Query: alert when Detects execution of "tar.exe" in order to create a compressed file. Adversaries may abuse various utilities to compress
Matching passage: Sigma rule: Detects execution of "tar.exe" in order to create a compressed file. Adversaries may abuse various utilities to compress. Logsource: windows / process_creation. Rule: title: Compressed File Creation Via Tar.EXE id: 418a3163-3247-4b7b-9933-dcfcb7c52ea9 status: test description: 'Detects execution of "tar.exe" in order to create a compressed file. Adversaries may abuse various utilities to compress or encrypt data before exfiltration. ' references: - https://unit42.paloaltonetworks.com/chromeloader-malware/ - https://lolbas-project.github.io/lolbas/Binaries/Tar/ - https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/cicada-apt10-japan-espionage author: Nasreddine Bencherchali (Nextron Systems), AdmU3 date: 2023-12-19 tags: - attack.collection - attack.exfiltration - attack.t1560 - attack.t1560.001 logsource: product: windows category: process_creation detection: selection_img: - Image|endswith: \tar.exe - OriginalFileName: bsdtar selection_create: CommandLine|contains: - -c - -r - -u condition: all of selection_* falsepositives: - Likely level: low
Near-miss passage: Sigma rule: Attempting to disable scheduled scanning and other parts of Windows Defender ATP or set default actions to allow.. Logsource: windows / ps_classic_provider_start. Rule: title: Tamper Windows Defender - PSClassic id: ec19ebab-72dc-40e1-9728-4c0b805d722c related: - id: 14c71865-6cd3-44ae-adaa-1db923fae5f2 type: similar status: test description: Attempting to disable scheduled scanning and other parts of Windows Defender ATP or set default actions to allow. references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md author: frack113, Nasreddine Bencherchali (Nextron Systems) date: 2021-06-07 modified: 2024-01-02 tags: - attack.defense-impairment - attack.t1685 logsource: product: windows category: ps_classic_provider_start detection: selection_set_mppreference: Data|contains: Set-MpPreference selection_options_bool_allow: Data|contains: - -dbaf $true - -dbaf 1 - -dbm $true - -dbm 1 - -dips $true - -dips 1 - -DisableArchiveScanning $true - -DisableArchiveScanning 1 - -DisableBehaviorMonitoring $true - -DisableBehaviorMonitoring 1 - -DisableBlockAtFirstSeen $true - -DisableBlockAtFirstSeen 1 - -DisableCatchupFullScan $true - -DisableCatchupFullScan 1 - -DisableCatchupQuickScan $true - -DisableCatchupQuickScan 1 - -DisableIntrusionPreventionSystem $true - -DisableIntrusionPreventionSystem 1 - -DisableIOAVProtection $true - -DisableIOAVProtection 1 - -DisableRealtimeMonitoring $true - -DisableRealtimeMonitoring 1 - -DisableRemovableDriveScanning $true - -DisableRemovableDriveScanning 1 - -DisableScanningMappedNetworkDrivesForFullScan $true - -DisableScanningMappedNetworkDrivesForFullScan 1 - -DisableScanningNetworkFiles $true - -DisableScanningNetworkFiles 1 - -DisableScriptScanning $true - -DisableScriptScanning 1 - -MAPSReporting $false - -MAPSReporting 0 - -drdsc $true - -drdsc 1 - -drtm $true - -drtm 1 - -dscrptsc $true - -dscrptsc 1 - -dsmndf $true - -dsmndf 1 - -dsnf $true - -dsnf 1 - -dss $true - -dss 1 selection_options_actions_func: Data|contains: - HighThreatDefaultAction Allow - htdefac Allow - LowThreatDefaultAction Allow - ltdefac Allow - ModerateThreatDefaultAction Allow - mtdefac Allow - SevereThreatDefaultAction Allow - stdefac Allow condition: selection_set_mppreference and 1 of selection_options_* falsepositives: - Legitimate PowerShell scripts that disable Windows Defender for troubleshooting purposes. Must be investigated. level: high