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Tim Peck

@timpeck
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31 followers5,374 downloads4,081 copies490 likes318,457 views

919 detections

Detects the complete CVE-2026-21902 exploitation chain against Juniper Junos OS Evolved On-Box Anomaly Detection Framework. Requires all four steps: command creation, DAG creation, DAG instance scheduling, and commit.
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Tim Peck@timpeck
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SecOps Signals
8 months ago
1034
Detects a process running with a name that mimics a Linux kernel worker thread (e.g., 'kworker/...') but is not running as the root user. This is a known masquerading technique used by malware such as ClipXDaemon to evade detection.
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Tim Peck@timpeck
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Detections.ai Community
8 months ago
5047
Detects the creation of a 'WSPrint' scheduled task followed by deletion of its Security Descriptor (SD) registry value. Deleting the SD value hides the task from schtasks /query and Task Scheduler. This technique is used by UAT-9244 for stealthy persistence and is also associated with HAFNIUM/Tarrask.
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Tim Peck@timpeck
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SecOps Signals
8 months ago
1044
Detects the full FakeGit infection chain: CMD/BAT launcher spawning LuaJIT with malicious payload argument.
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Tim Peck@timpeck
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SecOps Signals
8 months ago
3046
Detects HTTP POST requests to the SolarWinds Web Help Desk (WHD) AjaxProxy endpoint that contain hex-encoded JSON keys or values (e.g., `\xNN`).
Attackers use this technique to bypass security filters and achieve remote code execution, as detailed in the exploit chain for CVE-2025-40552 and CVE-2025-40553.
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Tim Peck@timpeck
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Detections.ai Community
9 months ago
7190
Detects the creation of a new Windows service where the binary path points to suspicious, world-writable, or temporary directories. This is a common technique used in Bring Your Own Vulnerable Driver (BYOVD) attacks to load a malicious or vulnerable driver.
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Tim Peck@timpeck
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Detections.ai Community
9 months ago
13063
Detects the creation or modification of Python scripts in the /unitree/etc/programming/ directory on Unitree Go2 robots. This activity is a strong indicator of exploitation of CVE-2026-27509 or CVE-2026-27510, where an attacker uploads a malicious script for remote code execution.
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Tim Peck@timpeck
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Detections.ai Community
9 months ago
1037
Detects the execution of legitimate Windows binaries from non-standard public or program data directories. This technique is used by the Dohdoor malware to sideload a malicious DLL.
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Tim Peck@timpeck
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Detections.ai Community
9 months ago
2047
Detects the Claude CLI or Claude Code spawning suspicious child processes such as shells or network utilities. This behavior indicates exploitation of malicious hooks or MCP server configurations executing arbitrary commands, as seen in CVE-2025-59536 and CVE-2026-21852.
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Tim Peck@timpeck
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SecOps Signals
9 months ago
4060
Detects the execution of osascript to display a deceptive dialog box mimicking 'System Preferences' to harvest user passwords. This technique was observed being used by the Atomic Stealer (AMOS) malware.
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Tim Peck@timpeck
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Detections.ai Community
9 months ago
2050
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