Detectionhightest

Bypass UAC via WSReset.exe

Detects use of WSReset.exe to bypass User Account Control (UAC). Adversaries use this technique to execute privileged processes.

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Launch

E.M. Anhaus (originally from Atomic Blue Detections, Tony Lambert), oscd.community, Florian Roth (Nextron Systems)Created Thu Oct 24Updated Fri May 13d797268e-28a9-49a7-b9a8-2f5039011c5cwindows

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: '\wsreset.exe'
    filter:
        - Image|endswith: '\conhost.exe'
        - OriginalFileName: 'CONHOST.EXE'
    condition: selection and not filter

False Positives

Unknown sub processes of Wsreset.exe

References

Resolving title…

eqllib.readthedocs.io

Resolving title…

lolbas-project.github.io

MITRE ATT&CK

Tactics

TA0004 · Privilege Escalation TA0005 · Defense Evasion

Sub-techniques

T1548.002 · Bypass User Account Control

Related Rules

Similar

bdc8918e-a1d5-49d1-9db7-ea0fd91aa2ae

Rule not found

Rule Metadata

Rule ID

d797268e-28a9-49a7-b9a8-2f5039011c5c

Status

test

Level

high

Type

Detection

Created

Thu Oct 24

Modified

Fri May 13

Author

E.M. Anhaus (originally from Atomic Blue Detections, Tony Lambert), oscd.community, Florian Roth (Nextron Systems)

Path

rules/windows/process_creation/proc_creation_win_uac_bypass_wsreset.yml

Raw Tags

attack.privilege-escalationattack.defense-evasionattack.t1548.002

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