Query: detection rule: Detects AdFind execution with common flags seen used during attacks
Matching passage: Sigma rule: Detects AdFind execution with common flags seen used during attacks. Logsource: windows / process_creation. Rule: title: PUA - AdFind Suspicious Execution id: 9a132afa-654e-11eb-ae93-0242ac130002 related: - id: 455b9d50-15a1-4b99-853f-8d37655a4c1b type: similar - id: 75df3b17-8bcc-4565-b89b-c9898acef911 type: obsolete status: test description: Detects AdFind execution with common flags seen used during attacks references: - https://www.joeware.net/freetools/tools/adfind/ - https://thedfirreport.com/2020/05/08/adfind-recon/ - https://thedfirreport.com/2021/01/11/trickbot-still-alive-and-well/ - https://www.microsoft.com/security/blog/2021/01/20/deep-dive-into-the-solorigate-second-stage-activation-from-sunburst-to-teardrop-and-raindrop/ - https://social.technet.microsoft.com/wiki/contents/articles/7535.adfind-command-examples.aspx - https://github.com/center-for-threat-informed-defense/adversary_emulation_library/blob/bf62ece1c679b07b5fb49c4bae947fe24c81811f/fin6/Emulation_Plan/Phase1.md - https://github.com/redcanaryco/atomic-red-team/blob/0f229c0e42bfe7ca736a14023836d65baa941ed2/atomics/T1087.002/T1087.002.md#atomic-test-7---adfind---enumerate-active-directory-user-objects author: Janantha Marasinghe (https://github.com/blueteam0ps), FPT.EagleEye Team, omkar72, oscd.community date: 2021-02-02 modified: 2025-10-24 tags: - attack.discovery - attack.t1018 - attack.t1087.002 - attack.t1482 - attack.t1069.002 - stp.1u logsource: category: process_creation product: windows detection: selection: CommandLine|contains: - domainlist - trustdmp - dcmodes - adinfo - -sc dclist - computer_pwdnotreqd - objectcategory= - -subnets -f - name="Domain Admins" - '-sc u:' - domainncs - dompol - ' oudmp ' - subnetdmp - gpodmp - fspdmp - users_noexpire - computers_active - computers_pwdnotreqd condition: selection falsepositives: - Legitimate admin activity level: high regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_pua_adfind_susp_usage/info.yml simulation: - type: atomic-red-team name: Adfind - Enumerate Active Directory Computer Objects technique: T1018 atomic_guid: a889f5be-2d54-4050-bd05-884578748bb4 - type: atomic-red-team name: Adfind - Enumerate Active Directory Domain Controller Objects technique: T1018 atomic_guid: 5838c31e-a0e2-4b9f-b60a-d79d2cb7995e
Near-miss passage: Sigma rule: Detects suspicious user agent strings used by malware in proxy logs. Logsource: proxy. Rule: title: Malware User Agent id: 5c84856b-55a5-45f1-826f-13f37250cf4e status: test description: Detects suspicious user agent strings used by malware in proxy logs references: - http://rules.emergingthreats.net/open/snort-2.9.0/rules/emerging-user_agents.rules - http://www.botopedia.org/search?searchword=scan&searchphrase=all - https://networkraptor.blogspot.com/2015/01/user-agent-strings.html - https://perishablepress.com/blacklist/ua-2013.txt - https://www.bluecoat.com/en-gb/security-blog/2015-05-05/know-your-agents - https://twitter.com/kladblokje_88/status/1614673320124743681?s=12&t=joEpeVa5d58aHYNGA_To7Q - https://pbs.twimg.com/media/FtYbfsDXoAQ1Y8M?format=jpg&name=large - https://twitter.com/crep1x/status/1635034100213112833 author: Florian Roth (Nextron Systems), X__Junior (Nextron Systems), Nasreddine Bencherchali (Nextron Systems) date: 2017-07-08 modified: 2024-04-14 tags: - attack.command-and-control - attack.t1071.001 logsource: category: proxy detection: selection: c-useragent: - Mozilla/5.0 (Windows NT 6.1; WOW64; rv:53.0) Gecko/20100101 Chrome /53.0 - Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1) - Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0) - Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322) - HttpBrowser/1.0 - '*<|>*' - nsis_inetc (mozilla) - Wget/1.9+cvs-stable (Red Hat modified) - Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; .NET CLR 1.1.4322) - '*zeroup*' - Mozilla/5.0 (Windows NT 5.1 ; v.* - '* adlib/*' - '* tiny' - '* BGroom *' - '* changhuatong' - '* CholTBAgent' - Mozilla/5.0 WinInet - RookIE/1.0 - M - Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0) - Mozilla/4.0 (compatible;MSIE 7.0;Windows NT 6.0) - backdoorbot - Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.1 (.NET CLR 3.5.30731) - Opera/8.81 (Windows NT 6.0; U; en) - Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.1 (.NET CLR 3.5.30729) - Opera - Mozilla/4.0 (compatible; MSIE 5.0; Windows 98) - Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0) - MSIE - '*(Charon; Inferno)' - Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/5.0) - Mozilla/4.0 (compatible; MSIE 6.1; Windows NT) - Mozilla/4.0(compatible; MSIE 6.0; Windows NT 5.1) - Mozilla/5.0 (Windows NT 10.0; Win64; x64) - Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0; Win64; x64) - Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Win64; x64) - Mozilla/4.0