Query: Sigma YAML for windows / registry_set
Matching passage: Sigma rule: Detects the setting of the environement variable "windir" to a non default value. Attackers often abuse this variable in. Logsource: windows / registry_set. Rule: title: Bypass UAC Using SilentCleanup Task id: 724ea201-6514-4f38-9739-e5973c34f49a status: test description: 'Detects the setting of the environement variable "windir" to a non default value. Attackers often abuse this variable in order to trigger a UAC bypass via the "SilentCleanup" task. The SilentCleanup task located in %windir%\system32\cleanmgr.exe is an auto-elevated task that can be abused to elevate any file with administrator privileges without prompting UAC. ' references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1548.002/T1548.002.md#atomic-test-9---bypass-uac-using-silentcleanup-task - https://www.reddit.com/r/hacking/comments/ajtrws/bypassing_highest_uac_level_windows_810/ - https://www.fortinet.com/blog/threat-research/enter-the-darkgate-new-cryptocurrency-mining-and-ransomware-campaign author: frack113, Nextron Systems date: 2022-01-06 modified: 2024-01-30 tags: - attack.privilege-escalation - attack.t1548.002 logsource: category: registry_set product: windows detection: selection: TargetObject|endswith: \Environment\windir filter_main_default: Details: '%SystemRoot%' condition: selection and not 1 of filter_main_* falsepositives: - Unknown level: high regression_tests_path: regression_data/rules/windows/registry/registry_set/registry_set_bypass_uac_using_silentcleanup_task/info.yml simulation: - type: atomic-red-team name: Bypass UAC using SilentCleanup Task technique: T1548.002 atomic_guid: 28104f8a-4ff1-4582-bcf6-699dce156608
Near-miss passage: Sigma rule: Detects suspicious user agent strings user by hack tools in proxy logs. Logsource: proxy. Rule: title: Hack Tool User Agent id: c42a3073-30fb-48ae-8c99-c23ada84b103 status: test description: Detects suspicious user agent strings user by hack tools in proxy logs references: - https://github.com/fastly/waf_testbed/blob/8bfc406551f3045e418cbaad7596cff8da331dfc/templates/default/scanners-user-agents.data.erb - http://rules.emergingthreats.net/open/snort-2.9.0/rules/emerging-user_agents.rules author: Florian Roth (Nextron Systems) date: 2017-07-08 modified: 2022-07-07 tags: - attack.initial-access - attack.t1190 - attack.credential-access - attack.t1110 logsource: category: proxy detection: selection: c-useragent|contains: - (hydra) - ' arachni/' - ' BFAC ' - ' brutus ' - ' cgichk ' - core-project/1.0 - ' crimscanner/' - datacha0s - dirbuster - domino hunter - dotdotpwn - FHScan Core - floodgate - get-minimal - gootkit auto-rooter scanner - grendel-scan - ' inspath ' - internet ninja - jaascois - ' zmeu ' - masscan - ' metis ' - morfeus fucking scanner - n-stealth - nsauditor - pmafind - security scan - springenwerk - teh forest lobster - toata dragostea - ' vega/' - voideye - webshag - webvulnscan - ' whcc/' - ' Havij' - absinthe - bsqlbf - mysqloit - pangolin - sql power injector - sqlmap - sqlninja - uil2pn - ruler - Mozilla/5.0 (Windows; U; Windows NT 5.1; pt-PT; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 (.NET CLR 3.5.30729) condition: selection falsepositives: - Unknown level: high