Query: Sigma rule for Detects potential DLL side loading of "KeyScramblerIE.dll" by "KeyScrambler.exe". Various threat actors and malware have
Matching 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
Near-miss passage: Sigma rule: Detects execution of "findstr" to search for common names of security tools. Attackers often pipe the results of recon c. Logsource: windows / process_creation. Rule: title: Security Tools Keyword Lookup Via Findstr.EXE id: 4fe074b4-b833-4081-8f24-7dcfeca72b42 related: - id: fe63010f-8823-4864-a96b-a7b4a0f7b929 type: derived status: test description: 'Detects execution of "findstr" to search for common names of security tools. Attackers often pipe the results of recon commands such as "tasklist" or "whoami" to "findstr" in order to filter out the results. This detection focuses on the keywords that the attacker might use as a filter. ' references: - https://github.com/redcanaryco/atomic-red-team/blob/987e3ca988ae3cff4b9f6e388c139c05bf44bbb8/atomics/T1518.001/T1518.001.md#atomic-test-1---security-software-discovery - https://www.microsoft.com/en-us/security/blog/2023/10/18/multiple-north-korean-threat-actors-exploiting-the-teamcity-cve-2023-42793-vulnerability/ - https://www.hhs.gov/sites/default/files/manage-engine-vulnerability-sector-alert-tlpclear.pdf author: Nasreddine Bencherchali (Nextron Systems), frack113 date: 2023-10-20 modified: 2023-11-14 tags: - attack.discovery - attack.t1518.001 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: - \find.exe - \findstr.exe - OriginalFileName: - FIND.EXE - FINDSTR.EXE selection_cli: CommandLine|endswith: - ' avira' - ' avira"' - ' cb' - ' cb"' - ' cylance' - ' cylance"' - ' defender' - ' defender"' - ' kaspersky' - ' kaspersky"' - ' kes' - ' kes"' - ' mc' - ' mc"' - ' sec' - ' sec"' - ' sentinel' - ' sentinel"' - ' symantec' - ' symantec"' - ' virus' - ' virus"' condition: all of selection_* falsepositives: - Unknown level: medium regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_findstr_security_keyword_lookup/info.yml simulation: - type: atomic-red-team name: Security Software Discovery technique: T1518.001 atomic_guid: f92a380f-ced9-491f-b338-95a991418ce2