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PCRE.NET Package Image Load — Sigma Rule

Sigma rule 84b0a8f3-680b-4096-a45b-e9a89221727c. PCRE.NET Package Image Load — Sigma Rule. Detects processes loading modules related to PCRE.NET package

Rule metadata and linked tags

Author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research). Source status: test; severity: high. Source dates: 2020-10-29 / 2022-10-09.

{
  "category": "image_load",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: a8eb20146db110bc08e878ba45250f39b6b9bd4c42561486af934b43c39d6a7b

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: PCRE.NET Package Image Load
id: 84b0a8f3-680b-4096-a45b-e9a89221727c
status: test
description: Detects processes loading modules related to PCRE.NET package
references:
    - https://twitter.com/rbmaslen/status/1321859647091970051
    - https://twitter.com/tifkin_/status/1321916444557365248
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
date: 2020-10-29
modified: 2022-10-09
tags:
    - attack.execution
    - attack.t1059
logsource:
    category: image_load
    product: windows
detection:
    selection:
        ImageLoaded|contains: \AppData\Local\Temp\ba9ea7344a4a5f591d6e5dc32a13494b\
    condition: selection
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

  • Unknown

Source references

Connected ecosystem references

Exact source-tagged techniques

Telemetry review

Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.

Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.