YARA · Malpedia signator rules
MALPEDIA_Win_Cadelspy_Auto
autogenerated rule brought to you by yara-signator
MalwareCadelspyMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Cadelspy.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-cadelspy-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Cadelspy_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "09d1758f-a520-5c0d-81b5-c2deb27a970c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.cadelspy"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.cadelspy_auto.yar#L1-L121"
= "N/A"
= "fce9390a5d669b33d92b5af3d935821f8b211b393683ce55eed8363c1b662d0d"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 03c7 66890c43 47 eb08 85ff 7e02 }
$sequence_1 = { ff750c be04010000 8bce e8???????? 8b550c 59 }
$sequence_2 = { 2b34bd004c0110 c1fe06 8bc7 c1e005 03f0 8975e4 837de4ff }
$sequence_3 = { 8d9c2464020000 e8???????? 68???????? 8d9c2464020000 e8???????? }
$sequence_4 = { ff15???????? 50 ff15???????? c9 c3 a1???????? }
$sequence_5 = { 83658000 8d4584 53 50 e8???????? 0fbe4584 }
$sequence_6 = { 68???????? eb44 837d8c06 7543 68???????? eb37 8d856c030000 }
$sequence_7 = { 8bcf 8d950cf9ffff e8???????? 33c0 }
$sequence_8 = { bf04010000 57 8d8504f7ffff 50 53 }
$sequence_9 = { 8d7902 668b31 41 41 6685f6 }
condition:
7 of them and filesize < 204800
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 03c7 66890c43 47 eb08 85ff 7e02 } | |
| $sequence_1 | hex | { ff750c be04010000 8bce e8???????? 8b550c 59 } | |
| $sequence_2 | hex | { 2b34bd004c0110 c1fe06 8bc7 c1e005 03f0 8975e4 837de4ff } | |
| $sequence_3 | hex | { 8d9c2464020000 e8???????? 68???????? 8d9c2464020000 e8???????? } | |
| $sequence_4 | hex | { ff15???????? 50 ff15???????? c9 c3 a1???????? } | |
| $sequence_5 | hex | { 83658000 8d4584 53 50 e8???????? 0fbe4584 } | |
| $sequence_6 | hex | { 68???????? eb44 837d8c06 7543 68???????? eb37 8d856c030000 } | |
| $sequence_7 | hex | { 8bcf 8d950cf9ffff e8???????? 33c0 } | |
| $sequence_8 | hex | { bf04010000 57 8d8504f7ffff 50 53 } | |
| $sequence_9 | hex | { 8d7902 668b31 41 41 6685f6 } |
Condition
7 of them and filesize < 204800In plain words (Heuristic)
- The file must be smaller than 204800 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 09d1758f-a520-5c0d-81b5-c2deb27a970c
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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