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MALPEDIA_Win_Flagpro_Auto

autogenerated rule brought to you by yara-signator

MalwareFlagproMalpedia 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: Flagpro.

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

Summary generated from the rule's metadata and condition.

Rule source

win-flagpro-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Flagpro_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "915d8413-1c94-59a3-8fec-750c0ee27459"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.flagpro"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.flagpro_auto.yar#L1-L126"
		license_url = "N/A"
		logic_hash = "49eb586758a32a8a5d12bf3563d420340cbcbdeefe3a9c2a1a81b3bdbd08a0ee"
		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 = { 8d47f0 c7442444ffffffff 8d480c 83caff }
		$sequence_1 = { 0f8412010000 396c2458 720d 8b542444 52 e8???????? 83c404 }
		$sequence_2 = { 8b4de4 83c40c 6bc930 8975e0 8db160d64100 8975e4 eb2a }
		$sequence_3 = { 8b55fc 8b75fc c1fa05 8b1495c0cf4500 83e61f c1e606 f644320480 }
		$sequence_4 = { e8???????? 83c404 8d842404010000 e8???????? 8d942404010000 }
		$sequence_5 = { 8b4508 56 8d34c550d84100 833e00 7513 50 }
		$sequence_6 = { 8b4508 8bc8 83e01f c1f905 8b0c8dc0cf4500 c1e006 8d44010c }
		$sequence_7 = { c20800 b8???????? a3???????? c705????????1b004100 c705????????cfff4000 }
		$sequence_8 = { 57 8d3c85340d4200 833f00 bb00100000 7520 53 e8???????? }
		$sequence_9 = { 894c2434 6a00 8d4c2438 51 ffd5 85c0 0f841c010000 }

	condition:
		7 of them and filesize < 1411072
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8d47f0 c7442444ffffffff 8d480c 83caff }
$sequence_1hex{ 0f8412010000 396c2458 720d 8b542444 52 e8???????? 83c404 }
$sequence_2hex{ 8b4de4 83c40c 6bc930 8975e0 8db160d64100 8975e4 eb2a }
$sequence_3hex{ 8b55fc 8b75fc c1fa05 8b1495c0cf4500 83e61f c1e606 f644320480 }
$sequence_4hex{ e8???????? 83c404 8d842404010000 e8???????? 8d942404010000 }
$sequence_5hex{ 8b4508 56 8d34c550d84100 833e00 7513 50 }
$sequence_6hex{ 8b4508 8bc8 83e01f c1f905 8b0c8dc0cf4500 c1e006 8d44010c }
$sequence_7hex{ c20800 b8???????? a3???????? c705????????1b004100 c705????????cfff4000 }
$sequence_8hex{ 57 8d3c85340d4200 833f00 bb00100000 7520 53 e8???????? }
$sequence_9hex{ 894c2434 6a00 8d4c2438 51 ffd5 85c0 0f841c010000 }

Condition

7 of them and filesize < 1411072

In plain words (Heuristic)

  • The file must be smaller than 1411072 (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.

Open in editor

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: 915d8413-1c94-59a3-8fec-750c0ee27459

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

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