Detectionhightest

Suspicious Remote Child Process From Outlook

Detects a suspicious child process spawning from Outlook where the image is located in a remote location (SMB/WebDav shares).

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Launch

Markus Neis, Nasreddine Bencherchali (Nextron Systems)Created Thu Dec 27Updated Thu Feb 09e212d415-0e93-435f-9e1a-f29005bb4723windows

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:
        ParentImage|endswith: '\outlook.exe'
        Image|startswith: '\\\\'
    condition: selection

False Positives

Unknown

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

References

MITRE ATT&CK

Tactics

TA0002 · Execution TA0005 · Defense Evasion

Techniques

T1059 · Command and Scripting Interpreter T1202 · Indirect Command Execution

Related Rules

SimilarDetectionhigh

Suspicious Outlook Child Process

Detects a suspicious process spawning from an Outlook process.

Detects similar activity. Both rules may fire on overlapping events.

Rule Metadata

Rule ID

e212d415-0e93-435f-9e1a-f29005bb4723

Status

test

Level

high

Type

Detection

Created

Thu Dec 27

Modified

Thu Feb 09

Author

Markus Neis, Nasreddine Bencherchali (Nextron Systems)

Path

rules/windows/process_creation/proc_creation_win_office_outlook_susp_child_processes_remote.yml

Raw Tags

attack.executionattack.defense-evasionattack.t1059attack.t1202

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