SEKOIA_Apt_Granitetyphoon_Sword2023_Strings

rule SEKOIA_Apt_Granitetyphoon_Sword2023_Strings : FILE
{
	meta:
		description = "Detects Sword2023 malware based on strings"
		author = "Sekoia.io"
		id = "417b355f-9eb8-40ae-bc3b-f7f23b5ca63e"
		date = "2023-05-25"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_granitetyphoon_sword2023_strings.yar#L1-L21"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "8644547f093295eeac30c9040796329a3e2222c06a942d14899545726c8bed78"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "TERM=linux"
		$ = ";echo"
		$ = "sh:time out"
		$ = "sh:read stdout error"
		$ = "/proc/sys/kernel/random/uuid"

	condition:
		( uint32be( 0 ) == 0x7f454c46 ) and filesize < 100KB and all of them
}