a_variant_of_data_stealer_trojan_activity

Description

This rule detects a stealer behaviour. Malware deletes itself License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md.

Query · yara_l

events:
((re.regex($selection.target.process.file.full_path, `.*/ralord\.exe`) or re.regex($selection.target.process.file.full_path, `.*/lodron\.exe`) or re.regex($selection.target.process.file.full_path, `.*/019\.exe`) or re.regex($selection.target.process.file.full_path, `.*/016\.exe`)) and (re.regex($selection.principal.process.file.full_path, `.*/setup_file\.exe`) or re.regex($selection.principal.process.file.full_path, `.*/setup_installer\.exe`)))

  condition:
    $selection
Raw source a_variant_of_data_stealer_trojan_activity · YARA-L
Esc
Published by chronicle/detection-rules ↗, licensed under Apache 2.0 ↗. Reproduced here unmodified. 
rule a_variant_of_data_stealer_trojan_activity {
 meta:
    author = "Emir Erdogan"
    description = "This rule detects a stealer behaviour. Malware deletes itself  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/f9ZYj4C5CNBg"
    version = "0.01"
    created = "2021-03-09"
    product = "windows"
    service = "sysmon"
    mitre = "T1129, T1003, T1114, T1012, T1107"

  events:
((re.regex($selection.target.process.file.full_path, `.*/ralord\.exe`) or re.regex($selection.target.process.file.full_path, `.*/lodron\.exe`) or re.regex($selection.target.process.file.full_path, `.*/019\.exe`) or re.regex($selection.target.process.file.full_path, `.*/016\.exe`)) and (re.regex($selection.principal.process.file.full_path, `.*/setup_file\.exe`) or re.regex($selection.principal.process.file.full_path, `.*/setup_installer\.exe`)))

  condition:
    $selection
}

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