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Detectionmediumtest

Uncommon Child Process Of BgInfo.EXE

Detects uncommon child processes of "BgInfo.exe" which could be a sign of potential abuse of the binary to proxy execution via external VBScript

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Nasreddine Bencherchali (Nextron Systems), Beyu Denis, oscd.communityCreated Sat Oct 26Updated Wed Aug 16aaf46cdc-934e-4284-b329-34aa701e3771windows
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 Logic1 selector
detection:
    selection:
        ParentImage|endswith:
            - '\bginfo.exe'
            - '\bginfo64.exe'
    condition: selection
False Positives
Unknown

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

References
1
Resolving title…
lolbas-project.github.io
2
Resolving title…
oddvar.moe
MITRE ATT&CK
Related Rules
SimilarDetectionhigh

Suspicious Child Process Of BgInfo.EXE

Detects suspicious child processes of "BgInfo.exe" which could be a sign of potential abuse of the binary to proxy execution via external VBScript

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

Rule Metadata
Rule ID
aaf46cdc-934e-4284-b329-34aa701e3771
Status
test
Level
medium
Type
Detection
Created
Sat Oct 26
Modified
Wed Aug 16
Author
Nasreddine Bencherchali (Nextron Systems), Beyu Denis, oscd.community
Path
rules/windows/process_creation/proc_creation_win_bginfo_uncommon_child_process.yml
Raw Tags
attack.executionattack.t1059.005attack.defense-evasionattack.t1218attack.t1202
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