Detectionhightest

Suspicious Registry Modification From ADS Via Regini.EXE

Detects the import of an alternate data stream with regini.exe, regini.exe can be used to modify registry keys.

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Eli Salem, Sander Wiebing, oscd.communityCreated Mon Oct 12Updated Wed Feb 0877946e79-97f1-45a2-84b4-f37b5c0d8682windows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

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:
    selection_img:
        - Image|endswith: '\regini.exe'
        - OriginalFileName: 'REGINI.EXE'
    selection_re:
        CommandLine|re: ':[^ \\]'
    condition: all of selection_*

False Positives

Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References

Resolving title…

lolbas-project.github.io

MITRE ATT&CK

Tactics

TA0003 · Persistence TA0005 · Defense Evasion

Techniques

T1112 · Modify Registry

Related Rules

DerivedDetectionlow

Registry Modification Via Regini.EXE

Detects the execution of regini.exe which can be used to modify registry keys, the changes are imported from one or more text files.

This rule was derived from the related rule - both detect similar activity with different scope.

Rule Metadata

Rule ID

77946e79-97f1-45a2-84b4-f37b5c0d8682

Status

test

Level

high

Type

Detection

Created

Mon Oct 12

Modified

Wed Feb 08

Author

Eli Salem, Sander Wiebing, oscd.community

Path

rules/windows/process_creation/proc_creation_win_regini_ads.yml

Raw Tags

attack.persistenceattack.t1112attack.defense-evasion

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