Query: alert when Detects the deletion of an AWS SAML provider, potentially indicating malicious intent to disrupt administrative or secur
Matching passage: Sigma rule: Detects the deletion of an AWS SAML provider, potentially indicating malicious intent to disrupt administrative or secur. Logsource: aws / cloudtrail. Rule: title: AWS SAML Provider Deletion Activity id: ccd6a6c8-bb4e-4a91-9d2a-07e632819374 status: experimental description: 'Detects the deletion of an AWS SAML provider, potentially indicating malicious intent to disrupt administrative or security team access. An attacker can remove the SAML provider for the information security team or a team of system administrators, to make it difficult for them to work and investigate at the time of the attack and after it. ' references: - https://docs.aws.amazon.com/IAM/latest/APIReference/API_DeleteSAMLProvider.html author: Ivan Saakov date: 2024-12-19 tags: - attack.stealth - attack.t1078.004 - attack.privilege-escalation - attack.initial-access - attack.persistence - attack.t1531 - attack.impact logsource: product: aws service: cloudtrail detection: selection: eventSource: iam.amazonaws.com eventName: DeleteSAMLProvider status: success condition: selection falsepositives: - Automated processes using tools like Terraform may trigger this alert. - Legitimate administrative actions by authorized system administrators could cause this alert. Verify the user identity, user agent, and hostname to ensure they are expected. - Deletions by unfamiliar users should be investigated. If the behavior is known and expected, it can be exempted from the rule. level: medium
Near-miss passage: Sigma rule: Detects changes to environment variables related to ETW logging via the CommandLine. This could indicate potential adver. Logsource: windows / process_creation. Rule: title: ETW Logging Tamper In .NET Processes Via CommandLine id: 41421f44-58f9-455d-838a-c398859841d4 status: test description: 'Detects changes to environment variables related to ETW logging via the CommandLine. This could indicate potential adversaries stopping ETW providers recording loaded .NET assemblies. ' references: - https://twitter.com/_xpn_/status/1268712093928378368 - https://social.msdn.microsoft.com/Forums/vstudio/en-US/0878832e-39d7-4eaf-8e16-a729c4c40975/what-can-i-use-e13c0d23ccbc4e12931bd9cc2eee27e4-for?forum=clr - https://github.com/dotnet/runtime/blob/ee2355c801d892f2894b0f7b14a20e6cc50e0e54/docs/design/coreclr/jit/viewing-jit-dumps.md#setting-configuration-variables - https://github.com/dotnet/runtime/blob/f62e93416a1799aecc6b0947adad55a0d9870732/src/coreclr/src/inc/clrconfigvalues.h#L35-L38 - https://github.com/dotnet/runtime/blob/7abe42dc1123722ed385218268bb9fe04556e3d3/src/coreclr/src/inc/clrconfig.h#L33-L39 - https://github.com/dotnet/runtime/search?p=1&q=COMPlus_&unscoped_q=COMPlus_ - https://bunnyinside.com/?term=f71e8cb9c76a - http://managed670.rssing.com/chan-5590147/all_p1.html - https://github.com/dotnet/runtime/blob/4f9ae42d861fcb4be2fcd5d3d55d5f227d30e723/docs/coding-guidelines/clr-jit-coding-conventions.md#1412-disabling-code - https://i.blackhat.com/EU-21/Wednesday/EU-21-Teodorescu-Veni-No-Vidi-No-Vici-Attacks-On-ETW-Blind-EDRs.pdf author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) date: 2020-05-02 modified: 2022-12-09 tags: - attack.defense-impairment - attack.t1685 logsource: category: process_creation product: windows detection: selection: CommandLine|contains: - COMPlus_ETWEnabled - COMPlus_ETWFlags condition: selection falsepositives: - Unlikely level: high