Query: write Sigma for Detects the dual use tool ADExplorer writing a complete AD snapshot into a .dat file. This can be used by attackers to e
Matching passage: Sigma rule: Detects the dual use tool ADExplorer writing a complete AD snapshot into a .dat file. This can be used by attackers to e. Logsource: windows / file_event. Rule: title: ADExplorer Writing Complete AD Snapshot Into .dat File id: 0a1255c5-d732-4b62-ac02-b5152d34fb83 related: - id: 9212f354-7775-4e28-9c9f-8f0a4544e664 type: similar status: experimental description: Detects the dual use tool ADExplorer writing a complete AD snapshot into a .dat file. This can be used by attackers to extract data for Bloodhound, usernames for password spraying or use the meta data for social engineering. The snapshot doesn't contain password hashes but there have been cases, where administrators put passwords in the comment field. references: - https://learn.microsoft.com/de-de/sysinternals/downloads/adexplorer - https://github.com/c3c/ADExplorerSnapshot.py/tree/f700904defac330802bbfedd1d8ffd9248f4ee24 - https://www.packetlabs.net/posts/scattered-spider-is-a-young-ransomware-gang-exploiting-large-corporations/ - https://www.nccgroup.com/us/research-blog/lapsus-recent-techniques-tactics-and-procedures/ - https://trustedsec.com/blog/adexplorer-on-engagements author: Arnim Rupp (Nextron Systems), Thomas Patzke date: 2025-07-09 tags: - attack.discovery - attack.t1087.002 - attack.t1069.002 - attack.t1482 logsource: category: file_event product: windows detection: selection: Image|endswith: - \ADExp.exe - \ADExplorer.exe - \ADExplorer64.exe - \ADExplorer64a.exe TargetFilename|endswith: .dat condition: selection falsepositives: - Legitimate use of ADExplorer by administrators creating .dat snapshots level: medium
Near-miss passage: Sigma rule: Detects dropped files with double extensions, which is often used by malware as a method to abuse the fact that Windows. Logsource: windows / file_event. Rule: title: Suspicious Double Extension Files id: b4926b47-a9d7-434c-b3a0-adc3fa0bd13e related: - id: 1cdd9a09-06c9-4769-99ff-626e2b3991b8 type: derived - id: 3215aa19-f060-4332-86d5-5602511f3ca8 type: similar status: test description: Detects dropped files with double extensions, which is often used by malware as a method to abuse the fact that Windows hide default extensions by default. references: - https://www.crowdstrike.com/blog/meet-crowdstrikes-adversary-of-the-month-for-june-mustang-panda/ - https://www.anomali.com/blog/china-based-apt-mustang-panda-targets-minority-groups-public-and-private-sector-organizations - https://www.cybereason.com/blog/research/a-bazar-of-tricks-following-team9s-development-cycles - https://twitter.com/malwrhunterteam/status/1235135745611960321 - https://twitter.com/luc4m/status/1073181154126254080 - https://cloud.google.com/blog/topics/threat-intelligence/cybercriminals-weaponize-fake-ai-websites - https://vipre.com/blog/svg-phishing-attacks-the-new-trick-in-the-cybercriminals-playbook/ author: Nasreddine Bencherchali (Nextron Systems), frack113 date: 2022-06-19 modified: 2026-03-31 tags: - attack.stealth - attack.t1036.007 logsource: category: file_event product: windows detection: selection_gen: TargetFilename|endswith: - .exe - .iso - .rar - .svg - .zip TargetFilename|contains: - .doc. - .docx. - .gif. - .jpeg. - .jpg. - .mp3. - .mp4. - .pdf. - .png. - .ppt. - .pptx. - .rtf. - .svg. - .txt. - .xls. - .xlsx. selection_exe: TargetFilename|endswith: - .rar.exe - .zip.exe filter_icons_linux: TargetFilename|startswith: /usr/share/icons/ condition: 1 of selection_* and not 1 of filter_* falsepositives: - Unlikely level: high