#include "util-unittest-helper.h"
static int DetectTlsJa3HashSetup(DetectEngineCtx *, Signature *, const char *);
+#ifdef UNITTESTS
static void DetectTlsJa3HashRegisterTests(void);
+#endif
static InspectionBuffer *GetData(DetectEngineThreadCtx *det_ctx,
const DetectEngineTransforms *transforms,
Flow *f, const uint8_t flow_flags,
sigmatch_table[DETECT_AL_TLS_JA3_HASH].desc = "content modifier to match the JA3 hash buffer";
sigmatch_table[DETECT_AL_TLS_JA3_HASH].url = DOC_URL DOC_VERSION "/rules/ja3-keywords.html#ja3-hash";
sigmatch_table[DETECT_AL_TLS_JA3_HASH].Setup = DetectTlsJa3HashSetup;
+#ifdef UNITTESTS
sigmatch_table[DETECT_AL_TLS_JA3_HASH].RegisterTests = DetectTlsJa3HashRegisterTests;
-
+#endif
sigmatch_table[DETECT_AL_TLS_JA3_HASH].flags |= SIGMATCH_NOOPT;
sigmatch_table[DETECT_AL_TLS_JA3_HASH].flags |= SIGMATCH_INFO_STICKY_BUFFER;
}
}
-#ifndef HAVE_NSS
-
-static void DetectTlsJa3HashRegisterTests(void)
-{
- /* Don't register any tests */
-}
-
-#else /* HAVE_NSS */
-
#ifdef UNITTESTS
-
-/**
- * \test Test matching on a simple client hello packet
- */
-static int DetectTlsJa3HashTest01(void)
-{
- /* Client hello */
- uint8_t buf[] = { 0x16, 0x03, 0x03, 0x00, 0x82, 0x01, 0x00, 0x00, 0x7E,
- 0x03, 0x03, 0x57, 0x04, 0x9F, 0x5D, 0xC9, 0x5C, 0x87,
- 0xAE, 0xF2, 0xA7, 0x4A, 0xFC, 0x59, 0x78, 0x23, 0x31,
- 0x61, 0x2D, 0x29, 0x92, 0xB6, 0x70, 0xA5, 0xA1, 0xFC,
- 0x0E, 0x79, 0xFE, 0xC3, 0x97, 0x37, 0xC0, 0x00, 0x00,
- 0x44, 0x00, 0x04, 0x00, 0x05, 0x00, 0x0A, 0x00, 0x0D,
- 0x00, 0x10, 0x00, 0x13, 0x00, 0x16, 0x00, 0x2F, 0x00,
- 0x30, 0x00, 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x35,
- 0x00, 0x36, 0x00, 0x37, 0x00, 0x38, 0x00, 0x39, 0x00,
- 0x3C, 0x00, 0x3D, 0x00, 0x3E, 0x00, 0x3F, 0x00, 0x40,
- 0x00, 0x41, 0x00, 0x44, 0x00, 0x45, 0x00, 0x66, 0x00,
- 0x67, 0x00, 0x68, 0x00, 0x69, 0x00, 0x6A, 0x00, 0x6B,
- 0x00, 0x84, 0x00, 0x87, 0x00, 0xFF, 0x01, 0x00, 0x00,
- 0x13, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x0D, 0x00, 0x00,
- 0x0A, 0x67, 0x6F, 0x6F, 0x67, 0x6C, 0x65, 0x2E, 0x63,
- 0x6F, 0x6D, };
-
-
- Flow f;
- SSLState *ssl_state = NULL;
- Packet *p = NULL;
- ThreadVars tv;
- DetectEngineThreadCtx *det_ctx = NULL;
- TcpSession ssn;
- AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
-
- memset(&tv, 0, sizeof(ThreadVars));
- memset(&f, 0, sizeof(Flow));
- memset(&ssn, 0, sizeof(TcpSession));
-
- p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_TCP,
- "192.168.1.5", "192.168.1.1",
- 41424, 443);
-
- FLOW_INITIALIZE(&f);
- f.protoctx = (void *)&ssn;
- f.flags |= FLOW_IPV4;
- f.proto = IPPROTO_TCP;
- f.protomap = FlowGetProtoMapping(f.proto);
-
- p->flow = &f;
- p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
- p->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
- f.alproto = ALPROTO_TLS;
-
- 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 ja3.hash\"; ja3.hash; "
- "content:\"e7eca2baf4458d095b7f45da28c16c34\"; "
- "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, buf, sizeof(buf));
- FAIL_IF(r != 0);
-
- ssl_state = f.alstate;
- FAIL_IF_NULL(ssl_state);
-
- FAIL_IF_NULL(ssl_state->ja3_hash);
-
- SigMatchSignatures(&tv, de_ctx, det_ctx, p);
-
- FAIL_IF_NOT(PacketAlertCheck(p, 1));
-
- AppLayerParserThreadCtxFree(alp_tctx);
- DetectEngineThreadCtxDeinit(&tv, det_ctx);
- DetectEngineCtxFree(de_ctx);
-
- StreamTcpFreeConfig(TRUE);
- FLOW_DESTROY(&f);
- UTHFreePacket(p);
-
- PASS;
-}
-
-/**
- * \test Test matching on a simple client hello packet
- */
-static int DetectTlsJa3HashTest02(void)
-{
- /* Client hello */
- uint8_t buf[] = { 0x16, 0x03, 0x01, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xbc,
- 0x03, 0x03, 0x03, 0xb7, 0x16, 0x16, 0x5a, 0xe7, 0xc1,
- 0xbd, 0x46, 0x2f, 0xff, 0xf3, 0x68, 0xb8, 0x6f, 0x6e,
- 0x93, 0xdf, 0x06, 0x6a, 0xa7, 0x2d, 0xa0, 0xea, 0x9f,
- 0x48, 0xb5, 0xe7, 0x91, 0x20, 0xd7, 0x25, 0x00, 0x00,
- 0x1c, 0x0a, 0x0a, 0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0x2c,
- 0xc0, 0x30, 0xcc, 0xa9, 0xcc, 0xa8, 0xc0, 0x13, 0xc0,
- 0x14, 0x00, 0x9c, 0x00, 0x9d, 0x00, 0x2f, 0x00, 0x35,
- 0x00, 0x0a, 0x01, 0x00, 0x00, 0x77, 0x1a, 0x1a, 0x00,
- 0x00, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
- 0x12, 0x00, 0x10, 0x00, 0x00, 0x0d, 0x77, 0x77, 0x77,
- 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x6e,
- 0x6f, 0x00, 0x17, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00,
- 0x00, 0x0d, 0x00, 0x14, 0x00, 0x12, 0x04, 0x03, 0x08,
- 0x04, 0x04, 0x01, 0x05, 0x03, 0x08, 0x05, 0x05, 0x01,
- 0x08, 0x06, 0x06, 0x01, 0x02, 0x01, 0x00, 0x05, 0x00,
- 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00,
- 0x00, 0x00, 0x10, 0x00, 0x0e, 0x00, 0x0c, 0x02, 0x68,
- 0x32, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x31, 0x2e,
- 0x31, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x0a,
- 0x00, 0x0a, 0x00, 0x08, 0xba, 0xba, 0x00, 0x1d, 0x00,
- 0x17, 0x00, 0x18, 0x0a, 0x0a, 0x00, 0x01, 0x00 };
-
- Flow f;
- SSLState *ssl_state = NULL;
- ThreadVars tv;
- DetectEngineThreadCtx *det_ctx = NULL;
- TcpSession ssn;
- AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
-
- memset(&tv, 0, sizeof(ThreadVars));
- memset(&f, 0, sizeof(Flow));
- memset(&ssn, 0, sizeof(TcpSession));
-
- Packet *p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_TCP,
- "192.168.1.5", "192.168.1.1",
- 41424, 443);
-
- FLOW_INITIALIZE(&f);
- f.protoctx = (void *)&ssn;
- f.flags |= FLOW_IPV4;
- f.proto = IPPROTO_TCP;
- f.protomap = FlowGetProtoMapping(f.proto);
-
- p->flow = &f;
- p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
- p->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
- f.alproto = ALPROTO_TLS;
-
- 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 ja3.hash\"; ja3.hash; "
- "content:\"bc6c386f480ee97b9d9e52d472b772d8\"; "
- "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, buf, sizeof(buf));
- FAIL_IF(r != 0);
-
- ssl_state = f.alstate;
- FAIL_IF_NULL(ssl_state);
-
- FAIL_IF_NULL(ssl_state->ja3_hash);
-
- SigMatchSignatures(&tv, de_ctx, det_ctx, p);
-
- FAIL_IF_NOT(PacketAlertCheck(p, 1));
-
- AppLayerParserThreadCtxFree(alp_tctx);
- DetectEngineThreadCtxDeinit(&tv, det_ctx);
- DetectEngineCtxFree(de_ctx);
-
- StreamTcpFreeConfig(TRUE);
- FLOW_DESTROY(&f);
- UTHFreePacket(p);
-
- PASS;
-}
-#endif /* UNITTESTS */
-
-static void DetectTlsJa3HashRegisterTests(void)
-{
-#ifdef UNITTESTS
- UtRegisterTest("DetectTlsJa3HashTest01", DetectTlsJa3HashTest01);
- UtRegisterTest("DetectTlsJa3HashTest02", DetectTlsJa3HashTest02);
-#endif /* UNITTESTS */
-}
-
-#endif /* HAVE_NSS */
+#include "tests/detect-tls-ja3-hash.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.
+ */
+
+/**
+ * \file
+ *
+ * \author Mats Klepsland <mats.klepsland@gmail.com>
+ *
+ */
+
+#ifndef HAVE_NSS
+
+static void DetectTlsJa3HashRegisterTests(void)
+{
+ /* Don't register any tests */
+}
+
+#else /* HAVE_NSS */
+
+/**
+ * \test Test matching on a simple client hello packet
+ */
+static int DetectTlsJa3HashTest01(void)
+{
+ /* Client hello */
+ uint8_t buf[] = { 0x16, 0x03, 0x03, 0x00, 0x82, 0x01, 0x00, 0x00, 0x7E,
+ 0x03, 0x03, 0x57, 0x04, 0x9F, 0x5D, 0xC9, 0x5C, 0x87,
+ 0xAE, 0xF2, 0xA7, 0x4A, 0xFC, 0x59, 0x78, 0x23, 0x31,
+ 0x61, 0x2D, 0x29, 0x92, 0xB6, 0x70, 0xA5, 0xA1, 0xFC,
+ 0x0E, 0x79, 0xFE, 0xC3, 0x97, 0x37, 0xC0, 0x00, 0x00,
+ 0x44, 0x00, 0x04, 0x00, 0x05, 0x00, 0x0A, 0x00, 0x0D,
+ 0x00, 0x10, 0x00, 0x13, 0x00, 0x16, 0x00, 0x2F, 0x00,
+ 0x30, 0x00, 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x35,
+ 0x00, 0x36, 0x00, 0x37, 0x00, 0x38, 0x00, 0x39, 0x00,
+ 0x3C, 0x00, 0x3D, 0x00, 0x3E, 0x00, 0x3F, 0x00, 0x40,
+ 0x00, 0x41, 0x00, 0x44, 0x00, 0x45, 0x00, 0x66, 0x00,
+ 0x67, 0x00, 0x68, 0x00, 0x69, 0x00, 0x6A, 0x00, 0x6B,
+ 0x00, 0x84, 0x00, 0x87, 0x00, 0xFF, 0x01, 0x00, 0x00,
+ 0x13, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x0D, 0x00, 0x00,
+ 0x0A, 0x67, 0x6F, 0x6F, 0x67, 0x6C, 0x65, 0x2E, 0x63,
+ 0x6F, 0x6D, };
+
+
+ Flow f;
+ SSLState *ssl_state = NULL;
+ Packet *p = NULL;
+ ThreadVars tv;
+ DetectEngineThreadCtx *det_ctx = NULL;
+ TcpSession ssn;
+ AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
+
+ memset(&tv, 0, sizeof(ThreadVars));
+ memset(&f, 0, sizeof(Flow));
+ memset(&ssn, 0, sizeof(TcpSession));
+
+ p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_TCP,
+ "192.168.1.5", "192.168.1.1",
+ 41424, 443);
+
+ FLOW_INITIALIZE(&f);
+ f.protoctx = (void *)&ssn;
+ f.flags |= FLOW_IPV4;
+ f.proto = IPPROTO_TCP;
+ f.protomap = FlowGetProtoMapping(f.proto);
+
+ p->flow = &f;
+ p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
+ p->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
+ f.alproto = ALPROTO_TLS;
+
+ 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 ja3.hash\"; ja3.hash; "
+ "content:\"e7eca2baf4458d095b7f45da28c16c34\"; "
+ "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, buf, sizeof(buf));
+ FAIL_IF(r != 0);
+
+ ssl_state = f.alstate;
+ FAIL_IF_NULL(ssl_state);
+
+ FAIL_IF_NULL(ssl_state->ja3_hash);
+
+ SigMatchSignatures(&tv, de_ctx, det_ctx, p);
+
+ FAIL_IF_NOT(PacketAlertCheck(p, 1));
+
+ AppLayerParserThreadCtxFree(alp_tctx);
+ DetectEngineThreadCtxDeinit(&tv, det_ctx);
+ DetectEngineCtxFree(de_ctx);
+
+ StreamTcpFreeConfig(TRUE);
+ FLOW_DESTROY(&f);
+ UTHFreePacket(p);
+
+ PASS;
+}
+
+/**
+ * \test Test matching on a simple client hello packet
+ */
+static int DetectTlsJa3HashTest02(void)
+{
+ /* Client hello */
+ uint8_t buf[] = { 0x16, 0x03, 0x01, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xbc,
+ 0x03, 0x03, 0x03, 0xb7, 0x16, 0x16, 0x5a, 0xe7, 0xc1,
+ 0xbd, 0x46, 0x2f, 0xff, 0xf3, 0x68, 0xb8, 0x6f, 0x6e,
+ 0x93, 0xdf, 0x06, 0x6a, 0xa7, 0x2d, 0xa0, 0xea, 0x9f,
+ 0x48, 0xb5, 0xe7, 0x91, 0x20, 0xd7, 0x25, 0x00, 0x00,
+ 0x1c, 0x0a, 0x0a, 0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0x2c,
+ 0xc0, 0x30, 0xcc, 0xa9, 0xcc, 0xa8, 0xc0, 0x13, 0xc0,
+ 0x14, 0x00, 0x9c, 0x00, 0x9d, 0x00, 0x2f, 0x00, 0x35,
+ 0x00, 0x0a, 0x01, 0x00, 0x00, 0x77, 0x1a, 0x1a, 0x00,
+ 0x00, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
+ 0x12, 0x00, 0x10, 0x00, 0x00, 0x0d, 0x77, 0x77, 0x77,
+ 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x6e,
+ 0x6f, 0x00, 0x17, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00,
+ 0x00, 0x0d, 0x00, 0x14, 0x00, 0x12, 0x04, 0x03, 0x08,
+ 0x04, 0x04, 0x01, 0x05, 0x03, 0x08, 0x05, 0x05, 0x01,
+ 0x08, 0x06, 0x06, 0x01, 0x02, 0x01, 0x00, 0x05, 0x00,
+ 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00,
+ 0x00, 0x00, 0x10, 0x00, 0x0e, 0x00, 0x0c, 0x02, 0x68,
+ 0x32, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x31, 0x2e,
+ 0x31, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x0a,
+ 0x00, 0x0a, 0x00, 0x08, 0xba, 0xba, 0x00, 0x1d, 0x00,
+ 0x17, 0x00, 0x18, 0x0a, 0x0a, 0x00, 0x01, 0x00 };
+
+ Flow f;
+ SSLState *ssl_state = NULL;
+ ThreadVars tv;
+ DetectEngineThreadCtx *det_ctx = NULL;
+ TcpSession ssn;
+ AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
+
+ memset(&tv, 0, sizeof(ThreadVars));
+ memset(&f, 0, sizeof(Flow));
+ memset(&ssn, 0, sizeof(TcpSession));
+
+ Packet *p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_TCP,
+ "192.168.1.5", "192.168.1.1",
+ 41424, 443);
+
+ FLOW_INITIALIZE(&f);
+ f.protoctx = (void *)&ssn;
+ f.flags |= FLOW_IPV4;
+ f.proto = IPPROTO_TCP;
+ f.protomap = FlowGetProtoMapping(f.proto);
+
+ p->flow = &f;
+ p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
+ p->flowflags |= FLOW_PKT_TOSERVER|FLOW_PKT_ESTABLISHED;
+ f.alproto = ALPROTO_TLS;
+
+ 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 ja3.hash\"; ja3.hash; "
+ "content:\"bc6c386f480ee97b9d9e52d472b772d8\"; "
+ "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, buf, sizeof(buf));
+ FAIL_IF(r != 0);
+
+ ssl_state = f.alstate;
+ FAIL_IF_NULL(ssl_state);
+
+ FAIL_IF_NULL(ssl_state->ja3_hash);
+
+ SigMatchSignatures(&tv, de_ctx, det_ctx, p);
+
+ FAIL_IF_NOT(PacketAlertCheck(p, 1));
+
+ AppLayerParserThreadCtxFree(alp_tctx);
+ DetectEngineThreadCtxDeinit(&tv, det_ctx);
+ DetectEngineCtxFree(de_ctx);
+
+ StreamTcpFreeConfig(TRUE);
+ FLOW_DESTROY(&f);
+ UTHFreePacket(p);
+
+ PASS;
+}
+
+static void DetectTlsJa3HashRegisterTests(void)
+{
+ UtRegisterTest("DetectTlsJa3HashTest01", DetectTlsJa3HashTest01);
+ UtRegisterTest("DetectTlsJa3HashTest02", DetectTlsJa3HashTest02);
+}
+
+#endif /* HAVE_NSS */