YARA · Volexity threat-intel

VOLEXITY_Apt_Malware_Elf_Verdantbamboo_Paths

Detection for VerdantBamboo related malware based on paths from local machines observed in binaries.

APT / threat actorVolexity threat-intelBSD 2-Clause LicenseCompiles with YARA-X

Author: threatintel@volexity.com
Date: 2025-09-22
Modified: 2026-01-27
Score / Quality: 75 / 80

What this rule detects

Detection for VerdantBamboo related malware based on paths from local machines observed in binaries.

It defines 1 patterns (1 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar

apt-malware-elf-verdantbamboo-paths.yarBSD 2-Clause License

rule VOLEXITY_Apt_Malware_Elf_Verdantbamboo_Paths : VERDANTBAMBOO FILE MEMORY
{
	meta:
		description = "Detection for VerdantBamboo related malware based on paths from local machines observed in binaries."
		author = "threatintel@volexity.com"
		id = "256f6bdc-1067-52e8-81b9-c7be1b802947"
		date = "2025-09-22"
		modified = "2026-01-27"
		reference = "https://github.com/volexity/threat-intel"
		source_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2026/2026-06-04 VerdantBamboo/rules.yar#L32-L54"
		license_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
		hash = "eb141a43958802727a6c813452450c10b92704bea4474ee5fd87c0a1be326e2e"
		logic_hash = "aac17908a9d5e71d5db3fbdf9bb3307c74f5911bd253bb2060b05fbf238b2c3f"
		score = 75
		quality = 80
		tags = "VERDANTBAMBOO, FILE, MEMORY"
		os = "linux"
		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 = 12361
		version = 3

	strings:
		$s1 = "bin/Release/net8.0/linux-x64/native/server" ascii

	condition:
		$s1
}

Strings (1 patterns)

Identifier	Type	Value	Modifiers
$s1	text	"bin/Release/net8.0/linux-x64/native/server"	ascii

Condition

$s1

In plain words (Heuristic)

Pattern $s1 must be present.

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References

https://github.com/volexity/threat-intel

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”

Original rule

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

Rule id: 256f6bdc-1067-52e8-81b9-c7be1b802947

Metadata

os	linux
os_arch	all
scan_context	file,memory
severity	critical
report1	TIB-20251104
rule_id	12361
version	3

Tags:VERDANTBAMBOO FILE MEMORY

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