Query: rule covering Detects SSTI attempts sent via GET requests in access logs
Matching passage: Sigma rule: Detects SSTI attempts sent via GET requests in access logs. Logsource: webserver. Rule: title: Server Side Template Injection Strings id: ada3bc4f-f0fd-42b9-ba91-e105e8af7342 status: test description: Detects SSTI attempts sent via GET requests in access logs references: - https://book.hacktricks.xyz/pentesting-web/ssti-server-side-template-injection - https://github.com/payloadbox/ssti-payloads author: Nasreddine Bencherchali (Nextron Systems) date: 2022-06-14 tags: - attack.stealth - attack.t1221 logsource: category: webserver detection: select_method: cs-method: GET keywords: - ={{ - =%7B%7B - =${ - =$%7B - =<%= - =%3C%25= - =@( - freemarker.template.utility.Execute - .getClass().forName('javax.script.ScriptEngineManager') - T(org.apache.commons.io.IOUtils) filter: sc-status: 404 condition: select_method and keywords and not filter falsepositives: - User searches in search boxes of the respective website - Internal vulnerability scanners can cause some serious FPs when used, if you experience a lot of FPs due to this think of adding more filters such as "User Agent" strings and more response codes level: high
Near-miss 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