antivirus_web_shell_detection

rule antivirus_web_shell_detection {
 meta:
    author = "Florian Roth"
    description = "Detects a highly relevant Antivirus alert that reports a web shell  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/NFNBlkuPv7R5"
    version = "0.01"
    created = "2018/09/09"
    product = "antivirus"
    mitre = "persistence, t1100"

  events:
(re.regex($selection.target.registry.registry_value_data, `PHP/Backdoor.*`) or re.regex($selection.target.registry.registry_value_data, `JSP/Backdoor.*`) or re.regex($selection.target.registry.registry_value_data, `ASP/Backdoor.*`) or re.regex($selection.target.registry.registry_value_data, `Backdoor\.PHP.*`) or re.regex($selection.target.registry.registry_value_data, `Backdoor\.JSP.*`) or re.regex($selection.target.registry.registry_value_data, `Backdoor\.ASP.*`) or re.regex($selection.target.registry.registry_value_data, `.*Webshell.*`))

  condition:
    $selection
}