fireeye_red_team_tool__g2js_suspicious_process_tree

rule fireeye_red_team_tool__g2js_suspicious_process_tree {
 meta:
    author = "Sittikorn S, FireEye"
    description = "This rule has been ported from Fireeye's HXIOC format to SIGMA. It detects the Fireeye tool GadgetToJScript(G2JS).  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/2CudqsJPVCUh"
    version = "0.01"
    created = "2020/12/11"
    category = "process_creation"
    product = "windows"
    mitre = "execution, defense_evasion, t1218.005, t1059"

  events:
((re.regex($selection.target.process.file.full_path, `.*userinit\.exe.*`) or re.regex($selection.target.process.file.full_path, `.*colorcpl\.exe.*`)) and (re.regex($selection.principal.process.file.full_path, `.*mshta\.exe.*`) or re.regex($selection.principal.process.file.full_path, `.*cscript\.exe.*`) or re.regex($selection.principal.process.file.full_path, `.*wscript\.exe.*`)) and ($selection.metadata.product_event_type = "4688" or $selection.metadata.product_event_type = "1"))

  condition:
    $selection
}