YARA · Malpedia signator rules
MALPEDIA_Win_Ice_Cache_Auto
autogenerated rule brought to you by yara-signator
MalwareIce CacheMalpedia 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: Ice Cache.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-ice-cache-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ice_Cache_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "c8cd297c-ec1f-5fc6-b8b2-e35339b31f52"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.ice_cache"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ice_cache_auto.yar#L1-L128"
= "N/A"
= "559e40e472e46ff9d60659226f58c40932b63678bb97da17fd2e5e3c180662d8"
= 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 = { 84c0 0f844e010000 48897b10 48837b1810 7205 488b03 eb03 }
$sequence_1 = { 4883ec28 488d0d5db40400 ff15???????? 488d0df0b50400 ff15???????? 488d0d8bb40400 ff15???????? }
$sequence_2 = { 754f 498b4010 80781900 7525 488bd8 488b00 80781900 }
$sequence_3 = { 48894d68 48c7457007000000 66894d58 4883cbff 488b4588 48394810 }
$sequence_4 = { e8???????? 4c8d0db1830100 b915000000 4c8d059d830100 }
$sequence_5 = { 4c8bc7 488d55f7 488d4d97 e8???????? 488b7df7 8b45e7 }
$sequence_6 = { 4d897c2410 49c744241807000000 6645893c24 eb03 4533ff 4c8b45d8 4983f808 }
$sequence_7 = { e8???????? 4885db 7528 488d0d5c450400 e8???????? 488b1d???????? }
$sequence_8 = { 7458 837c245000 7651 4c89742420 4c8d4c2454 41b800100000 488d9580000000 }
$sequence_9 = { 90 488bd0 488d8c24180a0000 e8???????? 90 41b101 4c8bc3 }
condition:
7 of them and filesize < 801792
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 84c0 0f844e010000 48897b10 48837b1810 7205 488b03 eb03 } | |
| $sequence_1 | hex | { 4883ec28 488d0d5db40400 ff15???????? 488d0df0b50400 ff15???????? 488d0d8bb40400 ff15???????? } | |
| $sequence_2 | hex | { 754f 498b4010 80781900 7525 488bd8 488b00 80781900 } | |
| $sequence_3 | hex | { 48894d68 48c7457007000000 66894d58 4883cbff 488b4588 48394810 } | |
| $sequence_4 | hex | { e8???????? 4c8d0db1830100 b915000000 4c8d059d830100 } | |
| $sequence_5 | hex | { 4c8bc7 488d55f7 488d4d97 e8???????? 488b7df7 8b45e7 } | |
| $sequence_6 | hex | { 4d897c2410 49c744241807000000 6645893c24 eb03 4533ff 4c8b45d8 4983f808 } | |
| $sequence_7 | hex | { e8???????? 4885db 7528 488d0d5c450400 e8???????? 488b1d???????? } | |
| $sequence_8 | hex | { 7458 837c245000 7651 4c89742420 4c8d4c2454 41b800100000 488d9580000000 } | |
| $sequence_9 | hex | { 90 488bd0 488d8c24180a0000 e8???????? 90 41b101 4c8bc3 } |
Condition
7 of them and filesize < 801792In plain words (Heuristic)
- The file must be smaller than 801792 (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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: c8cd297c-ec1f-5fc6-b8b2-e35339b31f52
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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