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Arnold Chan

@slaz
Trusted contributorCompletionist
2 followers2,100 downloads4,386 copies51 likes26,181 views

7,555 detections

Detects outbound TCP traffic originating from the internal network destined for a known malicious IP associated with Meterpreter Java payload retrieval and post-exploitation Command and Control (C2) activity, potentially related to PaperCut vulnerability exploitation.
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Arnold Chan@slaz
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Hunters
2 months ago
102
Detects the creation of Windows services immediately following a network logon event (Logon Type 3) using NTLM or Kerberos. The rule monitors for service names or file paths characteristic of PsExec-style remote execution tools, specifically focusing on suspicious paths (e.g., Temp, UNC paths) or file extensions (e.g., .bat, .ps1, .tmp) used by attackers to execute payloads laterally.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
206
Detects the execution of known development, scripting, and administrative tools (e.g., Python, Node.js, GCC, Docker) from non-standard or unauthorized file paths. The rule leverages allowlists for process names, publishers, and trusted installation directories to identify potentially unauthorized usage of powerful tooling often abused by attackers for post-exploitation activities.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
001
Detects text/report artifacts (markdown, JSON, plain text) produced by an autonomous AI-driven vulnerability research pipeline that decompiles binaries, traces cross-references, hypothesizes memory-safety flaws, and generates/debugs proof-of-concept exploits
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
003
Detects anomalous activity patterns consistent with automated firmware reverse engineering pipelines, specifically correlating the high-frequency execution of firmware analysis tools (e.g., binwalk, Ghidra) with the creation of vulnerability research knowledge base artifacts. This behavioral heuristic aims to identify potential AI-driven or automated zero-day discovery workflows by tracking tool usage density and output characteristics.
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Arnold Chan@slaz
Defender - KQL
2 months ago
003
Detects artifacts of the winAgent v2.0 Windows implant line, including mod_* modules, WUEngine persistence binaries, and COM/CLSID hijack strings used by AI-assisted implant development
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
003
Detects anomalous child processes spawned by a Chrome renderer process. This behavior is often indicative of exploitation attempts, such as the BlueMoon exploit kit leveraging CVE-2026-85046, where a compromised renderer attempts to escape the sandbox or execute arbitrary code in the host process.
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Arnold Chan@slaz
Defender - KQL
2 months ago
005
Detects network traffic matching a list of known malicious domains and IP addresses observed in CommonSecurityLog events, tightened to reduce noise from scanners/TI feeds, sinkholed infrastructure, and generic reused IPs by requiring domain-specific selectors and deduplicating repeated matches per host.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
001
Detects Mimikatz binary or in-memory module used for credential harvesting following PaperCut RCE exploitation
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
002
Detects Mimikatz binary or in-memory module used for credential harvesting following PaperCut RCE exploitation
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Arnold Chan@slaz
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Hunters
2 months ago
002
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