Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects modification or creation of .htaccess files within WordPress directory structures followed within 24 hours by the creation or modification of .cache files in the same directory. This behavioral pattern is often indicative of web shell deployment or persistence installation via compromised web applications.
Sweeps DNS, endpoint network and proxy/firewall telemetry for BraZetsu C2, panel and shop domains using exact or subdomain matching. The apex installscenter.com remains active on Cloudflare with wildcard certificates.
Detects when an SAP audit message ID appears in security audit logs but is absent from the defined monitoring configuration table, which could indicate attempts to bypass or disable monitoring controls.
Detects endpoint connections to known DarkSword/Coruna exploit-host and C2 infrastructure. The shared AWS IP is only matched on C2 ports 8881/8882 to reduce collateral hits.
Summarizes the count of devices grouped by their manufacturer and model from device inventory or telemetry data.
Summarizes the count of devices by CPU manufacturer and architecture using Kusto Query Language (KQL).
Detects network connections to known Indicators of Compromise (IOCs) associated with the TraderTraitor campaign, including trojanized Terraform providers (FLATROOF/ROOFDECK malware families) using specific domains and URL paths.
Sweeps proxy, firewall and endpoint network telemetry for requests to the three published BraZetsu Pastebin dead-drop raw URLs used to retrieve the XOR-encrypted C2 config.
Detects the Shai-Hulud tensorlake payload pattern of fetching a platform-specific HackBrowserData binary and then executing it on the same host to dump browser-stored credentials. Anchored on tool behavior (download then execution on one host) rather than a single sample hash or the rotating C2 domain.
Detects the creation of persistence artifacts associated with the 'gh-token-monitor' service utilized by the Shai-Hulud worm across Linux systemd user services, macOS LaunchAgents, and Windows scheduled tasks or local application directories. This service acts as a dead-man's switch designed to wipe the user's home directory if the stolen GitHub token is revoked.
Detects creation or modification of cron entries on the BeyondTrust
Remote Support / Privileged Remote Access appliance. After exploiting the pre-auth
vulnerability, attackers establish recurring execution for persistence and C2
beaconing via cron (T1053.003) on the Linux-based appliance.
Follows CISA's urgent patch advisory for BeyondTrust appliances.
Remote Support / Privileged Remote Access appliance. After exploiting the pre-auth
vulnerability, attackers establish recurring execution for persistence and C2
beaconing via cron (T1053.003) on the Linux-based appliance.
Follows CISA's urgent patch advisory for BeyondTrust appliances.
Detects network, DNS, email, and URL click events matching known IOC domains associated with AdFection, Candiru, and Discover-Tech threat intelligence reports.
Detects potential exploitation of the libcurl CURLOPT_REQUEST_TARGET CRLF injection vulnerability via web/proxy request logs where curl user-agents are observed with carriage return/line feed characters or injected request lines within the URI path.
Detects process execution where a shell (such as bash, zsh, cmd, or powershell) is spawned by a skill or openclaw process, and subsequently performs download activities (e.g., using curl, wget, invoke-webrequest) or establishes persistence (e.g., via cron, systemd, registry run keys, schtasks).
Detects a potential TeamPCP infostealer execution chain where a bash shell running setup.sh or entrypoint.sh spawns curl with POST or upload arguments.
Sweeps network connection, HTTP/proxy, file, and process telemetry for exact matches against known Cling botnet indicators: dedicated STUN C2/operator IPs, Cling MIPS loader staging URLs, and known Cling sample SHA256 hashes. Tightened to exclude broad domain-level matching on stun.l.google.com (legitimate, ubiquitous Google STUN infrastructure that Cling spoofs/abuses rather than owns) and to match payload-staging hosts only by full URL rather than bare IP, reducing false positives from shared/compromised hosting and unrelated legitimate STUN traffic.
Detects modification of a monitored file on a Centrify-managed Linux host. File
integrity events on Unix servers catch tampering with configuration, authorised keys
and service definitions — the common Linux persistence routes, which leave no
registry trace and no Windows-style artefact.
Onboarding: CENTRIFY-AUDITTRAIL-LINUX is ingested via Syslog (KV) (Bloo extractor 822).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=iam where sourcename='CENTRIFY-AUDITTRAIL-LINUX' and action='FILE_MODIFIED'
| groupby user, targetuser, domain
integrity events on Unix servers catch tampering with configuration, authorised keys
and service definitions — the common Linux persistence routes, which leave no
registry trace and no Windows-style artefact.
Onboarding: CENTRIFY-AUDITTRAIL-LINUX is ingested via Syslog (KV) (Bloo extractor 822).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=iam where sourcename='CENTRIFY-AUDITTRAIL-LINUX' and action='FILE_MODIFIED'
| groupby user, targetuser, domain
Detects a privilege change recorded by Centrify on a Linux server. Centrify brokers
privileged access to Unix estates, so it sees elevation decisions that native auditd
may record only partially — and in many estates it is the only consistent record
across heterogeneous Linux and AIX systems.
Onboarding: CENTRIFY-AUDITTRAIL-LINUX is ingested via Syslog (KV) (Bloo extractor 822).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=iam where sourcename='CENTRIFY-AUDITTRAIL-LINUX'
and action='PRIVILEGE_CHANGED'
| groupby user, targetuser, role, domain
privileged access to Unix estates, so it sees elevation decisions that native auditd
may record only partially — and in many estates it is the only consistent record
across heterogeneous Linux and AIX systems.
Onboarding: CENTRIFY-AUDITTRAIL-LINUX is ingested via Syslog (KV) (Bloo extractor 822).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=iam where sourcename='CENTRIFY-AUDITTRAIL-LINUX'
and action='PRIVILEGE_CHANGED'
| groupby user, targetuser, role, domain
Detects process execution reported by a Smokescreen decoy. A decoy runs no business
workload, so any process beyond the platform's own agent indicates an intruder has
reached the asset and is executing code on it.
Capture the command line in full: on a decoy it is uncontaminated by legitimate
activity and gives a clean view of attacker tooling and intent.
Onboarding: SMOKESCREEN is ingested via Syslog (CEF) (Bloo extractor 206).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=threat where sourcename='SMOKESCREEN' and action='THREAT_DETECTED'
and process != ''
| groupby process, commandline, user, srcip
workload, so any process beyond the platform's own agent indicates an intruder has
reached the asset and is executing code on it.
Capture the command line in full: on a decoy it is uncontaminated by legitimate
activity and gives a clean view of attacker tooling and intent.
Onboarding: SMOKESCREEN is ingested via Syslog (CEF) (Bloo extractor 206).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector
BQL (Bloo Query Language):
stream=threat where sourcename='SMOKESCREEN' and action='THREAT_DETECTED'
and process != ''
| groupby process, commandline, user, srcip
Detects known Indicators of Compromise (IOCs) associated with the Ebury Linux backdoor, including specific file hashes, implants like libkeyutils.so.1.10.2, malicious IP connections, and associated network/email artifacts using Microsoft Defender XDR advanced hunting.
Detects known Indicators of Compromise (IOCs) associated with the Ebury Linux backdoor, including specific file hashes, implants like libkeyutils.so.1.10.2, malicious IP connections, and associated network/email artifacts using Microsoft Defender XDR advanced hunting.
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