Detection rules › Sigma

Exploit for CVE-2015-1641

Status
stable
Severity
critical
Log source
product windows, category process_creation
Author
Florian Roth (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects Winword starting uncommon sub process MicroScMgmt.exe as used in exploits for CVE-2015-1641

MITRE ATT&CK coverage

Event coverage

Rule body yaml

title: Exploit for CVE-2015-1641
id: 7993792c-5ce2-4475-a3db-a3a5539827ef
status: stable
description: Detects Winword starting uncommon sub process MicroScMgmt.exe as used in exploits for CVE-2015-1641
references:
    - https://www.virustotal.com/en/file/5567408950b744c4e846ba8ae726883cb15268a539f3bb21758a466e47021ae8/analysis/
    - https://www.hybrid-analysis.com/sample/5567408950b744c4e846ba8ae726883cb15268a539f3bb21758a466e47021ae8?environmentId=100
author: Florian Roth (Nextron Systems)
date: 2018-02-22
modified: 2021-11-27
tags:
    - attack.stealth
    - attack.t1036.005
    - cve.2015-1641
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\WINWORD.EXE'
        Image|endswith: '\MicroScMgmt.exe'
    condition: selection
falsepositives:
    - Unknown
level: critical

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    ParentImage|endswith: '\WINWORD.EXE'
    Image|endswith: '\MicroScMgmt.exe'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Imageends_with
  • \MicroScMgmt.exe
ParentImageends_with
  • \WINWORD.EXE corpus 10 (sigma 10)