Detection rules › Sigma

RottenPotato Like Attack Pattern

Status
test
Severity
high
Log source
product windows, service security
Author
@SBousseaden, Florian Roth
Source
github.com/SigmaHQ/sigma

Detects logon events that have characteristics of events generated during an attack with RottenPotato and the like

MITRE ATT&CK coverage

Telemetry coverage

Rule body

title: RottenPotato Like Attack Pattern
id: 16f5d8ca-44bd-47c8-acbe-6fc95a16c12f
status: test
description: Detects logon events that have characteristics of events generated during an attack with RottenPotato and the like
references:
    - https://twitter.com/SBousseaden/status/1195284233729777665
author: '@SBousseaden, Florian Roth'
date: 2019-11-15
modified: 2022-12-22
tags:
    - attack.collection
    - attack.privilege-escalation
    - attack.credential-access
    - attack.t1557.001
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4624
        LogonType: 3
        TargetUserName: 'ANONYMOUS LOGON'
        WorkstationName: '-'
        IpAddress:
            - '127.0.0.1'
            - '::1'
    condition: selection
falsepositives:
    - Unknown
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID: 4624
    LogonType: 3
    TargetUserName: 'ANONYMOUS LOGON'
    WorkstationName: '-'
    IpAddress:
        - '127.0.0.1'
        - '::1'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
IpAddresseq
  • 127.0.0.1 corpus 6 (sigma 5, kusto 1)
  • ::1 corpus 7 (sigma 6, elastic 1)
field:"src_ip" kind:eq
LogonTypeeq
  • 3 corpus 41 (splunk 13, sigma 12, elastic 9, kusto 7)
field:"LogonType" kind:eq value:"3"
TargetUserNameeq
  • ANONYMOUS LOGON
field:"TargetUserName" kind:eq value:"ANONYMOUS LOGON"
WorkstationNameeq
  • -
field:"WorkstationName" kind:eq value:"-"