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00,
|
|
0xa5, 0x0a, 0xb9, 0xb1, 0xca, 0x36, 0xd1, 0xae,
|
|
0x22, 0x38, 0x07, 0x06, 0xc9, 0x1a, 0x56, 0x4f,
|
|
0xbb, 0xdf, 0xa8, 0x6d, 0xbd, 0xee, 0x76, 0x16,
|
|
0xbc, 0x53, 0x3c, 0x03, 0x6a, 0x5c, 0x94, 0x50,
|
|
0x87, 0x2f, 0x28, 0xb4, 0x4e, 0xd5, 0x9b, 0x8f,
|
|
0xfe, 0x02, 0xde, 0x2a, 0x83, 0x01, 0xf9, 0x45,
|
|
0x61, 0x0e, 0x66, 0x0e, 0x24, 0x22, 0xe2, 0x59,
|
|
0x66, 0x0d, 0xd3, 0xe9, 0x77, 0x8a, 0x7e, 0x42,
|
|
0xaa, 0x5a, 0xf9, 0x05, 0xbf, 0x30, 0xc7, 0x03,
|
|
0x2b, 0xdc, 0xa6, 0x9c, 0xe0, 0x9f, 0x0d, 0xf1,
|
|
0x28, 0x19, 0xf8, 0xf2, 0x02, 0xfa, 0xbd, 0x62,
|
|
0xa0, 0xf3, 0x02, 0x2b, 0xcd, 0xf7, 0x09, 0x04,
|
|
0x3b, 0x52, 0xd8, 0x65, 0x4b, 0x4a, 0x70, 0xe4,
|
|
0x57, 0xc9, 0x2e, 0x2a, 0xf6, 0x9c, 0x6e, 0xd8,
|
|
0xde, 0x01, 0x52, 0xc9, 0x6f, 0xe9, 0xef, 0x82,
|
|
0xbc, 0x0b, 0x95, 0xb2, 0xef, 0xcb, 0x91, 0xa6,
|
|
0x0b, 0x2d, 0x14, 0xc6, 0x00, 0xa9, 0x33, 0x86,
|
|
0x64, 0x00, 0xd4, 0x92, 0x19, 0x53, 0x3d, 0xfd,
|
|
0xcd, 0xc6, 0x1a, 0xf2, 0x0e, 0x67, 0xc2, 0x1d,
|
|
0x2c, 0xe0, 0xe8, 0x29, 0x97, 0x1c, 0xb6, 0xc4,
|
|
0xb2, 0x02, 0x0c, 0x83, 0xb8, 0x60, 0x61, 0xf5,
|
|
0x61, 0x2d, 0x73, 0x5e, 0x85, 0x4d, 0xbd, 0x0d,
|
|
0xe7, 0x1a, 0x37, 0x56, 0x8d, 0xe5, 0x50, 0x0c,
|
|
0xc9, 0x64, 0x4c, 0x11, 0xea, 0xf3, 0xcb, 0x26,
|
|
0x34, 0xbd, 0x02, 0xf5, 0xc1, 0xfb, 0xa2, 0xec,
|
|
0x27, 0xbb, 0x60, 0xbe, 0x0b, 0xf6, 0xe7, 0x3c,
|
|
0x2d, 0xc9, 0xe7, 0xb0, 0x30, 0x28, 0x17, 0x3d,
|
|
0x90, 0xf1, 0x63, 0x8e, 0x49, 0xf7, 0x15, 0x78,
|
|
0x21, 0xcc, 0x45, 0xe6, 0x86, 0xb2, 0xd8, 0xb0,
|
|
0x2e, 0x5a, 0xb0, 0x58, 0xd3, 0xb6, 0x11, 0x40,
|
|
0xae, 0x81, 0x1f, 0x6b, 0x7a, 0xaf, 0x40, 0x50,
|
|
0xf9, 0x2e, 0x81, 0x8b, 0xec, 0x26, 0x11, 0x3f,
|
|
0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x82, 0x01,
|
|
0x53, 0x30, 0x82, 0x01, 0x4f, 0x30, 0x1d, 0x06,
|
|
0x03, 0x55, 0x1d, 0x25, 0x04, 0x16, 0x30, 0x14,
|
|
0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07,
|
|
0x03, 0x01, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05,
|
|
0x05, 0x07, 0x03, 0x02, 0x30, 0x21, 0x06, 0x03,
|
|
0x55, 0x1d, 0x11, 0x04, 0x1a, 0x30, 0x18, 0x82,
|
|
0x0b, 0x2a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
|
|
0x65, 0x2e, 0x6e, 0x6f, 0x82, 0x09, 0x67, 0x6f,
|
|
0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x6e, 0x6f, 0x30,
|
|
0x68, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05,
|
|
0x07, 0x01, 0x01, 0x04, 0x5c, 0x30, 0x5a, 0x30,
|
|
0x2b, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05,
|
|
0x07, 0x30, 0x02, 0x86, 0x1f, 0x68, 0x74, 0x74,
|
|
0x70, 0x3a, 0x2f, 0x2f, 0x70, 0x6b, 0x69, 0x2e,
|
|
0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63,
|
|
0x6f, 0x6d, 0x2f, 0x47, 0x49, 0x41, 0x47, 0x32,
|
|
0x2e, 0x63, 0x72, 0x74, 0x30, 0x2b, 0x06, 0x08,
|
|
0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x30, 0x01,
|
|
0x86, 0x1f, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f,
|
|
0x2f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73,
|
|
0x31, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65,
|
|
0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6f, 0x63, 0x73,
|
|
0x70, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e,
|
|
0x04, 0x16, 0x04, 0x14, 0xc6, 0x53, 0x87, 0x42,
|
|
0x2d, 0xc8, 0xee, 0x7a, 0x62, 0x1e, 0x83, 0xdb,
|
|
0x0d, 0xe2, 0x32, 0xeb, 0x8b, 0xaf, 0x69, 0x40,
|
|
0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01,
|
|
0x01, 0xff, 0x04, 0x02, 0x30, 0x00, 0x30, 0x1f,
|
|
0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30,
|
|
0x16, 0x80, 0x14, 0x4a, 0xdd, 0x06, 0x16, 0x1b,
|
|
0xbc, 0xf6, 0x68, 0xb5, 0x76, 0xf5, 0x81, 0xb6,
|
|
0xbb, 0x62, 0x1a, 0xba, 0x5a, 0x81, 0x2f, 0x30,
|
|
0x21, 0x06, 0x03, 0x55, 0x1d, 0x20, 0x04, 0x1a,
|
|
0x30, 0x18, 0x30, 0x0c, 0x06, 0x0a, 0x2b, 0x06,
|
|
0x01, 0x04, 0x01, 0xd6, 0x79, 0x02, 0x05, 0x01,
|
|
0x30, 0x08, 0x06, 0x06, 0x67, 0x81, 0x0c, 0x01,
|
|
0x02, 0x02, 0x30, 0x30, 0x06, 0x03, 0x55, 0x1d,
|
|
0x1f, 0x04, 0x29, 0x30, 0x27, 0x30, 0x25, 0xa0,
|
|
0x23, 0xa0, 0x21, 0x86, 0x1f, 0x68, 0x74, 0x74,
|
|
0x70, 0x3a, 0x2f, 0x2f, 0x70, 0x6b, 0x69, 0x2e,
|
|
0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63,
|
|
0x6f, 0x6d, 0x2f, 0x47, 0x49, 0x41, 0x47, 0x32,
|
|
0x2e, 0x63, 0x72, 0x6c, 0x30, 0x0d, 0x06, 0x09,
|
|
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
|
|
0x0b, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00,
|
|
0x7b, 0x27, 0x00, 0x46, 0x8f, 0xfd, 0x5b, 0xff,
|
|
0xcb, 0x05, 0x9b, 0xf7, 0xf1, 0x68, 0xf6, 0x9a,
|
|
0x7b, 0xba, 0x53, 0xdf, 0x63, 0xed, 0x11, 0x94,
|
|
0x39, 0xf2, 0xd0, 0x20, 0xcd, 0xa3, 0xc4, 0x98,
|
|
0xa5, 0x10, 0x74, 0xe7, 0x10, 0x6d, 0x07, 0xf8,
|
|
0x33, 0x87, 0x05, 0x43, 0x0e, 0x64, 0x77, 0x09,
|
|
0x18, 0x4f, 0x38, 0x2e, 0x45, 0xae, 0xa8, 0x34,
|
|
0x3a, 0xa8, 0x33, 0xac, 0x9d, 0xdd, 0x25, 0x91,
|
|
0x59, 0x43, 0xbe, 0x0f, 0x87, 0x16, 0x2f, 0xb5,
|
|
0x27, 0xfd, 0xce, 0x2f, 0x35, 0x5d, 0x12, 0xa1,
|
|
0x66, 0xac, 0xf7, 0x95, 0x38, 0x0f, 0xe5, 0xb1,
|
|
0x18, 0x18, 0xe6, 0x80, 0x52, 0x31, 0x8a, 0x66,
|
|
0x02, 0x52, 0x1a, 0xa4, 0x32, 0x6a, 0x61, 0x05,
|
|
0xcf, 0x1d, 0xf9, 0x90, 0x73, 0xf0, 0xeb, 0x20,
|
|
0x31, 0x7b, 0x2e, 0xc0, 0xb0, 0xfb, 0x5c, 0xcc,
|
|
0xdc, 0x76, 0x55, 0x72, 0xaf, 0xb1, 0x05, 0xf4,
|
|
0xad, 0xf9, 0xd7, 0x73, 0x5c, 0x2c, 0xbf, 0x0d,
|
|
0x84, 0x18, 0x01, 0x1d, 0x4d, 0x08, 0xa9, 0x4e,
|
|
0x37, 0xb7, 0x58, 0xc4, 0x05, 0x0e, 0x65, 0x63,
|
|
0xd2, 0x88, 0x02, 0xf5, 0x82, 0x17, 0x08, 0xd5,
|
|
0x8f, 0x80, 0xc7, 0x82, 0x29, 0xbb, 0xe1, 0x04,
|
|
0xbe, 0xf6, 0xe1, 0x8c, 0xbc, 0x3a, 0xf8, 0xf9,
|
|
0x56, 0xda, 0xdc, 0x8e, 0xc6, 0xe6, 0x63, 0x98,
|
|
0x12, 0x08, 0x41, 0x2c, 0x9d, 0x7c, 0x82, 0x0d,
|
|
0x1e, 0xea, 0xba, 0xde, 0x32, 0x09, 0xda, 0x52,
|
|
0x24, 0x4f, 0xcc, 0xb6, 0x09, 0x33, 0x8b, 0x00,
|
|
0xf9, 0x83, 0xb3, 0xc6, 0xa4, 0x90, 0x49, 0x83,
|
|
0x2d, 0x36, 0xd9, 0x11, 0x78, 0xd0, 0x62, 0x9f,
|
|
0xc4, 0x8f, 0x84, 0xba, 0x7f, 0xaa, 0x04, 0xf1,
|
|
0xd9, 0xa4, 0xad, 0x5d, 0x63, 0xee, 0x72, 0xc6,
|
|
0x4d, 0xd1, 0x4b, 0x41, 0x8f, 0x40, 0x0f, 0x7d,
|
|
0xcd, 0xb8, 0x2e, 0x5b, 0x6e, 0x21, 0xc9, 0x3d
|
|
};
|
|
|
|
Flow f;
|
|
SSLState *ssl_state = NULL;
|
|
TcpSession ssn;
|
|
Packet *p1 = NULL;
|
|
Packet *p2 = NULL;
|
|
Packet *p3 = NULL;
|
|
Signature *s = NULL;
|
|
ThreadVars tv;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&tv, 0, sizeof(ThreadVars));
|
|
memset(&f, 0, sizeof(Flow));
|
|
memset(&ssn, 0, sizeof(TcpSession));
|
|
|
|
p1 = UTHBuildPacketReal(client_hello, sizeof(client_hello), IPPROTO_TCP,
|
|
"192.168.1.5", "192.168.1.1", 51251, 443);
|
|
p2 = UTHBuildPacketReal(server_hello, sizeof(server_hello), IPPROTO_TCP,
|
|
"192.168.1.1", "192.168.1.5", 443, 51251);
|
|
p3 = UTHBuildPacketReal(certificate, sizeof(certificate), IPPROTO_TCP,
|
|
"192.168.1.1", "192.168.1.5", 443, 51251);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.flags |= FLOW_IPV4;
|
|
f.proto = IPPROTO_TCP;
|
|
f.protomap = FlowGetProtoMapping(f.proto);
|
|
f.alproto = ALPROTO_TLS;
|
|
|
|
p1->flow = &f;
|
|
p1->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
|
|
p1->flowflags |= FLOW_PKT_TOSERVER;
|
|
p1->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p1->pcap_cnt = 1;
|
|
|
|
p2->flow = &f;
|
|
p2->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
|
|
p2->flowflags |= FLOW_PKT_TOCLIENT;
|
|
p2->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p2->pcap_cnt = 2;
|
|
|
|
p3->flow = &f;
|
|
p3->flags |= PKT_HAS_FLOW | PKT_STREAM_EST;
|
|
p3->flowflags |= FLOW_PKT_TOCLIENT;
|
|
p3->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
p3->pcap_cnt = 3;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
DetectEngineCtx *de_ctx = DetectEngineCtxInit();
|
|
FAIL_IF_NULL(de_ctx);
|
|
|
|
de_ctx->mpm_matcher = mpm_default_matcher;
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
s = DetectEngineAppendSig(de_ctx, "alert tls any any -> any any "
|
|
"(msg:\"Test tls_cert_serial\"; "
|
|
"tls_cert_serial; "
|
|
"content:\"5C:19:B7:B1:32:3B:1C:A1\"; "
|
|
"sid:1;)");
|
|
FAIL_IF_NULL(s);
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
FLOWLOCK_WRLOCK(&f);
|
|
int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
|
|
STREAM_TOSERVER, client_hello,
|
|
sizeof(client_hello));
|
|
FLOWLOCK_UNLOCK(&f);
|
|
|
|
FAIL_IF(r != 0);
|
|
|
|
ssl_state = f.alstate;
|
|
FAIL_IF_NULL(ssl_state);
|
|
|
|
SigMatchSignatures(&tv, de_ctx, det_ctx, p1);
|
|
|
|
FAIL_IF(PacketAlertCheck(p1, 1));
|
|
|
|
FLOWLOCK_WRLOCK(&f);
|
|
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
|
|
server_hello, sizeof(server_hello));
|
|
FLOWLOCK_UNLOCK(&f);
|
|
|
|
FAIL_IF(r != 0);
|
|
|
|
SigMatchSignatures(&tv, de_ctx, det_ctx, p2);
|
|
|
|
FAIL_IF(PacketAlertCheck(p2, 1));
|
|
|
|
FLOWLOCK_WRLOCK(&f);
|
|
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
|
|
certificate, sizeof(certificate));
|
|
FLOWLOCK_UNLOCK(&f);
|
|
|
|
FAIL_IF(r != 0);
|
|
|
|
SigMatchSignatures(&tv, de_ctx, det_ctx, p3);
|
|
|
|
FAIL_IF_NOT(PacketAlertCheck(p3, 1));
|
|
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
if (det_ctx != NULL)
|
|
DetectEngineThreadCtxDeinit(&tv, det_ctx);
|
|
if (de_ctx != NULL)
|
|
SigGroupCleanup(de_ctx);
|
|
if (de_ctx != NULL)
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePacket(p1);
|
|
UTHFreePacket(p2);
|
|
UTHFreePacket(p3);
|
|
|
|
PASS;
|
|
}
|
|
|
|
#endif /* UNITTESTS */
|
|
|
|
static void DetectTlsSerialRegisterTests(void)
|
|
{
|
|
#ifdef UNITTESTS
|
|
UtRegisterTest("DetectTlsSerialTest01", DetectTlsSerialTest01);
|
|
UtRegisterTest("DetectTlsSerialTest02", DetectTlsSerialTest02);
|
|
#endif /* UNITTESTS */
|
|
}
|