Query: detect Detects programs that connect to known malware callback ports based on threat intelligence reports. in logs
Matching passage: Sigma rule: Detects programs that connect to known malware callback ports based on threat intelligence reports.. Logsource: linux / network_connection. Rule: title: Potentially Suspicious Malware Callback Communication - Linux id: dbfc7c98-04ab-4ab7-aa94-c74d22aa7376 related: - id: 4b89abaa-99fe-4232-afdd-8f9aa4d20382 type: derived status: test description: 'Detects programs that connect to known malware callback ports based on threat intelligence reports. ' references: - https://www.mandiant.com/resources/blog/triton-actor-ttp-profile-custom-attack-tools-detections - https://www.mandiant.com/resources/blog/ukraine-and-sandworm-team - https://www.elastic.co/guide/en/security/current/potential-non-standard-port-ssh-connection.html - https://thehackernews.com/2024/01/systembc-malwares-c2-server-analysis.html - https://www.cybereason.com/blog/sliver-c2-leveraged-by-many-threat-actors author: hasselj date: 2024-05-10 tags: - attack.persistence - attack.command-and-control - attack.t1571 logsource: category: network_connection product: linux detection: selection: Initiated: 'true' DestinationPort: - 888 - 999 - 2200 - 2222 - 4000 - 4444 - 6789 - 8531 - 50501 - 51820 filter_main_local_ranges: DestinationIp|cidr: - 127.0.0.0/8 - 10.0.0.0/8 - 172.16.0.0/12 - 192.168.0.0/16 - 169.254.0.0/16 - ::1/128 - fe80::/10 - fc00::/7 condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: high
Near-miss 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