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MALPEDIA_Win_Prometei_Auto

autogenerated rule brought to you by yara-signator

MalwarePrometeiMalpedia 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: Prometei.

It defines 16 patterns (0 text, 16 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-prometei-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Prometei_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "b030d67d-9353-573e-ab95-2cb9dc3e850e"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.prometei"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.prometei_auto.yar#L1-L158"
		license_url = "N/A"
		logic_hash = "27c94de93d61051b48ee812ee750f904390b4f00539e2b6cf3993c0b4053b61a"
		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 = { 011d???????? 03c8 8b5de4 a1???????? }
		$sequence_1 = { 0482 b02c dc8cbc6c1c55bb 8cc6 4b }
		$sequence_2 = { 2aba2191fab2 2125???????? 346d 2a91020a2292 b5fd }
		$sequence_3 = { 014368 81434400020000 c7434000000000 83534800 }
		$sequence_4 = { 014358 8b45f0 01435c 8b45fc }
		$sequence_5 = { 55 bb8c132400 4a af }
		$sequence_6 = { 8b75fc 894808 89500c b801000000 f745c000020000 0f44f8 8b45e0 }
		$sequence_7 = { f745c000020000 660f7f45b0 0f44f9 c745c000000000 33c9 897dd8 0fa2 }
		$sequence_8 = { 01435c 8b45fc 014360 8b45f4 }
		$sequence_9 = { 83feff 741f 6a00 8d45d8 50 }
		$sequence_10 = { 013d???????? 8b04b5c8054400 0500080000 3bc8 }
		$sequence_11 = { c745f800000000 33c9 c745c000000000 53 }
		$sequence_12 = { 014354 8b45e8 014358 8b45f0 }
		$sequence_13 = { 014364 8b45e4 014368 5b }
		$sequence_14 = { 014360 8b45f4 014364 8b45e4 }
		$sequence_15 = { 7532 33c0 85ff 742c 8b75d8 03f2 0fbe5405b8 }

	condition:
		7 of them and filesize < 51014656
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 011d???????? 03c8 8b5de4 a1???????? }
$sequence_1hex{ 0482 b02c dc8cbc6c1c55bb 8cc6 4b }
$sequence_2hex{ 2aba2191fab2 2125???????? 346d 2a91020a2292 b5fd }
$sequence_3hex{ 014368 81434400020000 c7434000000000 83534800 }
$sequence_4hex{ 014358 8b45f0 01435c 8b45fc }
$sequence_5hex{ 55 bb8c132400 4a af }
$sequence_6hex{ 8b75fc 894808 89500c b801000000 f745c000020000 0f44f8 8b45e0 }
$sequence_7hex{ f745c000020000 660f7f45b0 0f44f9 c745c000000000 33c9 897dd8 0fa2 }
$sequence_8hex{ 01435c 8b45fc 014360 8b45f4 }
$sequence_9hex{ 83feff 741f 6a00 8d45d8 50 }
$sequence_10hex{ 013d???????? 8b04b5c8054400 0500080000 3bc8 }
$sequence_11hex{ c745f800000000 33c9 c745c000000000 53 }
$sequence_12hex{ 014354 8b45e8 014358 8b45f0 }
$sequence_13hex{ 014364 8b45e4 014368 5b }
$sequence_14hex{ 014360 8b45f4 014364 8b45e4 }
$sequence_15hex{ 7532 33c0 85ff 742c 8b75d8 03f2 0fbe5405b8 }

Condition

7 of them and filesize < 51014656

In plain words (Heuristic)

  • The file must be smaller than 51014656 (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: b030d67d-9353-573e-ab95-2cb9dc3e850e

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