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Ethan Andrews

@eandrews
Trusted contributorCompletionist
13 followers311 downloads7,465 copies113 likes78,074 views

1,181 detections

Detects browser processes launched with a specific combination of command-line flags used by Evelyn Stealer to hide its activity and bypass security. This combination includes headless mode, a disabled sandbox, and an off-screen window position.
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
4026
Detects a sequence of events where a Protected Process Light (PPL) security process attempts to load a DLL from a non-standard path and then terminates shortly after. This pattern is a strong indicator of the EDRStartupHinder technique, where a critical system DLL is redirected to an invalid copy, causing the PPL process to fail its integrity check and self-terminate.
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
2163
Detects Microsoft Word making an outbound network connection and subsequently spawning the Equation Editor process (EQNEDT32.EXE). This behavior is associated with the exploitation of CVE-2017-11882 via a malicious remote template.
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
2039
Detects a script process (wscript.exe/cscript.exe) creating files in a specific HP-themed path and then creating a Run key for persistence, indicative of the Turla Kazuar VBScript dropper.
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
4133
This query detects network communication to known Command and Control (C2) IP addresses used by the Medusa ransomware group, often via malicious SimpleHelp RMM servers.
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
7082
Detects the execution of a Python script characteristic of the AsyncRAT polymorphic APC injector. This involves python.exe running a script with arguments for an input binary file (-i *.bin) and a key file (-k *.txt).
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
6179
Detects a suspicious process chain involving wscript.exe spawning powershell.exe, which then spawns MSBuild.exe. This specific chain is characteristic of the SHADOW#REACTOR malware campaign, indicating potential execution of malicious code via trusted utilities.
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
4127
Detects the modification of the registry to disable RDP Restricted Admin mode. This allows attackers to access plaintext credentials from the remote machine. This TTP is associated with the threat actor UAT-8837.
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
3020
This rule detects files matching known SHA256 hashes associated with the VoidLink malware framework. This is a high-fidelity indicator with a very low chance of false positives.
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
5026
Detects the creation and subsequent execution of a masqueraded binary named "CertificationKit.ini" in the C:\ProgramData directory. This technique has been observed in recent MuddyWater campaigns where a .ini file extension is used to disguise an executable, which is then launched via cmd.exe.
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Ethan Andrews@eandrews
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Federal Signal Detections
10 months ago
4055
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