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Multi_Ransomware_BlackCat_e066d802.yarrule Multi_Ransomware_BlackCat_e066d802
{
meta:
author = "Elastic Security"
id = "e066d802-b803-4e35-9b53-ae1823662483"
fingerprint = "05037af3395b682d1831443757376064c873815ac4b6d1c09116715570f51f5d"
creation_date = "2023-07-27"
last_modified = "2023-09-20"
threat_name = "Multi.Ransomware.BlackCat"
reference_sample = "00360830bf5886288f23784b8df82804bf6f22258e410740db481df8a7701525"
severity = 100
arch_context = "x86"
scan_context = "file, memory"
license = "Elastic License v2"
os = "multi"
strings:
$a1 = "esxcli vm process kill --type=force --world-id=Killing"
$a2 = "vim-cmd vmsvc/snapshot.removeall $i"
$a3 = "File already has encrypted extension"
condition:
2 of them
}