Tim Peck
@timpeckTrusted contributorCompletionist
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919 detections
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Detects the silent installation and configuration of AnyDesk from the command line. This technique was observed being used by actors deploying DeadLock ransomware to establish persistence.
This rule detects WebSocket C2 authentication attempts by the Frogblight mobile banking malware. It specifically looks for the hardcoded login key '{"login_key":"fg_a1b2c3d4e5f6"}' within TCP traffic destined for external networks.
Detects outbound network connections from common web server processes to the Telegram API domain (api.telegram.org). This behavior is indicative of the BlackForce phishing kit exfiltrating stolen credentials, as newer versions use a server-side component to relay data to a Telegram channel.
Detects network connections to Discord webhook URLs from non-standard processes. This technique is often used by malware, such as Phantom Stealer, to exfiltrate stolen data.
This rule detects Command and Control (C2) communication associated with the Mythic C2 framework utilizing Server Message Block (SMB) for peer-to-peer (P2P) beaconing. It specifically looks for SMB_COM_WRITE_ANDX commands with a data size greater than 360 bytes, containing a specific null byte pattern at offset 86, and a PCRE match for a GUID-like string, which are indicators of Mythic C2 SMB P2P beacon traffic.
Detects privilege escalation attempts used by the Shai-Hulud malware. This includes checking for passwordless sudo ('sudo -n true') and exploiting Docker to modify the 'sudoers.d' file to grant root privileges.
Detects the PeerBlight Linux backdoor masquerading as the '[ksoftirqd]' kernel thread. This is a defense evasion technique used by the malware to blend in with legitimate system processes.
Detects PowerShell being used with an encoded command that contains download and execution primitives. This is a common technique used by adversaries, including in the exploitation of CVE-2025-55182 (React2Shell), to download and run second-stage payloads in memory.
Detects React2Shell exploitation attempts via prototype pollution and Node.js
gadget invocation. Covers vulnerability scanning, gadget testing, and active
RCE exploitation.
gadget invocation. Covers vulnerability scanning, gadget testing, and active
RCE exploitation.
This rule detects command and control (C2) beaconing activity associated with the SHADOW-VOID-042 malware family. Specifically, it looks for HTTP POST requests containing the string "get_module_hello" in the request body, which is indicative of a C2 communication pattern used by this malware.
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