YARA · CAPE Sandbox (CAPEv2)
CAPE_Rhadamanthysloader
Rhadamanthys Loader
- Author
- kevoreilly
- Date
- 2023-01-25
- Modified
- 2025-12-19
- Score / Quality
- 75 / 70
What this rule detects
Rhadamanthys Loader
Associated malware family: Rhadamanthys.
It defines 3 patterns (0 text, 3 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
rhadamanthysloader.yarGNU General Public License v3.0
rule CAPE_Rhadamanthysloader
{
meta:
= "Rhadamanthys Loader"
= "kevoreilly"
= "0d9955e8-c6e5-50f0-8006-8f6157038d40"
= "2023-01-25"
= "2025-12-19"
= "https://github.com/kevoreilly/CAPEv2"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/data/yara/CAPE/Rhadamanthys.yar#L21-L33"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
= "5505c9ba1f0c6cb9aa9c212bf8bc2c49ad544e99996a1f4c1fa79a27a14d4c7f"
= 75
= 70
= ""
= "Rhadamanthys Loader"
strings:
$ref = {33 D2 B9 0B 00 00 00 F7 F1 B8 01 00 00 00 6B C8 00 8D 84 0D [4] 0F BE 0C 10 8B 95 [4] 03 95 [4] 0F B6 02 33 C1 8B 8D [4] 03 8D [4] 88 01}
$ntdll = {B9 6E 00 00 00 66 89 8D [4] BA 74 00 00 00 66 89 95 [4] B8 64 00 00 00 66 89 85 [4] B9 6C 00 00 00 66 89 8D [4] BA 6C 00 00 00 66 89 95}
$exit = {6A 00 6A 00 6A 00 6A 00 6A 00 6A 00 8B 95 [4] 52 8B 85 [4] 50 6A 00 68 FF FF 1F 00}
condition:
2 of them
}
Strings (3 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $ref | hex | {33 D2 B9 0B 00 00 00 F7 F1 B8 01 00 00 00 6B C8 00 8D 84 0D [4] 0F BE 0C 10 8B 95 [4] 03 95 [4] 0F B6 02 33 C1 8B 8D [4] 03 8D [4] 88 01} | |
| $ntdll | hex | {B9 6E 00 00 00 66 89 8D [4] BA 74 00 00 00 66 89 95 [4] B8 64 00 00 00 66 89 85 [4] B9 6C 00 00 00 66 89 8D [4] BA 6C 00 00 00 66 89 95} | |
| $exit | hex | {6A 00 6A 00 6A 00 6A 00 6A 00 6A 00 8B 95 [4] 52 8B 85 [4] 50 6A 00 68 FF FF 1F 00} |
Condition
2 of themIn plain words (Heuristic)
- At least 2 patterns in the rule must match.
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References
Licence & attribution
Author: kevoreilly
Source repository: CAPE Sandbox (CAPEv2) @ 6b15e76f28
Licence: GNU General Public License v3.0 (repository licence)
Copyright notice: Cuckoo Sandbox is copyrighted by the Cuckoo Foundation.
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 0d9955e8-c6e5-50f0-8006-8f6157038d40
Metadata
| cape_type | Rhadamanthys Loader |
|---|
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