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MALPEDIA_Win_Powersniff_Auto

autogenerated rule brought to you by yara-signator

MalwarePowersniffMalpedia 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: Powersniff.

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

Summary generated from the rule's metadata and condition.

Rule source

win-powersniff-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Powersniff_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "d9a15ab2-f4aa-5861-a29d-0a1142275d5d"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.powersniff"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.powersniff_auto.yar#L1-L122"
		license_url = "N/A"
		logic_hash = "16f88330ecf20551c60ee3117d183ea0c8f76719f3c28b652c50ef00521f303c"
		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 = { 3314b590800010 8b75ec c1ee18 3314b590780010 0fb675fc }
		$sequence_1 = { 7558 8d45f0 50 8d45f8 }
		$sequence_2 = { 6800000020 8d4590 50 ffd3 50 8d4590 50 }
		$sequence_3 = { 8b4d0c 8364241000 8901 8b44242c }
		$sequence_4 = { 68???????? ffd6 85c0 0f8592000000 68???????? ffd6 85c0 }
		$sequence_5 = { 8d45ec 50 8d45f8 50 ff75f4 e8???????? }
		$sequence_6 = { 85db 7521 e8???????? 8bd8 85db 7516 ff75f8 }
		$sequence_7 = { 85c0 7405 3b4508 7210 ff45fc }
		$sequence_8 = { 393d???????? 7578 8b35???????? 6800010000 57 ff35???????? }
		$sequence_9 = { ff7614 ffd7 8b4d74 8b4570 03c1 8b4d7c 03c1 }

	condition:
		7 of them and filesize < 90112
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 3314b590800010 8b75ec c1ee18 3314b590780010 0fb675fc }
$sequence_1hex{ 7558 8d45f0 50 8d45f8 }
$sequence_2hex{ 6800000020 8d4590 50 ffd3 50 8d4590 50 }
$sequence_3hex{ 8b4d0c 8364241000 8901 8b44242c }
$sequence_4hex{ 68???????? ffd6 85c0 0f8592000000 68???????? ffd6 85c0 }
$sequence_5hex{ 8d45ec 50 8d45f8 50 ff75f4 e8???????? }
$sequence_6hex{ 85db 7521 e8???????? 8bd8 85db 7516 ff75f8 }
$sequence_7hex{ 85c0 7405 3b4508 7210 ff45fc }
$sequence_8hex{ 393d???????? 7578 8b35???????? 6800010000 57 ff35???????? }
$sequence_9hex{ ff7614 ffd7 8b4d74 8b4570 03c1 8b4d7c 03c1 }

Condition

7 of them and filesize < 90112

In plain words (Heuristic)

  • The file must be smaller than 90112 (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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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: d9a15ab2-f4aa-5861-a29d-0a1142275d5d

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