Common Information
Type Value
Value
rule wellmess_regex_used_for_parsing_beacons {
	meta:
		description = "Detects WellMess Golang and .NET samples based on the 
regex they used to parse commands and beacon information"
		author = "NCSC"
		hash = "8749c1495af4fd73ccfc84b32f56f5e78549d81feefb0c1d1c3475a74345f6a8"
	strings:
		$a = "fileName:(?<fn>.*?)\\sargs:(?<arg>.*)\\snotwait:(?<nw>.*)" ascii wide
		$b = "<;(?<key>[^;]*?);>(?<value>[^<]*?)<;[^;]*?;>" ascii wide
	condition:
		((uint16(0) == 0x5a4d and uint16(uint16(0x3c)) == 0x4550) or uint32(0) == 0x464c457f) and any of them
}
Category
Type Yara Rule
Misp Type
Description
Details Published Attributes CTI Title
Details Pdf 2020-07-16 138 Advisory: APT29 targets COVID-19 vaccine development
Details Pdf 2020-07-16 139 Advisory: APT29 targets COVID-19 vaccine development