Sigma rule: CVE-2021-44077 POC Default Dropped File

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-8bcb748f7e88, updated 2022-06-06T00:00:00.000Z.

Rule

Title
CVE-2021-44077 POC Default Dropped File
Status
test
Level
high
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2022-06-06
File
rules-emerging-threats/2021/Exploits/CVE-2021-44077/file_event_win_cve_2021_44077_poc_default_files.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the creation of "msiexec.exe" in the "bin" directory of the ManageEngine SupportCenter Plus (Related to CVE-2021-44077) and public POC available (See references section)

Log source

product
windows
category
file_event

Detection

selection:
    TargetFilename|endswith: '\ManageEngine\SupportCenterPlus\bin\msiexec.exe'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.execution
  • cve.2021-44077
  • detection.emerging-threats

CVEs this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2021/Exploits/CVE-2021-44077/file_event_win_cve_2021_44077_poc_default_files.yml

Sources and licences

  • SigmaHQ

    "CVE-2021-44077 POC Default Dropped File" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2021/Exploits/CVE-2021-44077/file_event_win_cve_2021_44077_poc_default_files.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: CVE-2021-44077 POC Default Dropped File",
entity page, dataset version ref-8bcb748f7e88, updated 2022-06-06T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/7b501acf-fa98-4272-aa39-194f82edc8a3 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 7b501acf-fa98-4272-aa39-194f82edc8a3, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.