fix: Cassandra CQL 协议头缺少 flags 字节 + version 方向位错误

cqlSend 写 8 字节头（缺 flags），实际 CQL v4 需要 9 字节。
version byte 0x84 是 response 方向，request 应为 0x04。

同时扩展集成测试至 17 个协议：新增 Memcached、Elasticsearch、
MSSQL、RabbitMQ、MQTT、LDAP、Cassandra、Neo4j、Kafka、SMTP。

plugins/services/cassandra.go

@@ -74,7 +74,7 @@ func (p *CassandraPlugin) createAuthFunc(info *common.HostInfo, config *common.C
 //
 //	[1B version|flags] [2B stream] [1B opcode] [4B length] [body]
 const (
-	cqlVersion      = 0x84 // version=4, direction=request
+	cqlVersion      = 0x04 // version=4, direction=request
 	cqlOpStartup    = 0x01
 	cqlOpAuthRsp    = 0x0f
 	cqlOpQuery      = 0x07
@@ -178,12 +178,13 @@ func nextCQLStreamID() uint16 {
 func cqlSend(conn net.Conn, opcode byte, body []byte) error {
 	id := nextCQLStreamID()
 
-	// frame: [1B version|flags] [2B stream] [1B opcode] [4B length] [body]
-	header := make([]byte, 8)
-	header[0] = cqlVersion
-	binary.BigEndian.PutUint16(header[1:3], id)
-	header[3] = opcode
-	binary.BigEndian.PutUint32(header[4:8], uint32(len(body)))
+	// CQL v4 frame: [1B version] [1B flags] [2B stream] [1B opcode] [4B length] [body]
+	header := make([]byte, 9)
+	header[0] = cqlVersion // 0x04 = request, version 4
+	header[1] = 0x00       // flags
+	binary.BigEndian.PutUint16(header[2:4], id)
+	header[4] = opcode
+	binary.BigEndian.PutUint32(header[5:9], uint32(len(body)))
 
 	buf := append(header, body...)
 	_, err := conn.Write(buf)

tests/integration/docker-compose.yml

@@ -87,3 +87,117 @@ services:
       test: ["CMD", "mongo", "--eval", "db.adminCommand('ping')", "-u", "admin", "-p", "mongo123"]
       interval: 5s
       retries: 20
+
+  memcached:
+    image: memcached:1-alpine
+    ports:
+      - "11211:11211"
+    healthcheck:
+      test: ["CMD-SHELL", "echo stats | nc localhost 11211 | grep -q pid"]
+      interval: 3s
+      retries: 10
+
+  elasticsearch:
+    image: elasticsearch:7.17.24
+    environment:
+      discovery.type: single-node
+      xpack.security.enabled: "false"
+      ES_JAVA_OPTS: "-Xms256m -Xmx256m"
+    ports:
+      - "19200:9200"
+    healthcheck:
+      test: ["CMD-SHELL", "curl -sf http://localhost:9200/_cluster/health || exit 1"]
+      interval: 5s
+      retries: 20
+
+  mssql:
+    image: mcr.microsoft.com/mssql/server:2019-latest
+    environment:
+      ACCEPT_EULA: "Y"
+      SA_PASSWORD: "MssqlTest123!"
+      MSSQL_PID: Express
+    ports:
+      - "11433:1433"
+    healthcheck:
+      test: ["CMD-SHELL", "/opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P 'MssqlTest123!' -Q 'SELECT 1' || exit 1"]
+      interval: 5s
+      retries: 30
+
+  rabbitmq:
+    image: rabbitmq:3-management-alpine
+    environment:
+      RABBITMQ_DEFAULT_USER: admin
+      RABBITMQ_DEFAULT_PASS: rabbit123
+    ports:
+      - "15672:15672"
+      - "15673:5672"
+    healthcheck:
+      test: ["CMD", "rabbitmq-diagnostics", "check_running"]
+      interval: 5s
+      retries: 20
+
+  mqtt:
+    image: eclipse-mosquitto:2
+    ports:
+      - "11883:1883"
+    volumes:
+      - ./mosquitto.conf:/mosquitto/config/mosquitto.conf:ro
+    healthcheck:
+      test: ["CMD-SHELL", "mosquitto_sub -t '$$SYS/#' -C 1 -W 2 || exit 1"]
+      interval: 5s
+      retries: 10
+
+openldap:
+    image: osixia/openldap:1.5.0
+    environment:
+      LDAP_ORGANISATION: "Test"
+      LDAP_DOMAIN: "test.local"
+      LDAP_ADMIN_PASSWORD: "ldap123"
+    ports:
+      - "10389:389"
+    healthcheck:
+      test: ["CMD-SHELL", "ldapsearch -x -H ldap://localhost -b 'dc=test,dc=local' -D 'cn=admin,dc=test,dc=local' -w ldap123 || exit 1"]
+      interval: 5s
+      retries: 10
+
+  cassandra:
+    image: cassandra:4.1
+    environment:
+      CASSANDRA_AUTHENTICATOR: AllowAllAuthenticator
+    ports:
+      - "19042:9042"
+    healthcheck:
+      test: ["CMD-SHELL", "cqlsh -e 'DESCRIBE CLUSTER' || exit 1"]
+      interval: 10s
+      retries: 30
+
+  neo4j:
+    image: neo4j:5
+    environment:
+      NEO4J_AUTH: "neo4j/neo4jtest123"
+    ports:
+      - "17687:7687"
+      - "17474:7474"
+    healthcheck:
+      test: ["CMD-SHELL", "wget -qO- http://localhost:7474 || exit 1"]
+      interval: 5s
+      retries: 20
+
+  kafka:
+    image: apache/kafka:3.7.0
+    ports:
+      - "19092:9092"
+    healthcheck:
+      test: ["CMD-SHELL", "/opt/kafka/bin/kafka-topics.sh --bootstrap-server localhost:9092 --list || exit 1"]
+      interval: 10s
+      retries: 20
+
+  smtp:
+    image: mailhog/mailhog
+    ports:
+      - "11025:1025"
+      - "18025:8025"
+    healthcheck:
+      test: ["CMD-SHELL", "wget -qO- http://localhost:8025/api/v2/messages || exit 1"]
+      interval: 5s
+      retries: 10

tests/integration/integration_test.go

@@ -204,6 +204,229 @@ func TestMongoDBBrute(t *testing.T) {
 	t.Logf("mongodb brute: user=%s pass=%s", result.Username, result.Password)
 }
 
+// ── Memcached ──────────────────────────────────────────────────
+
+func TestMemcachedUnauthorized(t *testing.T) {
+	session := testSession()
+	info := hostInfo(testHost, 11211)
+	plugin := services.NewMemcachedPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected memcached to succeed, got error: %v", result.Error)
+	}
+	t.Logf("memcached: type=%s banner=%s", result.Type, result.Banner)
+}
+
+// ── Elasticsearch ──────────────────────────────────────────────
+
+func TestElasticsearchUnauthorized(t *testing.T) {
+	session := testSession()
+	info := hostInfo(testHost, 19200)
+	plugin := services.NewElasticsearchPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected elasticsearch to succeed, got error: %v", result.Error)
+	}
+	t.Logf("elasticsearch: type=%s vulinfo=%s", result.Type, result.VulInfo)
+}
+
+// ── MSSQL ──────────────────────────────────────────────────────
+
+func TestMSSQLBrute(t *testing.T) {
+	session := testSession()
+	session.Config.Credentials.UserPassPairs = []config.CredentialPair{
+		{Username: "sa", Password: "wrong"},
+		{Username: "sa", Password: "MssqlTest123!"},
+	}
+	info := hostInfo(testHost, 11433)
+	plugin := services.NewMSSQLPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected mssql brute to succeed, got error: %v", result.Error)
+	}
+	t.Logf("mssql brute: user=%s pass=%s", result.Username, result.Password)
+}
+
+// ── RabbitMQ ───────────────────────────────────────────────────
+
+func TestRabbitMQBrute(t *testing.T) {
+	session := testSession()
+	session.Config.Credentials.UserPassPairs = []config.CredentialPair{
+		{Username: "admin", Password: "wrong"},
+		{Username: "admin", Password: "rabbit123"},
+	}
+	info := hostInfo(testHost, 15672)
+	plugin := services.NewRabbitMQPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected rabbitmq brute to succeed, got error: %v", result.Error)
+	}
+	t.Logf("rabbitmq brute: user=%s pass=%s", result.Username, result.Password)
+}
+
+// ── MQTT ───────────────────────────────────────────────────────
+
+func TestMQTTServiceDetect(t *testing.T) {
+	session := testSession()
+	info := hostInfo(testHost, 11883)
+	plugin := services.NewMQTTPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected mqtt service detect to succeed, got error: %v", result.Error)
+	}
+	t.Logf("mqtt: service=%s banner=%s", result.Service, result.Banner)
+}
+
+// ── SMB ────────────────────────────────────────────────────────
+
+func TestSMBBrute(t *testing.T) {
+	t.Skip("SMB requires port 445 which is reserved on WSL2")
+}
+
+// ── LDAP ───────────────────────────────────────────────────────
+
+func TestLDAPBrute(t *testing.T) {
+	session := testSession()
+	session.Config.Credentials.UserPassPairs = []config.CredentialPair{
+		{Username: "cn=admin,dc=test,dc=local", Password: "wrong"},
+		{Username: "cn=admin,dc=test,dc=local", Password: "ldap123"},
+	}
+	info := hostInfo(testHost, 10389)
+	plugin := services.NewLDAPPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected ldap brute to succeed, got error: %v", result.Error)
+	}
+	t.Logf("ldap brute: user=%s pass=%s", result.Username, result.Password)
+}
+
+// ── Cassandra ──────────────────────────────────────────────────
+
+func TestCassandraServiceDetect(t *testing.T) {
+	session := testSession()
+	session.Config.DisableBrute = true
+	info := hostInfo(testHost, 19042)
+	plugin := services.NewCassandraPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected cassandra service detect to succeed, got error: %v", result.Error)
+	}
+	t.Logf("cassandra: type=%s banner=%s", result.Type, result.Banner)
+}
+
+// ── Neo4j ──────────────────────────────────────────────────────
+
+func TestNeo4jBrute(t *testing.T) {
+	session := testSession()
+	session.Config.Credentials.UserPassPairs = []config.CredentialPair{
+		{Username: "neo4j", Password: "wrong"},
+		{Username: "neo4j", Password: "neo4jtest123"},
+	}
+	info := hostInfo(testHost, 17687)
+	plugin := services.NewNeo4jPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected neo4j brute to succeed, got error: %v", result.Error)
+	}
+	t.Logf("neo4j brute: user=%s pass=%s", result.Username, result.Password)
+}
+
+// ── Kafka ──────────────────────────────────────────────────────
+
+func TestKafkaNoAuth(t *testing.T) {
+	session := testSession()
+	info := hostInfo(testHost, 19092)
+	plugin := services.NewKafkaPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected kafka to succeed, got error: %v", result.Error)
+	}
+	t.Logf("kafka: type=%s banner=%s", result.Type, result.Banner)
+}
+
+// ── SMTP ───────────────────────────────────────────────────────
+
+func TestSMTPServiceDetect(t *testing.T) {
+	session := testSession()
+	info := hostInfo(testHost, 11025)
+	plugin := services.NewSMTPPlugin()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	result := plugin.Scan(ctx, info, session)
+	if result == nil {
+		t.Fatal("result is nil")
+	}
+	if !result.Success {
+		t.Fatalf("expected smtp to succeed, got error: %v", result.Error)
+	}
+	t.Logf("smtp: type=%s banner=%s", result.Type, result.Banner)
+}
+
 // ── 连接失败场景 ──────────────────────────────────────────────
 
 func TestRedisConnectionRefused(t *testing.T) {

tests/integration/mosquitto.conf

@@ -0,0 +1,2 @@
+listener 1883
+allow_anonymous true