#include "util-unittest-helper.h"
static int DetectTlsJa3SStringSetup(DetectEngineCtx *, Signature *, const char *);
+#ifdef UNITTESTS
static void DetectTlsJa3SStringRegisterTests(void);
+#endif
static InspectionBuffer *GetData(DetectEngineThreadCtx *det_ctx,
const DetectEngineTransforms *transforms,
Flow *f, const uint8_t flow_flags,
sigmatch_table[DETECT_AL_TLS_JA3S_STRING].desc = "content modifier to match the JA3S string sticky buffer";
sigmatch_table[DETECT_AL_TLS_JA3S_STRING].url = DOC_URL DOC_VERSION "/rules/ja3-keywords.html#ja3s-string";
sigmatch_table[DETECT_AL_TLS_JA3S_STRING].Setup = DetectTlsJa3SStringSetup;
+#ifdef UNITTESTS
sigmatch_table[DETECT_AL_TLS_JA3S_STRING].RegisterTests = DetectTlsJa3SStringRegisterTests;
-
+#endif
sigmatch_table[DETECT_AL_TLS_JA3S_STRING].flags |= SIGMATCH_NOOPT;
sigmatch_table[DETECT_AL_TLS_JA3S_STRING].flags |= SIGMATCH_INFO_STICKY_BUFFER;
return buffer;
}
-#ifndef HAVE_NSS
-
-static void DetectTlsJa3SStringRegisterTests(void)
-{
- /* Don't register any tests */
-}
-
-#else /* HAVE_NSS */
-
#ifdef UNITTESTS
-
-/**
- * \test Test matching on a simple client hello packet
- */
-static int DetectTlsJa3SStringTest01(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
- };
-
- Flow f;
- SSLState *ssl_state = NULL;
- TcpSession ssn;
- Packet *p1 = NULL;
- Packet *p2 = 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);
-
- 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;
-
- StreamTcpInitConfig(TRUE);
-
- DetectEngineCtx *de_ctx = DetectEngineCtxInit();
- FAIL_IF_NULL(de_ctx);
-
- de_ctx->mpm_matcher = mpm_default_matcher;
- de_ctx->flags |= DE_QUIET;
-
- Signature *s = DetectEngineAppendSig(de_ctx, "alert tls any any -> any any "
- "(msg:\"Test ja3s_hash\"; "
- "ja3s.string; "
- "content:\"771,49199,65281-0-35-16-11\"; "
- "sid:1;)");
- FAIL_IF_NULL(s);
-
- SigGroupBuild(de_ctx);
- DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
-
- int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
- STREAM_TOSERVER, client_hello,
- sizeof(client_hello));
-
- 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));
-
- r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
- server_hello, sizeof(server_hello));
-
- FAIL_IF(r != 0);
-
- FAIL_IF_NULL(ssl_state->server_connp.ja3_str);
-
- SigMatchSignatures(&tv, de_ctx, det_ctx, p2);
-
- FAIL_IF_NOT(PacketAlertCheck(p2, 1));
-
- AppLayerParserThreadCtxFree(alp_tctx);
- DetectEngineThreadCtxDeinit(&tv, det_ctx);
- DetectEngineCtxFree(de_ctx);
- StreamTcpFreeConfig(TRUE);
- FLOW_DESTROY(&f);
- UTHFreePacket(p1);
- UTHFreePacket(p2);
-
- PASS;
-}
-
-#endif /* UNITTESTS */
-
-static void DetectTlsJa3SStringRegisterTests(void)
-{
-#ifdef UNITTESTS
- UtRegisterTest("DetectTlsJa3SStringTest01", DetectTlsJa3SStringTest01);
-#endif /* UNITTESTS */
-}
-
-#endif /* HAVE_NSS */
+#include "tests/detect-tls-ja3s-string.c"
+#endif
--- /dev/null
+/* Copyright (C) 2019 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.
+ */
+
+#ifndef HAVE_NSS
+
+static void DetectTlsJa3SStringRegisterTests(void)
+{
+ /* Don't register any tests */
+}
+
+#else /* HAVE_NSS */
+
+/**
+ * \test Test matching on a simple client hello packet
+ */
+static int DetectTlsJa3SStringTest01(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
+ };
+
+ Flow f;
+ SSLState *ssl_state = NULL;
+ TcpSession ssn;
+ Packet *p1 = NULL;
+ Packet *p2 = 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);
+
+ 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;
+
+ StreamTcpInitConfig(TRUE);
+
+ DetectEngineCtx *de_ctx = DetectEngineCtxInit();
+ FAIL_IF_NULL(de_ctx);
+
+ de_ctx->mpm_matcher = mpm_default_matcher;
+ de_ctx->flags |= DE_QUIET;
+
+ Signature *s = DetectEngineAppendSig(de_ctx, "alert tls any any -> any any "
+ "(msg:\"Test ja3s_hash\"; "
+ "ja3s.string; "
+ "content:\"771,49199,65281-0-35-16-11\"; "
+ "sid:1;)");
+ FAIL_IF_NULL(s);
+
+ SigGroupBuild(de_ctx);
+ DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
+
+ int r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
+ STREAM_TOSERVER, client_hello,
+ sizeof(client_hello));
+
+ 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));
+
+ r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
+ server_hello, sizeof(server_hello));
+
+ FAIL_IF(r != 0);
+
+ FAIL_IF_NULL(ssl_state->server_connp.ja3_str);
+
+ SigMatchSignatures(&tv, de_ctx, det_ctx, p2);
+
+ FAIL_IF_NOT(PacketAlertCheck(p2, 1));
+
+ AppLayerParserThreadCtxFree(alp_tctx);
+ DetectEngineThreadCtxDeinit(&tv, det_ctx);
+ DetectEngineCtxFree(de_ctx);
+ StreamTcpFreeConfig(TRUE);
+ FLOW_DESTROY(&f);
+ UTHFreePacket(p1);
+ UTHFreePacket(p2);
+
+ PASS;
+}
+
+static void DetectTlsJa3SStringRegisterTests(void)
+{
+ UtRegisterTest("DetectTlsJa3SStringTest01", DetectTlsJa3SStringTest01);
+}
+
+#endif /* HAVE_NSS */