Skip to content

YARA · NCSC (via Open-Source-YARA-rules)

NCSC_Sparrowdoor_Config

Targets the XOR encoded loader config and shellcode in the file libhost.dll using the known position of the XOR key.

MalwareSparrow DoorNCSC (via Open-Source-YARA-rules)No licence (all rights reserved)Compiles with YARA-X
Author
NCSC
Date
2022-02-28
Modified
2022-07-06
Score / Quality
75 / 80

What this rule detects

Targets the XOR encoded loader config and shellcode in the file libhost.dll using the known position of the XOR key.

Associated malware family: Sparrow Door.

It has no patterns: the condition alone decides (modules, file properties or other rules).

Summary generated from the rule's metadata and condition.

Rule source

Rule text not reproduced

This rule comes from NCSC (via Open-Source-YARA-rules), which does not grant a licence to redistribute its rules (No licence (all rights reserved)). We show its metadata only. Read the original rule upstream:

View the rule on GitHubOpen the repository

References

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • c1890a6447c991880467b86a013dbeaa66cc615f

Licence & attribution

Author: NCSC

Source repository: NCSC (via Open-Source-YARA-rules) @ ec0056f767

Licence: No licence (all rights reserved) (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 16eec5b6-c77a-585d-88f3-2c86abdbf2bd

Tags:FILE

More Sparrow Door rules