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MALPEDIA_Win_Pwnpos_Auto

autogenerated rule brought to you by yara-signator

MalwarePwnposMalpedia 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: Pwnpos.

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

Summary generated from the rule's metadata and condition.

Rule source

win-pwnpos-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Pwnpos_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "546c439a-ccfe-53bd-bc6f-6c9c0e3bf0ae"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.pwnpos"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.pwnpos_auto.yar#L1-L128"
		license_url = "N/A"
		logic_hash = "be627f6724334036a177ad77a00dc67bf19908c5daa0a6199c0a6d01353fa95a"
		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 = { 83c408 833d????????00 7606 291d???????? 8b4d0c 8b4508 8908 }
		$sequence_1 = { ff2495705d4200 8bc7 ba03000000 83e904 720c 83e003 03c8 }
		$sequence_2 = { 8b0485a0774400 83e61f c1e606 8d443004 8020fd 8bc7 }
		$sequence_3 = { 8b5514 2bc6 51 40 8944242c 48 50 }
		$sequence_4 = { 8b542428 50 8d4c2434 51 52 }
		$sequence_5 = { 56 8bf1 8b4810 3bce 7302 }
		$sequence_6 = { 720f 8b95a0f9ffff 52 e8???????? 83c404 b001 8b4df4 }
		$sequence_7 = { c1e106 030c9da0774400 eb02 8bca f641247f 7525 3bc7 }
		$sequence_8 = { 8b550c 7205 8b520c eb03 83c20c e8???????? }
		$sequence_9 = { 899dd8fdffff 889dc8fdffff e8???????? 83c404 b001 8b4df4 64890d00000000 }

	condition:
		7 of them and filesize < 638976
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 83c408 833d????????00 7606 291d???????? 8b4d0c 8b4508 8908 }
$sequence_1hex{ ff2495705d4200 8bc7 ba03000000 83e904 720c 83e003 03c8 }
$sequence_2hex{ 8b0485a0774400 83e61f c1e606 8d443004 8020fd 8bc7 }
$sequence_3hex{ 8b5514 2bc6 51 40 8944242c 48 50 }
$sequence_4hex{ 8b542428 50 8d4c2434 51 52 }
$sequence_5hex{ 56 8bf1 8b4810 3bce 7302 }
$sequence_6hex{ 720f 8b95a0f9ffff 52 e8???????? 83c404 b001 8b4df4 }
$sequence_7hex{ c1e106 030c9da0774400 eb02 8bca f641247f 7525 3bc7 }
$sequence_8hex{ 8b550c 7205 8b520c eb03 83c20c e8???????? }
$sequence_9hex{ 899dd8fdffff 889dc8fdffff e8???????? 83c404 b001 8b4df4 64890d00000000 }

Condition

7 of them and filesize < 638976

In plain words (Heuristic)

  • The file must be smaller than 638976 (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: 546c439a-ccfe-53bd-bc6f-6c9c0e3bf0ae

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