Added random mode to synflood

synfloodraw/constants.go

@@ -6,4 +6,5 @@ const (
 	TypeSyn    = "syn"
 	TypeAck    = "ack"
 	TypeSynAck = "synAck"
+	TypeRandom = "random"
 )

synfloodraw/synfloodraw.go

@@ -109,7 +109,7 @@ func buildIpPacket(srcIpStr, dstIpStr string) *layers.IPv4 {
 
 // buildTcpPacket generates a layers.TCP and returns it with source port and destination port
 func buildTcpPacket(srcPort, dstPort int, floodType string) *layers.TCP {
-	var isSyn, isAck bool
+	var isSyn, isAck, isFin, isRst, isPsh, isUrg, isEce, isCwr, isNs bool
 	switch floodType {
 	case TypeSyn:
 		isSyn = true
@@ -118,6 +118,16 @@ func buildTcpPacket(srcPort, dstPort int, floodType string) *layers.TCP {
 	case TypeSynAck:
 		isSyn = true
 		isAck = true
+	case TypeRandom:
+		isSyn = rand.Intn(100) < 90
+		isAck = rand.Intn(100) < 90
+		isFin = rand.Intn(100) < 10
+		isRst = rand.Intn(100) < 10
+		isPsh = rand.Intn(100) < 10
+		isUrg = rand.Intn(100) < 20
+		isEce = rand.Intn(100) < 20
+		isCwr = rand.Intn(100) < 10
+		isNs = rand.Intn(100) < 5
 	}
 
 	return &layers.TCP{
@@ -131,6 +141,13 @@ func buildTcpPacket(srcPort, dstPort int, floodType string) *layers.TCP {
 		// Ack:     0,
 		SYN: isSyn,
 		ACK: isAck,
+		FIN: isFin,
+		RST: isRst,
+		PSH: isPsh,
+		URG: isUrg,
+		ECE: isEce,
+		CWR: isCwr,
+		NS:  isNs,
 	}
 }
 

testconfig.json

@@ -42,7 +42,7 @@
         "host": "localhost",
         "port": 80,
         "payload_len": 1000,
-        "flood_type": "syn"
+        "flood_type": "random"
       }
     }
   ]