Query: alert when Adversaries may look for details about the network configuration and settings of systems they access or through informat
Matching passage: Sigma rule: Adversaries may look for details about the network configuration and settings of systems they access or through informat. Logsource: windows / process_creation. Rule: title: HackTool - SharpView Execution id: b2317cfa-4a47-4ead-b3ff-297438c0bc2d related: - id: dcd74b95-3f36-4ed9-9598-0490951643aa type: similar status: test description: Adversaries may look for details about the network configuration and settings of systems they access or through information discovery of remote systems references: - https://github.com/tevora-threat/SharpView/ - https://github.com/PowerShellMafia/PowerSploit/blob/d943001a7defb5e0d1657085a77a0e78609be58f/Recon/PowerView.ps1 - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1049/T1049.md#atomic-test-4---system-discovery-using-sharpview author: frack113 date: 2021-12-10 modified: 2023-02-14 tags: - attack.discovery - attack.t1049 - attack.t1069.002 - attack.t1482 - attack.t1135 - attack.t1033 logsource: category: process_creation product: windows detection: selection: - OriginalFileName: SharpView.exe - Image|endswith: \SharpView.exe - CommandLine|contains: - Add-RemoteConnection - Convert-ADName - ConvertFrom-SID - ConvertFrom-UACValue - Convert-SidToName - Export-PowerViewCSV - Find-DomainObjectPropertyOutlier - Find-DomainProcess - Find-DomainShare - Find-DomainUserEvent - Find-DomainUserLocation - Find-ForeignGroup - Find-ForeignUser - Find-GPOComputerAdmin - Find-GPOLocation - Find-Interesting - Find-LocalAdminAccess - Find-ManagedSecurityGroups - Get-CachedRDPConnection - Get-DFSshare - Get-DomainComputer - Get-DomainController - Get-DomainDFSShare - Get-DomainDNSRecord - Get-DomainFileServer - Get-DomainForeign - Get-DomainGPO - Get-DomainGroup - Get-DomainGUIDMap - Get-DomainManagedSecurityGroup - Get-DomainObject - Get-DomainOU - Get-DomainPolicy - Get-DomainSID - Get-DomainSite - Get-DomainSPNTicket - Get-DomainSubnet - Get-DomainTrust - Get-DomainUserEvent - Get-ForestDomain - Get-ForestGlobalCatalog - Get-ForestTrust - Get-GptTmpl - Get-GroupsXML - Get-LastLoggedOn - Get-LoggedOnLocal - Get-NetComputer - Get-NetDomain - Get-NetFileServer - Get-NetForest - Get-NetGPO - Get-NetGroupMember - Get-NetLocalGroup - Get-NetLoggedon - Get-NetOU - Get-NetProcess - Get-NetRDPSession - Get-NetSession - Get-NetShare - Get-NetSite - Get-NetSubnet - Get-NetUser - Get-PathAcl - Get-PrincipalContext - Get-RegistryMountedDrive - Get-RegLoggedOn - Get-WMIRegCachedRDPConnection - Get-WMIRegLastLoggedOn - Get-WMIRegMountedDrive - Get-WMIRegProxy - Invoke-ACLScanner - Invoke-CheckLocalAdminAccess - Invoke-Kerberoast - Invoke-MapDomainTrust - Invoke
Near-miss passage: Sigma rule: Detects the execution of certutil with the "encode" flag to encode a file to base64 where the files are located in poten. Logsource: windows / process_creation. Rule: title: File In Suspicious Location Encoded To Base64 Via Certutil.EXE id: 82a6714f-4899-4f16-9c1e-9a333544d4c3 related: - id: e62a9f0c-ca1e-46b2-85d5-a6da77f86d1a type: derived status: test description: Detects the execution of certutil with the "encode" flag to encode a file to base64 where the files are located in potentially suspicious locations references: - https://www.virustotal.com/gui/file/35c22725a92d5cb1016b09421c0a6cdbfd860fd4778b3313669b057d4a131cb7/behavior - https://www.virustotal.com/gui/file/427616528b7dbc4a6057ac89eb174a3a90f7abcf3f34e5a359b7a910d82f7a72/behavior - https://www.virustotal.com/gui/file/34de4c8beded481a4084a1fd77855c3e977e8ac643e5c5842d0f15f7f9b9086f/behavior - https://www.virustotal.com/gui/file/4abe1395a09fda06d897a9c4eb247278c1b6cddda5d126ce5b3f4f499e3b8fa2/behavior author: Nasreddine Bencherchali (Nextron Systems) date: 2023-05-15 modified: 2024-03-05 tags: - attack.stealth - attack.t1027 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \certutil.exe - OriginalFileName: CertUtil.exe selection_cli: CommandLine|contains|windash: -encode selection_extension: CommandLine|contains: - \AppData\Roaming\ - \Desktop\ - \Local\Temp\ - \PerfLogs\ - \Users\Public\ - \Windows\Temp\ - $Recycle.Bin condition: all of selection_* falsepositives: - Unknown level: high regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_certutil_encode_susp_location/info.yml