Exploit for CVE-2017-0261

 1title: Exploit for CVE-2017-0261
 2id: 864403a1-36c9-40a2-a982-4c9a45f7d833
 3status: test
 4description: Detects Winword starting uncommon sub process FLTLDR.exe as used in exploits for CVE-2017-0261 and CVE-2017-0262
 5references:
 6    - https://www.fireeye.com/blog/threat-research/2017/05/eps-processing-zero-days.html
 7author: Florian Roth (Nextron Systems)
 8date: 2018-02-22
 9modified: 2021-11-27
10tags:
11    - attack.execution
12    - attack.t1203
13    - attack.t1204.002
14    - attack.initial-access
15    - attack.t1566.001
16    - cve.2017-0261
17    - detection.emerging-threats
18logsource:
19    category: process_creation
20    product: windows
21detection:
22    selection:
23        ParentImage|endswith: '\WINWORD.EXE'
24        Image|contains: '\FLTLDR.exe'
25    condition: selection
26falsepositives:
27    - Several false positives identified, check for suspicious file names or locations (e.g. Temp folders)
28level: medium

References

• EPS Processing Zero-Days Exploited by Multiple Threat Actors | Mandiant | Google Cloud Blog

  

  In 2015, FireEye published details about two attacks exploiting vulnerabilities in Encapsulated PostScript (EPS) of Microsoft Office. One was a zero-day and one was patched weeks before the attack ...

  
  Read More

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