Sneed-Reactivity/yara-Neo23x0/apt_mal_ilo_board_elf.yar

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rule APT_MAL_HP_iLO_Firmware_Dec21_1 {
meta:
description = "Detects suspicios ELF files with sections as described in malicious iLO Board analysis by AmnPardaz in December 2021"
author = "Florian Roth (Nextron Systems)"
reference = "https://threats.amnpardaz.com/en/2021/12/28/implant-arm-ilobleed-a/"
date = "2021-12-28"
score = 80
id = "7f5fa905-07a3-55da-b644-c5ab882b4a9d"
strings:
$s1 = ".newelf.elf.text" ascii
$s2 = ".newelf.elf.libc.so.data" ascii
$s3 = ".newelf.elf.Initial.stack" ascii
$s4 = ".newelf.elf.libevlog.so.data" ascii
condition:
filesize < 5MB and 2 of them or
all of them
}