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MALPEDIA_Win_Pslogger_Auto

autogenerated rule brought to you by yara-signator

MalwarePsloggerMalpedia 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: Pslogger.

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

Summary generated from the rule's metadata and condition.

Rule source

win-pslogger-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Pslogger_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "03c1b153-a72c-57c3-af9d-51415d4f4bc2"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.pslogger"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.pslogger_auto.yar#L1-L175"
		license_url = "N/A"
		logic_hash = "1abf9100000b1e962c500e057cb6b60580965322939cb04d072db1579dfd4fa0"
		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 = { 488bf9 483b5908 7418 488b0b 4885c9 7406 ff15???????? }
		$sequence_1 = { 8bc8 e8???????? 85c0 743b 4863f0 }
		$sequence_2 = { 7406 ff15???????? b801000000 488b8c2488000000 4833cc e8???????? 4c8d9c2490000000 }
		$sequence_3 = { 488b0e 483bc8 740e 4885c9 7406 }
		$sequence_4 = { e8???????? e9???????? 4c8bc5 33d2 488bc8 e8???????? }
		$sequence_5 = { 7406 ff15???????? 48891e 488bd3 }
		$sequence_6 = { 8b5308 8b4b14 412bc8 448b4b10 }
		$sequence_7 = { 7511 0f1f00 e8???????? 803d????????00 74f2 33c0 }
		$sequence_8 = { 50 e8???????? 83c40c 8d842460030000 6804010000 }
		$sequence_9 = { c787a4af0600a8794200 8894373c1b0000 8d87b41e0000 33f6 8945d8 33d2 }
		$sequence_10 = { ba08000000 90 668950fc 8d4018 66ff87f40f0000 668950e8 }
		$sequence_11 = { 8b04bd88b14200 c644102901 eb2e 0c80 88441628 8b04bd88b14200 c644102902 }
		$sequence_12 = { 6a0a 8854382a 8b048d88b14200 8874382b 8b048d88b14200 5a }
		$sequence_13 = { 68???????? 50 e8???????? 897de8 56 68???????? }
		$sequence_14 = { 83c410 8bf2 668b02 83c202 6685c0 75f5 2bd6 }
		$sequence_15 = { 8d45dc 50 0f1145e0 e8???????? 85db 7407 }

	condition:
		7 of them and filesize < 475136
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 488bf9 483b5908 7418 488b0b 4885c9 7406 ff15???????? }
$sequence_1hex{ 8bc8 e8???????? 85c0 743b 4863f0 }
$sequence_2hex{ 7406 ff15???????? b801000000 488b8c2488000000 4833cc e8???????? 4c8d9c2490000000 }
$sequence_3hex{ 488b0e 483bc8 740e 4885c9 7406 }
$sequence_4hex{ e8???????? e9???????? 4c8bc5 33d2 488bc8 e8???????? }
$sequence_5hex{ 7406 ff15???????? 48891e 488bd3 }
$sequence_6hex{ 8b5308 8b4b14 412bc8 448b4b10 }
$sequence_7hex{ 7511 0f1f00 e8???????? 803d????????00 74f2 33c0 }
$sequence_8hex{ 50 e8???????? 83c40c 8d842460030000 6804010000 }
$sequence_9hex{ c787a4af0600a8794200 8894373c1b0000 8d87b41e0000 33f6 8945d8 33d2 }
$sequence_10hex{ ba08000000 90 668950fc 8d4018 66ff87f40f0000 668950e8 }
$sequence_11hex{ 8b04bd88b14200 c644102901 eb2e 0c80 88441628 8b04bd88b14200 c644102902 }
$sequence_12hex{ 6a0a 8854382a 8b048d88b14200 8874382b 8b048d88b14200 5a }
$sequence_13hex{ 68???????? 50 e8???????? 897de8 56 68???????? }
$sequence_14hex{ 83c410 8bf2 668b02 83c202 6685c0 75f5 2bd6 }
$sequence_15hex{ 8d45dc 50 0f1145e0 e8???????? 85db 7407 }

Condition

7 of them and filesize < 475136

In plain words (Heuristic)

  • The file must be smaller than 475136 (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: 03c1b153-a72c-57c3-af9d-51415d4f4bc2

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