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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:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "fee8c92d-3778-5bb8-8de5-578c0e236fc4"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ice_event"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ice_event_auto.yar#L1-L127"
		license_url = "N/A"
		logic_hash = "c72030883c1483053b00186d6d00edd861125a16d836c1fbe0abb8100770d8ac"
		score = 75
		quality = 75
		tags = "FILE"
		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"

	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)

IdentifierTypeValueModifiers
$sequence_0hex{ 4533c0 488d55c8 488d4c2430 e8???????? 488d4c2430 e8???????? }
$sequence_1hex{ 4533c0 33d2 33c9 ff15???????? 488d0d8f870100 eb0c 83f901 }
$sequence_2hex{ 8d41ff 8b848218e40100 85c0 745b 83f801 }
$sequence_3hex{ cc 488bc8 e8???????? 4c896c2450 48c74424580f000000 }
$sequence_4hex{ c645e800 488b4520 4883f810 0f822c020000 48ffc0 488b4d08 483d00100000 }
$sequence_5hex{ 448905???????? 33c0 4883c410 5b c3 4883ec38 488d05659a0000 }
$sequence_6hex{ 7225 4883f927 7719 488bc8 e8???????? }
$sequence_7hex{ 90 4c8d051cbe0100 488bd0 488d4da0 e8???????? 90 4c8bc3 }
$sequence_8hex{ 83f8ff 7504 32c0 eb1b 488d15c6b10100 8bc8 e8???????? }
$sequence_9hex{ 488d55e8 488d4da8 e8???????? 90 4c8d4508 488d15f0e90100 488d4c2458 }

Condition

7 of them and filesize < 331776

In 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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References

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)

Original rule

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

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE