Google Chronicle unknown experimental yara-l
rig_ek_delivers_predator_the_thiefbot_ransomware
Rig EK Delivers Predator the thief&Bot Ransomware License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md.
Detection Logic
rule rig_ek_delivers_predator_the_thiefbot_ransomware {
meta:
author = "Emir Erdogan"
description = "Rig EK Delivers Predator the thief&Bot Ransomware License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
reference = "https://tdm.socprime.com/tdm/info/rOXcOaqX6q1R"
version = "0.01"
created = "2019/11/24"
product = "windows"
service = "sysmon"
mitre = "T1486, T1059"
events:
((((re.regex($selection1.target.process.file.full_path, `.*\\socks111atx\.exe`) and re.regex($selection1.principal.process.file.full_path, `.*\\radD8D54\.tmp\.exe`)) or ($selection1.metadata.product_event_type = "1" and re.regex($selection1.target.process.file.full_path, `.*\\regsvr32\.exe`) and (re.regex($selection1.target.process.command_line, `.*\\D5F4\.tmp\.dll`) or re.regex($selection1.target.process.command_line, `.*\\CD2D\.tmp\.dll`)))) or (re.regex($selection1.target.process.command_line, `.*ping 127\.0\.0\.1 && del.*`) and re.regex($selection1.principal.process.file.full_path, `.*\\radD8D54\.tmp\.exe`))) and (re.regex($selection1.target.process.file.full_path, `.*\\notepad\.exe`) and re.regex($selection1.target.process.command_line, `.*\\FILES ENCRYPTED\.txt`)))
condition:
$selection1
} Field Validations
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