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MALPEDIA_Win_Apocalipto_Auto

autogenerated rule brought to you by yara-signator

MalwareApocaliptoMalpedia 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: Apocalipto.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-apocalipto-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Apocalipto_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "cf312cec-0f73-5d08-8475-4d7fe29a0f23"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.apocalipto"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.apocalipto_auto.yar#L1-L124"
		license_url = "N/A"
		logic_hash = "f2b397cd33f5a73ed02ae8827c94ca1277e557e9365d20d9ae80c64009249604"
		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 = { 83ec08 a3???????? 85c0 0f84440a0000 c7442404???????? 891c24 ff15???????? }
		$sequence_1 = { 84c9 740a 880a 42 43 }
		$sequence_2 = { 83ec24 e8???????? 89c3 c7442404???????? 890424 }
		$sequence_3 = { e8???????? e9???????? c744240800400000 897c2404 893424 ff15???????? 83ec0c }
		$sequence_4 = { 8b4d0c 39ce 75b8 8910 895804 }
		$sequence_5 = { ff15???????? 83ec08 a3???????? 85c0 0f843f010000 }
		$sequence_6 = { 89542404 893c24 e8???????? 89c2 85c0 7430 8b85c8f3ffff }
		$sequence_7 = { a3???????? 85c0 0f8473070000 c7442404???????? 891c24 ff15???????? 83ec08 }
		$sequence_8 = { ff15???????? 83ec08 a3???????? 85c0 0f84850a0000 c7442404???????? }
		$sequence_9 = { 893424 e8???????? 89f0 83c40c 5b 5e }

	condition:
		7 of them and filesize < 212992
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 83ec08 a3???????? 85c0 0f84440a0000 c7442404???????? 891c24 ff15???????? }
$sequence_1hex{ 84c9 740a 880a 42 43 }
$sequence_2hex{ 83ec24 e8???????? 89c3 c7442404???????? 890424 }
$sequence_3hex{ e8???????? e9???????? c744240800400000 897c2404 893424 ff15???????? 83ec0c }
$sequence_4hex{ 8b4d0c 39ce 75b8 8910 895804 }
$sequence_5hex{ ff15???????? 83ec08 a3???????? 85c0 0f843f010000 }
$sequence_6hex{ 89542404 893c24 e8???????? 89c2 85c0 7430 8b85c8f3ffff }
$sequence_7hex{ a3???????? 85c0 0f8473070000 c7442404???????? 891c24 ff15???????? 83ec08 }
$sequence_8hex{ ff15???????? 83ec08 a3???????? 85c0 0f84850a0000 c7442404???????? }
$sequence_9hex{ 893424 e8???????? 89f0 83c40c 5b 5e }

Condition

7 of them and filesize < 212992

In plain words (Heuristic)

  • The file must be smaller than 212992 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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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: cf312cec-0f73-5d08-8475-4d7fe29a0f23

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