SigmaHQ Detections
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6,797 detections
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Detects a non-browser process interacting with the Google API which could indicate the use of a covert C2 such as Google Sheet C2 (GC2-sheet). The rule specifically looks for connections to Google API domains from processes that are not common web browsers or Google-related applications, aiming to identify potentially malicious command and control activity.
Detects suspicious encoded character syntax often used for defense evasion
Detects command line patterns associated with the use of Pnscan for sending and receiving binary data across the network.
This behavior has been identified in a Linux malware campaign targeting Docker, Apache Hadoop, Redis, and Confluence and was previously used by the threat actor known as TeamTNT
This behavior has been identified in a Linux malware campaign targeting Docker, Apache Hadoop, Redis, and Confluence and was previously used by the threat actor known as TeamTNT
Detects usage of SoftPerfect's "netscan.exe". An application for scanning networks.
It is actively used in-the-wild by threat actors to inspect and understand the network architecture of a victim.
It is actively used in-the-wild by threat actors to inspect and understand the network architecture of a victim.
Detects the installation of the anydesk software service. Which could be an indication of anydesk abuse if you the software isn't already used.
Detects the execution of AADInternals PowerShell cmdlets. AADInternals is a tool used for administering Azure AD and Office 365, which can be abused by threat actors for various attacks including reconnaissance, credential access, and impact within Azure AD or Office 365 environments. The rule specifically looks for the unique "-AADInt" string prefix in cmdlet names.
Detects the execution of AADInternals PowerShell cmdlets. AADInternals is a tool for administering Azure AD and Office 365, which can be abused by threat actors to attack these services. The rule specifically looks for PowerShell processes executing commands containing the unique string "-AADInt" followed by various cmdlet actions like Add, ConvertTo, Disable, Enable, Export, Find, Get, Grant, Initialize, Install, Invoke, Join, New, Open, Read, Register, Remove, Reset, Resolve, Restore, Save, Search, Send, Set, Start, Unprotect, or Update.
Detects the execution of NimScan, a port scanning utility. This rule identifies NimScan based on its executable name ('NimScan.exe') and specific IMPHASH values associated with different versions of the tool. Adversaries have been observed using this utility to scan for open ports on remote hosts within compromised environments.
Backup Files Deleted
Sigma
Detects deletion of files with extensions often used for backup files. Adversaries may delete or remove built-in operating system data and turn off services designed to aid in the recovery of a corrupted system to prevent recovery.
Detects a suspicious download using the BITS client from a FQDN that is unusual. Adversaries may abuse BITS jobs to persistently execute or clean up after malicious payloads.
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