{"id":"065cceea-77ec-4030-9052-fc0affea7110","title":"DNS Query for Anonfiles.com Domain - Sysmon","description":"Detects DNS queries for \"anonfiles.com\", which is an anonymous file upload platform often used for malicious purposes","author":"pH-T (Nextron Systems)","status":"test","level":"high","date":"2022-07-15","modified":"2023-01-16","tags":["attack.exfiltration","attack.t1567.002"],"technique_ids":["T1567.002"],"logsource":{"product":"windows","category":"dns_query"},"falsepositives":["Rare legitimate access to anonfiles.com"],"references":["https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-blackbyte"],"source_path":"rules/windows/dns_query/dns_query_win_anonymfiles_com.yml","source_sha256":"6a01c2c6a1bb6affc5c3d40aa7b2b7f4640e899244c45e8c75911ad562970131","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/dns_query/dns_query_win_anonymfiles_com.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: DNS Query for Anonfiles.com Domain - Sysmon\nid: 065cceea-77ec-4030-9052-fc0affea7110\nrelated:\n    - id: 29f171d7-aa47-42c7-9c7b-3c87938164d9\n      type: similar\nstatus: test\ndescription: Detects DNS queries for \"anonfiles.com\", which is an anonymous file upload platform often used for malicious purposes\nreferences:\n    - https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-blackbyte\nauthor: pH-T (Nextron Systems)\ndate: 2022-07-15\nmodified: 2023-01-16\ntags:\n    - attack.exfiltration\n    - attack.t1567.002\nlogsource:\n    product: windows\n    category: dns_query\ndetection:\n    selection:\n        QueryName|contains: '.anonfiles.com'\n    condition: selection\nfalsepositives:\n    - Rare legitimate access to anonfiles.com\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1567.002","id":"T1567.002","name":"Exfiltration to Cloud Storage","page":"techniques/enterprise/T1567.002/"}],"data_path":"data/detection-rules/065cceea-77ec-4030-9052-fc0affea7110.json","kind":"sigma"}