msiexec_web_install

rule msiexec_web_install {
 meta:
    author = "Florian Roth"
    description = "Detects suspicious msiexec process starts with web addreses as parameter  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/T5M5JJ1YfyiQ"
    version = "0.01"
    created = "2018/02/09"
    category = "process_creation"
    product = "windows"
    mitre = "defense_evasion, t1218.007, command_and_control, t1105"

  events:
(re.regex($selection.target.process.command_line, `.* msiexec.*://.*`) and ($selection.metadata.product_event_type = "4688" or $selection.metadata.product_event_type = "1"))

  condition:
    $selection
}