Query: write Sigma for Detects potentially suspicious child processes of "Diskshadow.exe". This could be an attempt to bypass parent/child rela
Matching passage: Sigma rule: Detects potentially suspicious child processes of "Diskshadow.exe". This could be an attempt to bypass parent/child rela. Logsource: windows / process_creation. Rule: title: Potentially Suspicious Child Process Of DiskShadow.EXE id: 9f546b25-5f12-4c8d-8532-5893dcb1e4b8 related: - id: fa1a7e52-3d02-435b-81b8-00da14dd66c1 type: similar - id: 1dde5376-a648-492e-9e54-4241dd9b0c7f type: similar - id: 56b1dde8-b274-435f-a73a-fb75eb81262a type: similar - id: 0c2f8629-7129-4a8a-9897-7e0768f13ff2 type: similar status: test description: Detects potentially suspicious child processes of "Diskshadow.exe". This could be an attempt to bypass parent/child relationship detection or application whitelisting rules. references: - https://bohops.com/2018/03/26/diskshadow-the-return-of-vss-evasion-persistence-and-active-directory-database-extraction/ - https://www.ired.team/offensive-security/credential-access-and-credential-dumping/ntds.dit-enumeration - https://medium.com/@cyberjyot/lolbin-execution-via-diskshadow-f6ff681a27a4 - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/diskshadow - https://www.lifars.com/wp-content/uploads/2022/01/GriefRansomware_Whitepaper-2.pdf - https://www.zscaler.com/blogs/security-research/technical-analysis-crytox-ransomware - https://research.checkpoint.com/2022/evilplayout-attack-against-irans-state-broadcaster/ author: Nasreddine Bencherchali (Nextron Systems) date: 2023-09-15 tags: - attack.stealth - attack.t1218 logsource: category: process_creation product: windows detection: selection: ParentImage|endswith: \diskshadow.exe Image|endswith: - \certutil.exe - \cscript.exe - \mshta.exe - \powershell.exe - \pwsh.exe - \regsvr32.exe - \rundll32.exe - \wscript.exe condition: selection falsepositives: - False postitve can occur in cases where admin scripts levreage the "exec" flag to execute applications level: medium
Near-miss passage: Sigma rule: Detects potential DLL side loading of "KeyScramblerIE.dll" by "KeyScrambler.exe". Various threat actors and malware have. Logsource: windows / image_load. Rule: title: Potential DLL Sideloading Of KeyScramblerIE.DLL Via KeyScrambler.EXE id: d2451be2-b582-4e15-8701-4196ac180260 related: - id: ca5583e9-8f80-46ac-ab91-7f314d13b984 type: similar status: test description: 'Detects potential DLL side loading of "KeyScramblerIE.dll" by "KeyScrambler.exe". Various threat actors and malware have been found side loading a masqueraded "KeyScramblerIE.dll" through "KeyScrambler.exe". ' references: - https://thehackernews.com/2024/03/two-chinese-apt-groups-ramp-up-cyber.html - https://csirt-cti.net/2024/02/01/stately-taurus-continued-new-information-on-cyberespionage-attacks-against-myanmar-military-junta/ - https://bazaar.abuse.ch/sample/5cb9876681f78d3ee8a01a5aaa5d38b05ec81edc48b09e3865b75c49a2187831/ - https://twitter.com/Max_Mal_/status/1775222576639291859 - https://twitter.com/DTCERT/status/1712785426895839339 author: Swachchhanda Shrawan Poudel date: 2024-04-15 tags: - attack.persistence - attack.privilege-escalation - attack.execution - attack.stealth - attack.t1574.001 logsource: category: image_load product: windows detection: selection: Image|endswith: - \KeyScrambler.exe - \KeyScramblerLogon.exe ImageLoaded|endswith: \KeyScramblerIE.dll filter_main_legitimate_path: Image|contains: - C:\Program Files (x86)\KeyScrambler\ - C:\Program Files\KeyScrambler\ ImageLoaded|contains: - C:\Program Files (x86)\KeyScrambler\ - C:\Program Files\KeyScrambler\ filter_main_signature: Signature: QFX Software Corporation SignatureStatus: Valid condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: high