Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

2,303 detections

Detects a malformed PHPSESSID Set-Cookie header indicative of CVE-2026-109618, which may result in stale session ID memory disclosure in PHP applications.
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Brandon Levene@blove
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Detections.ai Community
6 days ago
240155
Detects HTTP POST requests containing multipart/form-data with PHP_SESSION_UPLOAD_PROGRESS, which is associated with CVE-2026-109618 and CVE-2026-109619 exploitation attempts, tracked via a detection filter.
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Brandon Levene@blove
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Detections.ai Community
6 days ago
530148
Detects HTTP requests containing serialized PHP objects in the Cookie header matching patterns associated with Zend Framework or Laminas gadget chains, characteristic of PHP object deserialization exploitation (e.g., PHPGGC style).
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ills3c Intel&Coffee@Ills3C
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Detections.ai Community
7 days ago
1014
Detects a threat identified by Cisco Meraki. Meraki is the security stack for branch
offices, retail sites and small locations that have no local IT presence — the parts
of an estate least likely to be monitored and most likely to be the way in.

Onboarding: CISCO-MERAKI is ingested via Syslog (Bloo extractor 300).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector

BQL (Bloo Query Language):

stream=threat where sourcename='CISCO-MERAKI' and action='THREAT_DETECTED'
| groupby srcip, dstip, threat, user
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Siddhant Mishra@Siddhant
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Bloo SpecterForce
6 days ago
104
Detects a threat raised by the Cisco wireless LAN controller — rogue access points,
containment events and wireless intrusion signatures. Wireless is a physical-access
attack surface that endpoint and network monitoring never observes, and the
controller is the only thing that sees it.

A rogue access point broadcasting the corporate SSID collects credentials from
devices that connect automatically.

Onboarding: CISCO-AIR-CT5508-K9 is ingested via Syslog (Bloo extractor 201).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector

BQL (Bloo Query Language):

stream=threat where sourcename='CISCO-AIR-CT5508-K9' and action='THREAT_DETECTED'
| groupby srcip, dstip, threat, user
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Siddhant Mishra@Siddhant
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Bloo SpecterForce
6 days ago
104
Detects an attack identified by the FortiWeb web application firewall. WAF telemetry
is widely collected and almost never turned into detection content — it is usually
left as a vendor dashboard, so repeated targeting of one application by one source
goes unexamined.

Onboarding: FORTIWEB is ingested via Syslog (CEF) (Bloo extractor 115).
Integration guide: https://bloo.io/docs/hypercloud/syslog-connector

BQL (Bloo Query Language):

stream=threat where sourcename='FORTIWEB' and action='THREAT_DETECTED'
| duration 1h
| groupby srcip, dstip, threat
| select srcip, dstip, threat, count(*) as cnt
| having cnt > 10
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Siddhant Mishra@Siddhant
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Bloo SpecterForce
6 days ago
103
Detects HTTP requests targeting Microsoft Exchange servers that combine the autodiscover.json URI with PowerShell endpoint parameters, indicative of ProxyNotShell vulnerabilities exploitation (CVE-2022-41040 and CVE-2022-41082).
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ills3c Intel&Coffee@Ills3C
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Detections.ai Community
12 days ago
203
Detects a decoy asset initiating an outbound connection. A decoy should only ever
receive traffic. Outbound activity means the asset has been compromised and is being
used as a launch point, or that attacker tooling on it is calling home.

The destination is live command-and-control infrastructure and should be blocked
estate-wide immediately rather than only on the decoy.

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 dstip != ''
| groupby dstip, url, process, srcip
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Siddhant Mishra@Siddhant
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Bloo SpecterForce
6 days ago
000
Detects the Mir0Auth phishing kit sequence within a single HTTP flow: POST /task_queue.cs beacon followed by POST /context.go device-code request, both with application/octet-stream bodies. Requires both requests (flowbits) and exact path endings to limit false positives. SIDs made unique.
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Arnold Chan@slaz
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Detections.ai Community
16 days ago
005
Detects connections from internal hosts to the ARTEX-linked actor host 38.244.50.120, including requests for the exposed .claude/CLAUDE.md file and its open-directory port 18899.
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Arnold Chan@slaz
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Hunters
19 days ago
009
Detects connections from internal hosts to the ARTEX-linked actor host 38.244.50.120, including requests for the exposed .claude/CLAUDE.md file and its open-directory port 18899.
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Arnold Chan@slaz
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Detections.ai Community
19 days ago
007
Detects the Mir0Auth phishing kit sequence within a single HTTP flow: POST /task_queue.cs beacon followed by POST /context.go device-code request, both with application/octet-stream bodies. Requires both requests (flowbits) and exact path endings to limit false positives. SIDs made unique.
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Arnold Chan@slaz
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Hunters
16 days ago
003
Detects repeated octet-stream POST polling of /window.rs (5+ in 20s, alerting once per window), matching the ~3s Mir0Auth session polling while the victim completes device login. SID de-duplicated from another rule.
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Arnold Chan@slaz
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Detections.ai Community
16 days ago
003
Detects bursts (3+ in 60s) of octet-stream POSTs to URI paths ending in .cs/.go/.rs, matching Mir0Auth XOR-obfuscated C2. Path must be a single short segment and the threshold is raised to cut noise from dev/API traffic.
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Arnold Chan@slaz
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Hunters
16 days ago
003
Detects bursts (3+ in 60s) of octet-stream POSTs to URI paths ending in .cs/.go/.rs, matching Mir0Auth XOR-obfuscated C2. Path must be a single short segment and the threshold is raised to cut noise from dev/API traffic.
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Arnold Chan@slaz
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Detection & Hunting Community
16 days ago
003
Detects bursts (3+ in 60s) of octet-stream POSTs to URI paths ending in .cs/.go/.rs, matching Mir0Auth XOR-obfuscated C2. Path must be a single short segment and the threshold is raised to cut noise from dev/API traffic.
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Arnold Chan@slaz
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Detections.ai Community
16 days ago
003
Detects P7 DarkSword implant C2 beaconing: HTTP/1.0 JSON POSTs to /beacon, /event or /a with the hardcoded iPhone OS 18_5 Safari 18.5 User-Agent. Requires the full combination of protocol version, method, URI, UA and content type, and alerts only after 3 matching requests from one source within 120 seconds (detection_filter) to suppress one-off matches.
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Arnold Chan@slaz
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Midnight Slayer
16 days ago
003
Detects HTTP responses and requests involving exposed Claude Code open directories (.claude/CLAUDE.md) tied to ARTEX operator infrastructure.
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Arnold Chan@slaz
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Detections.ai Community
19 days ago
006
Detects network activity (DNS queries, HTTP Host headers, and TLS SNI) directed towards the known Blinder Tunnel staging domain 'asdfafadafg.online'. This behavior is indicative of command-and-control (C2) communication or initial staging of malicious payloads.
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Arnold Chan@slaz
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Detections.ai Community
20 days ago
008
Detects HTTP, TLS, DNS, and TCP communication with known AhsayCBS campaign infrastructure and Alibaba OSS storage buckets used for payload delivery.
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Arnold Chan@slaz
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Detections.ai Community
19 days ago
005
Detects an unauthenticated remote code execution attempt against AhsayCBS via the UpdateReceivers.do endpoint using the checkSysPwd parameter, associated with CVE-2026-105133 and CVE-2026-105134.
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Arnold Chan@slaz
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Detections.ai Community
19 days ago
205
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