Arnold Chan
@slazTrusted contributorCompletionist
2 followers2,099 downloads4,319 copies51 likes25,769 views
7,544 detections
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Detection languages
5,639
1,006
394
169
98
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2,356
1,807
1,233
1,013
918
Platforms
4,191
1,622
1,250
676
670
Products / Services
2,820
1,003
991
720
485
MITRE Techniques
2,087
1,515
1,408
1,070
536
CVEs
38
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24
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21
IDS Classtypes
477
179
104
79
52
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554
156
144
86
18
Detects DNS lookups and outbound network connections to known command and control (C2) and staging domains associated with the STAC4924 campaign. The rule performs strict matching on domain names to ensure that subdomains are identified while avoiding false positives from partial string matches within URLs.
Detects outbound SMTP traffic associated withAVERAT malware, tracking the EHLO sequence, STARTTLS command negotiation, server acceptance, and subsequent custom TLS ClientHello patterns on port 25.
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.
Detects clusters of high-volume external source IPs from multiple countries sweeping the same financial web services within an hour.
Detects clusters of high-volume external source IPs from multiple countries sweeping the same financial web services within an hour.
Detects credential stuffing in Entra ID sign-in logs: one source IP failing against many distinct accounts within an hour, then succeeding on a small number of them.
Detects credential stuffing in Entra ID sign-in logs: one source IP failing against many distinct accounts within an hour, then succeeding on a small number of them.
Detects HTTP responses and requests involving exposed Claude Code open directories (.claude/CLAUDE.md) tied to ARTEX operator infrastructure.
Detects historical network connections, URL clicks, browser launches, email URLs, and process command lines associated with Wazza phishkit infrastructure IOCs including boegl-krysl.eu, coppietersrecherche.eu, and beacon-surge-sync.workers.dev.
Detects network traffic (DNS, TLS SNI, and HTTP) associated with Wazza phishkit infrastructure, specifically looking for malicious domains like boegl-krysl.eu and coppietersrecherche.eu, as well as Cloudflare workers.dev domains used for beaconing and lures.
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