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Windows_Ransomware_Ragnarok_5625d3f6.yarrule Windows_Ransomware_Ragnarok_5625d3f6 : beta
{
meta:
author = "Elastic Security"
id = "5625d3f6-7071-4a09-8ddf-faa2d081b539"
fingerprint = "5c0a4e2683991929ff6307855bf895e3f13a61bbcc6b3c4b47d895f818d25343"
creation_date = "2020-05-03"
last_modified = "2021-08-23"
description = "Identifies RAGNAROK ransomware"
threat_name = "Windows.Ransomware.Ragnarok"
reference = "https://twitter.com/malwrhunterteam/status/1256263426441125888?s=20"
severity = 100
arch_context = "x86, arm64"
scan_context = "file, memory"
license = "Elastic License v2"
os = "windows"
strings:
$b1 = "prv_ip" ascii fullword
$b2 = "%i.%i.%i" ascii fullword
$b3 = "pub_ip" ascii fullword
$b4 = "cometosee" ascii fullword
condition:
all of ( $b* )
}