possible_impacketobfuscation_wmiexec_or_smbexec_utility_via_cmdline

rule possible_impacketobfuscation_wmiexec_or_smbexec_utility_via_cmdline {
 meta:
    author = "SOC Prime Team, Fireeye"
    description = "Impacket-Obfuscation is a slightly obfuscated version of the open source Impacket framework. This IOC looks for artifacts from the execution of SMBEXEC/WMIEXEC python script which is part of Impacket-Obfuscation framework.  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/OzLZ6gLruXjQ"
    version = "0.01"
    created = "2021-03-09"
    category = "process_creation"
    product = "windows"
    mitre = "persistence, privilege_escalation, execution, lateral_movement, t1047, t1021.002, t1543.003"

  events:
(($selection1.metadata.product_event_type = "4688" or $selection1.metadata.product_event_type = "1") and ((re.regex($selection1.target.process.command_line, `.*cmd.*`) and re.regex($selection1.target.process.command_line, `.*/K.*`) and re.regex($selection1.target.process.command_line, `.*/Q.*`)) or (re.regex($selection1.target.process.command_line, `.*/q.*`) or re.regex($selection1.target.process.command_line, `.*/K.*`) or re.regex($selection1.target.process.command_line, `.*echo.*`) or re.regex($selection1.target.process.command_line, `.*%CoMSpEC%.*`))))

  condition:
    $selection1
}