APT41 file hash indicators
SIGhighconfidence 72/100generated 2026-10-18
Any of 1 high-confidence file hash indicators skopnix attributes to APT41.
- Linked actors
- APT41
- False positives
- Every value is a skopnix indicator tied to APT41 with confidence >= 72 from >= 2 independent sources, warninglist-clean (reserved / CDN / cloud / scanners / top sites) — re-validate against last_seen before blocking.
Sigma rule
skopnix-sigma-actor-apt41-hash-19df05e8.ymldownload .yml ↓title: Skopnix - APT41 file hash indicators
id: 83a276bc-4664-5357-8a45-1c0dbb1ff117
status: experimental
description: Any of 1 high-confidence file hash indicators skopnix attributes to APT41.
references:
- https://skopnix.com/actors/apt41
author: skopnix
date: '2026-10-18'
tags:
- attack.execution
- attack.t1204.002
logsource:
category: process_creation
product: windows
detection:
selection:
Hashes|contains:
- SHA256=6943FBB194317D344CA9911B7ABB11B684D3DCA4C29ADCBCFF39291822902167
condition: selection
falsepositives:
- Legitimate services sharing the address; verify against skopnix confidence + last_seen
level: high
How to deploy on Sigma
- 1.Convert for your SIEM with sigma-cli / pySigma, e.g. sigma convert -t splunk -p sysmon rule.yml.
- 2.Run it as a hunt first: every rule ships as status experimental.
- 3.Promote to an alert once a week of results is clean on your data.
Check · The processing pipeline must map the logsource (firewall, dns, proxy, webserver, process_creation) to your field names.