Emerging Threathighexperimental

Shai-Hulud Malware Indicators - Linux

Detects potential Shai-Hulud malware indicators based on specific command line arguments associated with its execution.

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Launch
Swachchhanda Shrawan Poudel (Nextron Systems)Created Tue Nov 2511bb9b26-4179-4a06-afcb-1ec31fce16272025
Emerging Threat
Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source
LinuxProcess Creation
ProductLinux← raw: linux
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        CommandLine|contains:
            - 'Shai-Hulud'
            - 'SHA1HULUD'
    condition: selection
False Positives

Legitimate software containing similar strings

MITRE ATT&CK

Other

detection.emerging-threats
Rule Metadata
Rule ID
11bb9b26-4179-4a06-afcb-1ec31fce1627
Status
experimental
Level
high
Type
Emerging Threat
Created
Tue Nov 25
Path
rules-emerging-threats/2025/Malware/Shai-Hulud/proc_creation_lnx_mal_shai_hulud_indicator.yml
Raw Tags
attack.executionattack.t1059detection.emerging-threats
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