1200KM / sigma-rule
HackTool - BabyShark Agent Default URL Pattern — Sigma Rule
Sigma rule 304810ed-8853-437f-9e36-c4975c3dfd7e. HackTool - BabyShark Agent Default URL Pattern — Sigma Rule. Detects Baby Shark C2 Framework default communication patterns
Rule metadata and linked tags
Author: Florian Roth (Nextron Systems). Source status: test; severity: critical. Source dates: 2021-06-09 / 2024-02-15.
{
"category": "proxy"
}Pinned original Sigma rule · Detection Rule License 1.1
Source SHA-256: 50ee6f6c9223d35b45e2659ea960373c48d1228d816b2848ba9a53b0fb243d74
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: HackTool - BabyShark Agent Default URL Pattern
id: 304810ed-8853-437f-9e36-c4975c3dfd7e
status: test
description: Detects Baby Shark C2 Framework default communication patterns
references:
- https://nasbench.medium.com/understanding-detecting-c2-frameworks-babyshark-641be4595845
author: Florian Roth (Nextron Systems)
date: 2021-06-09
modified: 2024-02-15
tags:
- attack.command-and-control
- attack.t1071.001
logsource:
category: proxy
detection:
selection:
c-uri|contains: 'momyshark\?key='
condition: selection
falsepositives:
- Unlikely
level: critical
False positives
- Unlikely
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.