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USB Autorun.inf 악성코드 감염 샘플 AutoRun.inf [autorun] open=.\RECYCLER\RECYCLER\autorun.exe shell\1=Open shell\1\Command=.\RECYCLER\RECYCLER\autorun.exe shell\2\=Browser shell\2\Command=.\RECYCLER\RECYCLER\autorun.exe shellexecute=.\RECYCLER\RECYCLER\autorun.exe [autorun] open=CONFIG\S-1-5-21-1482476501-1644491937-682003330-1013\Cfg.exe icon=%SystemRoot%\system32\SHELL32.dll,4 action=Open folder to view files shell\open=Open sh.. 2010. 1. 22.
List open ports and listening services It's almost impossible to provide a comprehensive list of services to turn off to minimize the security threat, but having a tool for listing active services and open ports is a good start to a more secure network. As mentioned in the article, "10 security tips for all general-purpose OSes", you should turn off any services you don't actually need so that they will not become avenues of attack f.. 2010. 1. 21.
FreeBSD - IPFW 방화벽 FreeBSD 에서 ipfw 를 이용하여 방화벽이 사용가능 하다. 커널 설정 파일에 옵션을 주고 컴파일 해야 사용가능 하다. 아래 처럼 간단히 커널 컴파일을 하기 위해 기본설정 파일인 GENERIC 을 복사하여 옵션을 추가해주자. [root@yongbok ~]# mkdir Kernel ; cd Kernel [root@yongbok ~]# cp /usr/src/sys/i386/conf/GENERIC ~/Kernel/Yongbok [root@yongbok ~]# vi ~/Kernel/Yongbok ident Yongbok options IPFIREWALL options IPFIREWALL_VERBOSE options IPFIREWALL_VERBOSE_LIMIT=5 options IPFIREWALL_DEFAU.. 2010. 1. 20.
MySQL UDF를 활용한 사용자 정의 함수 추가 1. 추가할 함수 구현 - syslogudf.c 파일에 기능 구현 #include #include #include my_bool logger_init(UDF_INIT *initid, UDF_ARGS *args, char *message) { initid->maybe_null=0; return 0; } long long logger(UDF_INIT *initid, UDF_ARGS *args, char *is_null, char *error) { if (args->arg_count != 1) { strcpy(error, "LOGGER(): needs message"); return 1; } if (args->arg_type[0] != STRING_RESULT) { strcpy(error, "LOGGER() .. 2010. 1. 19.
PGP (Pretty Good Privacy) GPGshell v3.75 - 2055 KB - Freeware GPGshell is a graphical interface for GnuPG (GNU Privacy Guard). It requires an already working installation of GnuPG v1.4.x (v1.4.9 or later), because it does not have any cryptographic code itself, and some basic knowledge about the GnuPG command-lines and functions. Included translations: CS, DE, FI, EN, ES, IT, NL, NO, PL, RU, SV, ZH Additional or updated .. 2010. 1. 19.

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