DITEKSHEN_MALWARE_Linux_Gobrat

rule DITEKSHEN_MALWARE_Linux_Gobrat : FILE
{
	meta:
		description = "Detects GobRAT"
		author = "ditekSHen"
		id = "0561fa99-24ee-5e02-ba54-17a1dd81daa4"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L10044-L10062"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "070687c909b066e38f72b6421b77670e87476d7e1eb1ed8d41d027836629eb71"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$x1 = "BotList" ascii
		$x2 = "BotCount" ascii
		$x3 = "/etc/services/zone/bot.log" ascii
		$x4 = "aaa.com/bbb/me" ascii
		$s1 = "encoding/gob." ascii
		$s2 = ".GetMacAddress" ascii
		$s3 = ".IpString2Uint32" ascii
		$s4 = ".RegisterLogFile" ascii
		$s5 = ".UniqueAppendString" ascii
		$s6 = ".NewDaemon" ascii
		$s7 = ".SimpleCommand" ascii

	condition:
		uint16( 0 ) == 0x457f and ( 3 of ( $x* ) or ( 2 of ( $x* ) and 3 of ( $s* ) ) or ( 1 of ( $x* ) and 5 of ( $s* ) ) or all of ( $s* ) )
}