gelup_malware_detector_sysmon_behavior

rule gelup_malware_detector_sysmon_behavior {
 meta:
    author = "Lee Archinal"
    description = "This content detects charactaristics that are attributed to the Gelup Malware Strain  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/pduGTj1ALZA4"
    version = "0.01"
    created = "2019/07/05"
    product = "windows"
    service = "sysmon"
    mitre = "defense_evasion, persistence, execution, privilege_escalation, t1045, t1106, t1053"

  events:
(($selection1.metadata.product_event_type = "11" and ($selection1.target.file.full_path = "C:\\Windows \\System32\\propsys.dll" or $selection1.target.file.full_path = "C:\\Windows \\System32\\ComputerDefaults.exe" or re.regex($selection1.target.file.full_path, `C:\\Users.*\\AppData\\Roaming\\MSOCache.*\.xml`) or re.regex($selection1.target.file.full_path, `C:\\Users.*\\AppData\\Local\\Temp\\tmpaddon_bak`) or re.regex($selection1.target.file.full_path, `.*schetasks\.exe`) or $selection1.target.file.full_path = "C:\\Windows\\api.config")) or ($selection1.metadata.product_event_type = "1" and re.regex($selection1.target.process.file.full_path, `.*schetasks\.exe`) and re.regex($selection1.target.process.command_line, `schetasks\.exe /create /rl highest /tn .* /sc logon /tr C:\\$Recycle\.Bin.*.*\.lnk`)))

  condition:
    $selection1
}