Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects msiexec.exe spawning scripting or programming engines (such as PowerShell or Python) that perform LDAP directory searches and establish outbound external network connections within a specific time window.
This rule detects suspicious driver loading from user-writable paths, kernel driver service creation, disabling of driver signing, loading of Linux kernel modules, and the usage of LD_PRELOAD for rootkit functionality.
Sweeps network, process command-line and URL-click telemetry for the Kimsuky payload C2 domain and its subdomains using an anchored match, which avoids lookalike or suffix-matching domains.
Detects the creation of WordPress administrator accounts using MySQL or WP-CLI command-line tools on hosts, specifically looking for specific username prefixes or email domains associated with suspicious activities.
Detects hosts with the trojanized version 3.0.123 of the Rank Math PRO WordPress plugin distributed in October 2026. It correlates software inventory, file events, command-line process events, and network connections to identify affected packages, installation activity, and C2 communications.
Detects PowerShell launched hidden and non-interactive with an insecure execution policy and Base64 decode-and-execute, or a script combining Base64 decode-and-execute with browser history collection and WMI shadow copy enumeration, as seen in the Midnight Blizzard (GTG-20006) stager.
Detects the execution of rm commands using force flags to delete multiple critical appliance, system, and web server log files simultaneously on Linux hosts.
Detects potential Linux privilege escalation and persistence activities by monitoring for the creation of persistence scripts in post_boot.d, modifications to the sudoers.template file appending NOPASSWD, or system configuration rebuilds shortly after sudoers template changes.
Detects the execution of potential tunneling tools from temporary directories (/tmp, /dev/shm, /var/tmp) using characteristic CLI arguments such as --listen, --token, --obfs, and --ws-path, or the known binary name 'ingredi_ws'.
Detects PowerShell execution involving Base64 decoding or certutil decoding combined with writing files to the AppData directory using .NET I/O methods or PowerShell cmdlets.
Detects a specific sequence of behavior associated with Gryxa data collection and exfiltration. A single process queries system state or logs (scheduled tasks, WMI, event logs), creates an archive file (.zip, .7z, .rar), and establishes an outbound public network connection shortly thereafter.
Detects Windows Terminal or related console hosts spawning PowerShell or PowerShell Core with command-line arguments indicative of staging, downloading, or executing remote scripts (such as encoded commands, Invoke-Expression, or web requests), commonly associated with ClickFix or social engineering techniques.
Detects the presence of vulnerable Wireshark software versions susceptible to CVE-2025-13945 and detects mitmproxy instances running without HTTP/3 disabled via the --set http3=false command line argument.
Detects potential Linux privilege escalation and persistence activities by monitoring for the creation of persistence scripts in post_boot.d, modifications to the sudoers.template file appending NOPASSWD, or system configuration rebuilds shortly after sudoers template changes.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
Detects the execution of reverse engineering and decompilation tools such as JADX or Blutter against Android APK files or Flutter application binaries (libapp.so), as well as the creation of their typical output artifacts and staging folders.
Hunts for sqlservr.exe spawning command shells or system utilities, a pattern consistent with xp_cmdshell abuse. It also flags later steps from a public intrusion write-up: certutil decoding, SAM, SYSTEM or SECURITY hive saves and local account or group changes.
Results are grouped per device and day and ranked by stage count. Rows can also appear without a SQL parent when two later stages occur on the same device and day.
Triage: Some jobs use xp_cmdshell legitimately. Review the command line and the account. Hunting query, not an alert.
Limitations: Activity inside the SQL process with no child process is not visible. Renamed tools, obfuscation and privilege escalation tools are not covered. Needs Defender for Endpoint on the SQL servers.
Results are grouped per device and day and ranked by stage count. Rows can also appear without a SQL parent when two later stages occur on the same device and day.
Triage: Some jobs use xp_cmdshell legitimately. Review the command line and the account. Hunting query, not an alert.
Limitations: Activity inside the SQL process with no child process is not visible. Renamed tools, obfuscation and privilege escalation tools are not covered. Needs Defender for Endpoint on the SQL servers.
Detects commands executed on a Barracuda load balancer. Network appliances sit
outside most endpoint monitoring, so their own audit trail is frequently the only
record that anyone logged in and did something.
Onboarding: BARRACUDA-LOADBALANCER is ingested via Syslog (CEF) (Bloo extractor 859).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=auditd where sourcename='BARRACUDA-LOADBALANCER' and action='SESSION_ENDED'
| groupby user, process, commandline
outside most endpoint monitoring, so their own audit trail is frequently the only
record that anyone logged in and did something.
Onboarding: BARRACUDA-LOADBALANCER is ingested via Syslog (CEF) (Bloo extractor 859).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=auditd where sourcename='BARRACUDA-LOADBALANCER' and action='SESSION_ENDED'
| groupby user, process, commandline
Detects a privileged command executed through Centrify on Windows. Brokered
elevation records the command under the identity that requested it rather than the
shared administrative account it ran as, which restores attribution that local
Windows auditing frequently loses.
Onboarding: CENTRIFY-AUDITTRAIL-WINDOWS is ingested via Syslog (KV) (Bloo extractor 821).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=iam where sourcename='CENTRIFY-AUDITTRAIL-WINDOWS'
and action='USER_COMMAND_EXECUTED'
| groupby user, targetuser, role, domain
elevation records the command under the identity that requested it rather than the
shared administrative account it ran as, which restores attribution that local
Windows auditing frequently loses.
Onboarding: CENTRIFY-AUDITTRAIL-WINDOWS is ingested via Syslog (KV) (Bloo extractor 821).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=iam where sourcename='CENTRIFY-AUDITTRAIL-WINDOWS'
and action='USER_COMMAND_EXECUTED'
| groupby user, targetuser, role, domain
Detects mshta.exe executing a remote HTA payload over HTTP/HTTPS, the initial fileless execution stage of ACR Stealer's Campaign 2. The retrieved HTA contains VBScript loaders that ultimately deploy obfuscated PowerShell and steganography-assisted in-memory shellcode.
Detects network connections, process executions, file creations, and image loads associated with the UNC7017 AOMEI supply chain campaign IOC sweep, including specific malicious URLs, domains, IPs, file paths, and hashes.
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