Query: Sigma YAML for windows / dns_query
Matching passage: Sigma rule: Detects DNS queries for IP lookup services such as "api.ipify.org" originating from a non browser process.. Logsource: windows / dns_query. Rule: title: Suspicious DNS Query for IP Lookup Service APIs id: ec82e2a5-81ea-4211-a1f8-37a0286df2c2 status: test description: Detects DNS queries for IP lookup services such as "api.ipify.org" originating from a non browser process. references: - https://www.binarydefense.com/analysis-of-hancitor-when-boring-begets-beacon - https://twitter.com/neonprimetime/status/1436376497980428318 - https://www.trendmicro.com/en_us/research/23/e/managed-xdr-investigation-of-ducktail-in-trend-micro-vision-one.html author: Brandon George (blog post), Thomas Patzke date: 2021-07-08 modified: 2024-03-22 tags: - attack.reconnaissance - attack.t1590 logsource: product: windows category: dns_query detection: selection: - QueryName: - www.ip.cn - l2.io - QueryName|contains: - api.2ip.ua - api.bigdatacloud.net - api.ipify.org - bot.whatismyipaddress.com - canireachthe.net - checkip.amazonaws.com - checkip.dyndns.org - curlmyip.com - db-ip.com - edns.ip-api.com - eth0.me - freegeoip.app - geoipy.com - getip.pro - icanhazip.com - ident.me - ifconfig.io - ifconfig.me - ip-api.com - ip.360.cn - ip.anysrc.net - ip.taobao.com - ip.tyk.nu - ipaddressworld.com - ipapi.co - ipconfig.io - ipecho.net - ipinfo.io - ipip.net - ipof.in - ipv4.icanhazip.com - ipv4bot.whatismyipaddress.com - ipv6-test.com - ipwho.is - jsonip.com - myexternalip.com - seeip.org - wgetip.com - whatismyip.akamai.com - whois.pconline.com.cn - wtfismyip.com filter_optional_brave: Image|endswith: \brave.exe filter_optional_chrome: Image: - C:\Program Files\Google\Chrome\Application\chrome.exe - C:\Program Files (x86)\Google\Chrome\Application\chrome.exe filter_optional_firefox: Image: - C:\Program Files\Mozilla Firefox\firefox.exe - C:\Program Files (x86)\Mozilla Firefox\firefox.exe filter_optional_ie: Image: - C:\Program Files (x86)\Internet Explorer\iexplore.exe - C:\Program Files\Internet Explorer\iexplore.exe filter_optional_maxthon: Image|endswith: \maxthon.exe filter_optional_edge_1: - Image|startswith: C:\Program Files (x86)\Microsoft\EdgeWebView\Application\ - Image|endswith: \WindowsApps\MicrosoftEdge.exe - Image: - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe - C:\Program Files\Microsoft\Edge\Application\msedge.exe filter_optional_edge_2: Image|startswith: - C:\Program Files (x86)\Microsoft\EdgeCore\ - C:\Program Files\Microsoft\EdgeCore\ Image|endswith: - \msedge.exe - \msedgewebview2.exe filter_optional_opera: Image|endswith: \opera.exe filter_optional_safari: Image|endswith: \safari.exe filter
Near-miss passage: Sigma rule: Adversaries may install a root certificate on a compromised system to avoid warnings when connecting to adversary contro. Logsource: windows / process_creation. Rule: title: Root Certificate Installed From Susp Locations id: 5f6a601c-2ecb-498b-9c33-660362323afa status: test description: Adversaries may install a root certificate on a compromised system to avoid warnings when connecting to adversary controlled web servers. references: - https://www.microsoft.com/security/blog/2022/09/07/profiling-dev-0270-phosphorus-ransomware-operations/ - https://learn.microsoft.com/en-us/powershell/module/pki/import-certificate?view=windowsserver2022-ps author: Nasreddine Bencherchali (Nextron Systems) date: 2022-09-09 modified: 2023-01-16 tags: - attack.defense-impairment - attack.t1553.004 logsource: category: process_creation product: windows detection: selection: CommandLine|contains|all: - Import-Certificate - ' -FilePath ' - Cert:\LocalMachine\Root CommandLine|contains: - \AppData\Local\Temp\ - :\Windows\TEMP\ - \Desktop\ - \Downloads\ - \Perflogs\ - :\Users\Public\ condition: selection falsepositives: - Unlikely level: high