YARA · Volexity threat-intel
VOLEXITY_Malware_Golang_Discordc2_Bmdyy
Detects a opensource malware available on github using strings in the binary. DISGOMOJI used by TransparentJasmine is based on this malware.
- Author
- threatintel@volexity.com
- Date
- 2024-02-22
- Modified
- 2024-07-05
- Score / Quality
- 75 / 80
What this rule detects
Detects a opensource malware available on github using strings in the binary. DISGOMOJI used by TransparentJasmine is based on this malware.
It defines 1 patterns (1 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
rule VOLEXITY_Malware_Golang_Discordc2_Bmdyy : FILE MEMORY
{
meta:
= "Detects a opensource malware available on github using strings in the binary. DISGOMOJI used by TransparentJasmine is based on this malware."
= "threatintel@volexity.com"
= "1ddbf476-ba2d-5cbb-ad95-38e0ae8db71b"
= "2024-02-22"
= "2024-07-05"
= "https://github.com/bmdyy/discord-c2"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2024/2024-06-13 DISGOMOJI/indicators/rules.yar#L244-L267"
= "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
= "d9f29a626857fa251393f056e454dfc02de53288ebe89a282bad38d03f614529"
= "38b860a43b9937351f74b01983888f18ad101cbe66560feb7455d46b713eba0f"
= 75
= 80
= "FILE, MEMORY"
= "all"
= "all"
= "file,memory"
= "critical"
= "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
= 10264
= 12
strings:
$s1 = "**IP**: %s\n**User**: %s\n**Hostname**: %s\n**OS**: %s\n**CWD**" wide ascii
condition:
$s1
}
Strings (1 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $s1 | text | "**IP**: %s\n**User**: %s\n**Hostname**: %s\n**OS**: %s\n**CWD**" | wide ascii |
Condition
$s1In plain words (Heuristic)
- Pattern $s1 must be present.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
References
Sample hashes
Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).
- d9f29a626857fa251393f056e454dfc02de53288ebe89a282bad38d03f614529
Licence & attribution
Author: threatintel@volexity.com
Source repository: Volexity threat-intel @ 3a9d0b5245
Licence: BSD 2-Clause License (stated in the rule's own meta)
“See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt”
Copyright notice: Copyright 2022 by Volexity, Inc.
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 1ddbf476-ba2d-5cbb-ad95-38e0ae8db71b
Metadata
| os | all |
|---|---|
| os_arch | all |
| scan_context | file,memory |
| severity | critical |
| rule_id | 10264 |
| version | 12 |
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