Query: alert when Detects when attackers or tools disable Windows Defender functionalities via the Windows registry
Matching passage: Sigma rule: Detects when attackers or tools disable Windows Defender functionalities via the Windows registry. Logsource: windows / registry_set. Rule: title: Disable Windows Defender Functionalities Via Registry Keys id: 0eb46774-f1ab-4a74-8238-1155855f2263 related: - id: a64e4198-c1c8-46a5-bc9c-324c86455fd4 type: obsolete - id: fd115e64-97c7-491f-951c-fc8da7e042fa type: obsolete status: test description: Detects when attackers or tools disable Windows Defender functionalities via the Windows registry references: - https://thedfirreport.com/2021/10/18/icedid-to-xinglocker-ransomware-in-24-hours/ - https://gist.github.com/anadr/7465a9fde63d41341136949f14c21105 - https://admx.help/?Category=Windows_7_2008R2&Policy=Microsoft.Policies.WindowsDefender::SpyNetReporting - https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/ransomware-hive-conti-avoslocker - https://www.tenforums.com/tutorials/32236-enable-disable-microsoft-defender-pua-protection-windows-10-a.html - https://www.tenforums.com/tutorials/105533-enable-disable-windows-defender-exploit-protection-settings.html - https://www.tenforums.com/tutorials/123792-turn-off-tamper-protection-microsoft-defender-antivirus.html - https://securelist.com/key-group-ransomware-samples-and-telegram-schemes/114025/ author: AlertIQ, Ján Trenčanský, frack113, Nasreddine Bencherchali, Swachchhanda Shrawan Poudel date: 2022-08-01 modified: 2024-10-07 tags: - attack.defense-impairment - attack.t1685 logsource: product: windows category: registry_set detection: selection_main: TargetObject|contains: - \SOFTWARE\Microsoft\Windows Defender\ - \SOFTWARE\Policies\Microsoft\Windows Defender Security Center\ - \SOFTWARE\Policies\Microsoft\Windows Defender\ selection_dword_1: TargetObject|endswith: - \DisableAntiSpyware - \DisableAntiVirus - \DisableBehaviorMonitoring - \DisableBlockAtFirstSeen - \DisableEnhancedNotifications - \DisableIntrusionPreventionSystem - \DisableIOAVProtection - \DisableOnAccessProtection - \DisableRealtimeMonitoring - \DisableScanOnRealtimeEnable - \DisableScriptScanning Details: DWORD (0x00000001) selection_dword_0: TargetObject|endswith: - \DisallowExploitProtectionOverride - \Features\TamperProtection - \MpEngine\MpEnablePus - \PUAProtection - \Signature Update\ForceUpdateFromMU - \SpyNet\SpynetReporting - \SpyNet\SubmitSamplesConsent - \Windows Defender Exploit Guard\Controlled Folder Access\EnableControlledFolderAccess Details: DWORD (0x00000000) filter_optional_symantec: Image|startswith: C:\Program Files\Symantec\Symantec Endpoint Protection\ Image|endswith: \sepWscSvc64.exe condition: selection_main and 1 of selection_dword_*
Near-miss passage: Sigma rule: Detects known hacktool execution based on image name.. Logsource: linux / process_creation. Rule: title: Linux HackTool Execution id: a015e032-146d-4717-8944-7a1884122111 status: test description: Detects known hacktool execution based on image name. references: - https://github.com/Gui774ume/ebpfkit - https://github.com/pathtofile/bad-bpf - https://github.com/carlospolop/PEASS-ng - https://github.com/t3l3machus/hoaxshell - https://github.com/t3l3machus/Villain - https://github.com/HavocFramework/Havoc - https://github.com/1N3/Sn1per - https://github.com/Ne0nd0g/merlin - https://github.com/Pennyw0rth/NetExec/ author: Nasreddine Bencherchali (Nextron Systems), Georg Lauenstein (sure[secure]) date: 2023-01-03 modified: 2024-09-19 tags: - attack.execution - attack.resource-development - attack.t1587 logsource: product: linux category: process_creation detection: selection_c2_frameworks: Image|endswith: - /crackmapexec - /havoc - /merlin-agent - /merlinServer-Linux-x64 - /msfconsole - /msfvenom - /ps-empire server - /ps-empire - /sliver-client - /sliver-server - /Villain.py selection_c2_framework_cobaltstrike: Image|contains: - /cobaltstrike - /teamserver selection_scanners: Image|endswith: - /autorecon - /httpx - /legion - /naabu - /netdiscover - /nuclei - /recon-ng selection_scanners_sniper: Image|contains: /sniper selection_web_enum: Image|endswith: - /dirb - /dirbuster - /eyewitness - /feroxbuster - /ffuf - /gobuster - /wfuzz - /whatweb selection_web_vuln: Image|endswith: - /joomscan - /nikto - /wpscan selection_exploit_tools: Image|endswith: - /aircrack-ng - /bloodhound-python - /bpfdos - /ebpfki - /evil-winrm - /hashcat - /hoaxshell.py - /hydra - /john - /ncrack - /nxc-ubuntu-latest - /pidhide - /pspy32 - /pspy32s - /pspy64 - /pspy64s - /setoolkit - /sqlmap - /writeblocker selection_linpeas: Image|contains: /linpeas condition: 1 of selection_* falsepositives: - Unlikely level: high