Query: detection rule: Detects the execution of WMIC with the "format" flag to potentially load local XSL files. Adversaries abuse this functio
Matching passage: Sigma rule: Detects the execution of WMIC with the "format" flag to potentially load local XSL files. Adversaries abuse this functio. Logsource: windows / process_creation. Rule: title: XSL Script Execution Via WMIC.EXE id: 05c36dd6-79d6-4a9a-97da-3db20298ab2d related: - id: 06ce37c2-61ab-4f05-9ff5-b1a96d18ae32 type: similar - id: 8d63dadf-b91b-4187-87b6-34a1114577ea type: similar status: test description: 'Detects the execution of WMIC with the "format" flag to potentially load local XSL files. Adversaries abuse this functionality to execute arbitrary files while potentially bypassing application whitelisting defenses. Extensible Stylesheet Language (XSL) files are commonly used to describe the processing and rendering of data within XML files. ' references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1220/T1220.md author: Timur Zinniatullin, oscd.community, Swachchhanda Shrawan Poudel date: 2019-10-21 modified: 2026-01-24 tags: - attack.stealth - attack.t1047 - attack.t1220 - attack.execution - attack.t1059.005 - attack.t1059.007 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \wmic.exe - OriginalFileName: wmic.exe - Hashes|contains: - IMPHASH=1B1A3F43BF37B5BFE60751F2EE2F326E - IMPHASH=37777A96245A3C74EB217308F3546F4C - IMPHASH=9D87C9D67CE724033C0B40CC4CA1B206 - IMPHASH=B12619881D79C3ACADF45E752A58554A - IMPHASH=16A48C3CABF98A9DC1BF02C07FE1EA00 selection_cmd: CommandLine|contains|windash: '-format:' filter_main_known_format: CommandLine|contains: - Format:List - Format:htable - Format:hform - Format:table - Format:mof - Format:value - Format:rawxml - Format:xml - Format:csv filter_main_remote_operation: CommandLine|contains: - :// - \\\\ condition: all of selection_* and not 1 of filter_main_* falsepositives: - WMIC.exe FP depend on scripts and administrative methods used in the monitored environment. - Static format arguments - https://petri.com/command-line-wmi-part-3 level: medium
Near-miss passage: Sigma rule: Detects connections from routable IPs to an RDP listener. Which is indicative of a publicly-accessible RDP service.. Logsource: zeek / rdp. Rule: title: Publicly Accessible RDP Service id: 1fc0809e-06bf-4de3-ad52-25e5263b7623 status: test description: 'Detects connections from routable IPs to an RDP listener. Which is indicative of a publicly-accessible RDP service. ' author: Josh Brower @DefensiveDepth date: 2020-08-22 modified: 2024-03-13 tags: - attack.lateral-movement - attack.t1021.001 logsource: product: zeek service: rdp detection: selection: id.orig_h|cidr: - ::1/128 - 10.0.0.0/8 - 127.0.0.0/8 - 172.16.0.0/12 - 192.168.0.0/16 - 169.254.0.0/16 - 2620:83:8000::/48 - fc00::/7 - fe80::/10 condition: not selection falsepositives: - Although it is recommended to NOT have RDP exposed to the internet, verify that this is a) allowed b) the server has not already been compromised via some brute force or remote exploit since it has been exposed to the internet. Work to secure the server if you are unable to remove it from being exposed to the internet. level: high