YARA · Malpedia signator rules
MALPEDIA_Win_Acehash_Auto
autogenerated rule brought to you by yara-signator
MalwareAcehashMalpedia 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: Acehash.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-acehash-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Acehash_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "e16306e5-1f4e-5876-87ba-dcbf55aba90c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.acehash"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.acehash_auto.yar#L1-L129"
= "N/A"
= "458a01b3065c0dbc769ff876bcdff8dca9840dd5d01b83325b94bb7c7fc80936"
= 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 = { 33c3 488d1dbdad0300 89471c 488d3dd7ad0300 418b4b18 4983c310 e8???????? }
$sequence_1 = { 488bc1 48c1f805 488d1554fe0d00 83e11f 486bc958 488b04c2 80640808fe }
$sequence_2 = { c3 4885d2 74f1 4885c9 }
$sequence_3 = { 0bc2 c1e008 0bc8 33d2 41894bfc 453bc2 72b7 }
$sequence_4 = { 418bc2 c1e808 0fb6c8 410fb6c2 4133948900040000 41331481 8b4518 }
$sequence_5 = { 4c8b4c2440 8b7c2420 3b7c242c 7d25 4c8b442458 4c8b542470 448b5c2424 }
$sequence_6 = { 397ddc 746c 4c8d153b94fdff 4b8b84eaa0511100 f644300848 741e ba0a000000 }
$sequence_7 = { 488905???????? ff15???????? 488d15493b0300 483305???????? 488bcb }
$sequence_8 = { 488d0de90a0300 e8???????? 83f8ff 750a b80c00e00c 4883c428 c3 }
$sequence_9 = { 8bd3 498bce 4889442420 e8???????? 4c8d3df4110300 4c8d6738 4c8d0569130300 }
condition:
7 of them and filesize < 2318336
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 33c3 488d1dbdad0300 89471c 488d3dd7ad0300 418b4b18 4983c310 e8???????? } | |
| $sequence_1 | hex | { 488bc1 48c1f805 488d1554fe0d00 83e11f 486bc958 488b04c2 80640808fe } | |
| $sequence_2 | hex | { c3 4885d2 74f1 4885c9 } | |
| $sequence_3 | hex | { 0bc2 c1e008 0bc8 33d2 41894bfc 453bc2 72b7 } | |
| $sequence_4 | hex | { 418bc2 c1e808 0fb6c8 410fb6c2 4133948900040000 41331481 8b4518 } | |
| $sequence_5 | hex | { 4c8b4c2440 8b7c2420 3b7c242c 7d25 4c8b442458 4c8b542470 448b5c2424 } | |
| $sequence_6 | hex | { 397ddc 746c 4c8d153b94fdff 4b8b84eaa0511100 f644300848 741e ba0a000000 } | |
| $sequence_7 | hex | { 488905???????? ff15???????? 488d15493b0300 483305???????? 488bcb } | |
| $sequence_8 | hex | { 488d0de90a0300 e8???????? 83f8ff 750a b80c00e00c 4883c428 c3 } | |
| $sequence_9 | hex | { 8bd3 498bce 4889442420 e8???????? 4c8d3df4110300 4c8d6738 4c8d0569130300 } |
Condition
7 of them and filesize < 2318336In plain words (Heuristic)
- The file must be smaller than 2318336 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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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: e16306e5-1f4e-5876-87ba-dcbf55aba90c
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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