Common Information
Type Value
Value
rule apt_NK_Lazarus_SKOlympics_EPS {
	meta:
		author = "JAG-S, Insikt Group, RF"
		desc = "CN terms in PostScript loader"
		TLP = "Green"
		version = "1.0"
		md5 = "231fe349faa7342f33402c562f93a270"
	strings:
		$eps_strings1 = "/yinzi { token pop exch pop } bind def" ascii wide
		$eps_strings2 = "/yaoshi <A3E6E7BB> def" ascii wide
		$eps_strings8 = /\/yaoshi <[A-F0-9]{8}> def/ ascii wide
		$eps_strings3 = "/yima{" ascii wide
		$eps_strings4 = "/funcA exch def" ascii wide
		$eps_strings5 = "0 1 funcA length 1 sub {" ascii wide
		$eps_strings6 = "/funcB exch def" ascii wide
		$eps_strings7 = "funcA funcB 2 copy get yaoshi funcB 4 mod get xor put" ascii wide
	condition:
		6 of them
}
Category
Type Yara Rule
Misp Type
Description
Details Published Attributes CTI Title
Details Pdf 2018-01-18 23 North Korea Targeted South Korean Cryptocurrency Users and Exchange in Late 2017 Campaign