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VOLEXITY_Apt_Malware_Any_Dotnet_Aot_Plenet

Detect PLENET, a multiplatform malware compile with native AOT.

APT / threat actorVolexity threat-intelBSD 2-Clause LicenseCompiles with YARA-X
Author
threatintel@volexity.com
Date
2025-09-22
Modified
2025-10-30
Score / Quality
75 / 80

What this rule detects

Detect PLENET, a multiplatform malware compile with native AOT.

It defines 9 patterns (9 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

apt-malware-any-dotnet-aot-plenet.yarBSD 2-Clause License
rule VOLEXITY_Apt_Malware_Any_Dotnet_Aot_Plenet : VERDANTBAMBOO PLENET FILE MEMORY
{
	meta:
		description = "Detect PLENET, a multiplatform malware compile with native AOT."
		author = "threatintel@volexity.com"
		id = "615d7c43-0128-5cfa-a080-6ece5d2dc029"
		date = "2025-09-22"
		modified = "2025-10-30"
		reference = "https://github.com/volexity/threat-intel"
		source_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2026/2026-06-04 VerdantBamboo/rules.yar#L1-L31"
		license_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
		hash = "eb141a43958802727a6c813452450c10b92704bea4474ee5fd87c0a1be326e2e"
		logic_hash = "67d8f7fbc2986b1068a9c557cf85ba83469e3fb7f2433bd10c7ad740a4b0e717"
		score = 75
		quality = 80
		tags = "VERDANTBAMBOO, PLENET, FILE, MEMORY"
		os = "all"
		os_arch = "all"
		scan_context = "file,memory"
		severity = "critical"
		report1 = "TIB-20251104"
		license = "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
		rule_id = 12367
		version = 4

	strings:
		$str1 = "[!] Bad dat" wide
		$str2 = "[!] Connection error. Kill Pty" wide
		$str3 = "[!] Error : Plexor is nul" wide
		$str4 = "[!] Unkown message type" wide
		$str5 = "[*] Disposing.." wide
		$str6 = "Lack port ':" wide
		$str7 = "IPv6 port error ':" wide
		$str8 = "this.existingPipeGiven." wide
		$str9 = "port must within 0~6553" wide

	condition:
		4 of them
}

Strings (9 patterns)

IdentifierTypeValueModifiers
$str1text"[!] Bad dat"wide
$str2text"[!] Connection error. Kill Pty"wide
$str3text"[!] Error : Plexor is nul"wide
$str4text"[!] Unkown message type"wide
$str5text"[*] Disposing.."wide
$str6text"Lack port ':"wide
$str7text"IPv6 port error ':"wide
$str8text"this.existingPipeGiven."wide
$str9text"port must within 0~6553"wide

Condition

4 of them

In plain words (Heuristic)

  • At least 4 patterns in the rule must match.

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References

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • eb141a43958802727a6c813452450c10b92704bea4474ee5fd87c0a1be326e2e

Licence & attribution

Author: threatintel@volexity.com

Source repository: Volexity threat-intel @ 3a9d0b5245

Licence: BSD 2-Clause License (stated in the rule's own meta)

“See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt”

Copyright notice: Copyright 2022 by Volexity, Inc.

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 615d7c43-0128-5cfa-a080-6ece5d2dc029

Metadata

osall
os_archall
scan_contextfile,memory
severitycritical
report1TIB-20251104
rule_id12367
version4

Tags:VERDANTBAMBOOPLENETFILEMEMORY