Forensia CTI Core

Summary

Ingested excerpt (first ~500 chars of normalized text).

Quasar Linux (QLNX) – A Silent Foothold in the Supply Chain: Inside a Full-Featured Linux RAT With Rootkit, PAM Backdoor, Credential Harvesting Capabilities TrendAI™ Research breaks down Quasar Linux (QLNX), a previously undocumented sophisticated Linux RAT with low detection rates. In this blog, we examine a full-featured Linux threat incorporating a rootkit, a PAM backdoor, credential harvesting, and more, revealing how this malware enables stealthy access, persistence, an…

https://www.trendmicro.com/en_us/research/26/e/quasar-linux-qlnx-a-silent-foothold-in-the-software-supply-chain.html

sha256:292bed5fee4e2c42e76684a1ff2f9cd775e89c656b6b2d1c096f26acdc6b9b12

What we pulled out

Deterministic extractor (IOC + allowlisted tokens + ATT&CK IDs present in DB).

cve1
md51
url0
ipv40
ipv60
sha11
domain9
sha2567
malware_token0
attack_pattern0
threat_actor_token0

Indicators

Linked with report → mentions → indicator. Values open the indicator workspace.

Type	Value	Link
domain	auth.log	Open →
cve	CVE-2026-33017	Open →
domain	config.json	Open →
domain	ip-api.com	Open →
domain	ld.so.preload	Open →
domain	libsecurity.so	Open →
domain

Malware families

Allowlist token matches only.

None extracted.

Threat actors mentioned

Allowlist mentions — not a formal attribution verdict.

None extracted.

ATT&CK techniques

MITRE IDs referenced in text and present in local technique table.

None linked (import ATT&CK or adjust text).

CONTINUE INVESTIGATION

High-signal pivots without leaving the thread you started in search.

All reports
Browse the report corpus.
Intel graph (first IOC)
Neighborhood from the first linked indicator.

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