YARA · Malpedia signator rules
MALPEDIA_Win_Ice_Event_Auto
autogenerated rule brought to you by yara-signator
MalwareIce EventMalpedia 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 Event.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-ice-event-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ice_Event_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "fee8c92d-3778-5bb8-8de5-578c0e236fc4"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.ice_event"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ice_event_auto.yar#L1-L127"
= "N/A"
= "c72030883c1483053b00186d6d00edd861125a16d836c1fbe0abb8100770d8ac"
= 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 = { 4533c0 488d55c8 488d4c2430 e8???????? 488d4c2430 e8???????? }
$sequence_1 = { 4533c0 33d2 33c9 ff15???????? 488d0d8f870100 eb0c 83f901 }
$sequence_2 = { 8d41ff 8b848218e40100 85c0 745b 83f801 }
$sequence_3 = { cc 488bc8 e8???????? 4c896c2450 48c74424580f000000 }
$sequence_4 = { c645e800 488b4520 4883f810 0f822c020000 48ffc0 488b4d08 483d00100000 }
$sequence_5 = { 448905???????? 33c0 4883c410 5b c3 4883ec38 488d05659a0000 }
$sequence_6 = { 7225 4883f927 7719 488bc8 e8???????? }
$sequence_7 = { 90 4c8d051cbe0100 488bd0 488d4da0 e8???????? 90 4c8bc3 }
$sequence_8 = { 83f8ff 7504 32c0 eb1b 488d15c6b10100 8bc8 e8???????? }
$sequence_9 = { 488d55e8 488d4da8 e8???????? 90 4c8d4508 488d15f0e90100 488d4c2458 }
condition:
7 of them and filesize < 331776
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 4533c0 488d55c8 488d4c2430 e8???????? 488d4c2430 e8???????? } | |
| $sequence_1 | hex | { 4533c0 33d2 33c9 ff15???????? 488d0d8f870100 eb0c 83f901 } | |
| $sequence_2 | hex | { 8d41ff 8b848218e40100 85c0 745b 83f801 } | |
| $sequence_3 | hex | { cc 488bc8 e8???????? 4c896c2450 48c74424580f000000 } | |
| $sequence_4 | hex | { c645e800 488b4520 4883f810 0f822c020000 48ffc0 488b4d08 483d00100000 } | |
| $sequence_5 | hex | { 448905???????? 33c0 4883c410 5b c3 4883ec38 488d05659a0000 } | |
| $sequence_6 | hex | { 7225 4883f927 7719 488bc8 e8???????? } | |
| $sequence_7 | hex | { 90 4c8d051cbe0100 488bd0 488d4da0 e8???????? 90 4c8bc3 } | |
| $sequence_8 | hex | { 83f8ff 7504 32c0 eb1b 488d15c6b10100 8bc8 e8???????? } | |
| $sequence_9 | hex | { 488d55e8 488d4da8 e8???????? 90 4c8d4508 488d15f0e90100 488d4c2458 } |
Condition
7 of them and filesize < 331776In plain words (Heuristic)
- The file must be smaller than 331776 (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: fee8c92d-3778-5bb8-8de5-578c0e236fc4
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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