YARA · CAPE Sandbox (CAPEv2)
CAPE_Rhadamanthys_1
No description has been set in the source file - CAPE
- Author
- kevoreilly
- Date
- 2023-01-25
- Modified
- 2025-11-11
- Score / Quality
- 75 / 70
What this rule detects
No description has been set in the source file - CAPE
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
rhadamanthys-1.yarGNU General Public License v3.0
rule CAPE_Rhadamanthys_1
{
meta:
= "No description has been set in the source file - CAPE"
= "kevoreilly"
= "d9d387e1-76b3-55f6-a40f-a8c9cb9e9bea"
= "2023-01-25"
= "2025-11-11"
= "https://github.com/kevoreilly/CAPEv2"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/analyzer/windows/data/yara/Rhadamanthys.yar#L1-L13"
= "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
= "3c8fbfe14f81e099fc900023d9c856e3f45b99af38889ed952b2ac67a636f51d"
= 75
= 70
= ""
= "bp0=$conf-11,hc0=1,action0=setdump:edx::ebx,bp1=$conf+64,hc1=1,action1=dump,count=0,typestring=Rhadamanthys Config,ntdll-protect=0"
= "9e28586ab70b1abdccfe087d81e326a0703f75e9551ced187d37c51130ad02f5"
strings:
$rc4 = {88 4C 01 08 41 81 F9 00 01 00 00 7C F3 89 75 08 33 FF 8B 4D 08 3B 4D 10 72 04 83 65 08 00}
$code = {8B 4D FC 3B CF 8B C1 74 0D 83 78 04 02 74 1C 8B 40 1C 3B C7 75 F3 3B CF 8B C1 74 57 83 78 04 17 74 09 8B 40 1C 3B C7 75 F3 EB}
$conf = {46 BB FF 00 00 00 23 F3 0F B6 44 31 08 03 F8 23 FB 0F B6 5C 39 08 88 5C 31 08 88 44 39 08 02 C3 8B 5D 08 0F B6 C0 8A 44 08 08}
condition:
2 of them
}
Strings (3 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $rc4 | hex | {88 4C 01 08 41 81 F9 00 01 00 00 7C F3 89 75 08 33 FF 8B 4D 08 3B 4D 10 72 04 83 65 08 00} | |
| $code | hex | {8B 4D FC 3B CF 8B C1 74 0D 83 78 04 02 74 1C 8B 40 1C 3B C7 75 F3 3B CF 8B C1 74 57 83 78 04 17 74 09 8B 40 1C 3B C7 75 F3 EB} | |
| $conf | hex | {46 BB FF 00 00 00 23 F3 0F B6 44 31 08 03 F8 23 FB 0F B6 5C 39 08 88 5C 31 08 88 44 39 08 02 C3 8B 5D 08 0F B6 C0 8A 44 08 08} |
Condition
2 of themIn plain words (Heuristic)
- At least 2 patterns in the rule must match.
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References
Licence & attribution
Author: kevoreilly
Source repository: CAPE Sandbox (CAPEv2) @ 6b15e76f28
Licence: GNU General Public License v3.0 (repository licence)
Copyright notice: Cuckoo Sandbox is copyrighted by the Cuckoo Foundation.
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: d9d387e1-76b3-55f6-a40f-a8c9cb9e9bea
Metadata
| cape_options | bp0=$conf-11,hc0=1,action0=setdump:edx::ebx,bp1=$conf+64,hc1=1,action1=dump,count=0,typestring=Rhadamanthys Config,ntdll-protect=0 |
|---|---|
| packed | 9e28586ab70b1abdccfe087d81e326a0703f75e9551ced187d37c51130ad02f5 |
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