YARA · Malpedia signator rules
MALPEDIA_Win_Punkey_Pos_Auto
autogenerated rule brought to you by yara-signator
MalwarePunkey PosMalpedia 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: Punkey Pos.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-punkey-pos-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Punkey_Pos_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "b33dbe9f-a2d5-5b11-8898-603f9e688b2e"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.punkey_pos"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.punkey_pos_auto.yar#L1-L122"
= "N/A"
= "8a2404869671c9582f68667ae44a4ef516f5f7f0be17b90050040d3476fbb3b1"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 55 8bec 8b4508 85c0 7919 8b4d10 8b550c }
$sequence_1 = { 56 ffd7 a3???????? 85c0 74e1 }
$sequence_2 = { 8b0d???????? 56 57 6a00 51 ff15???????? 5f }
$sequence_3 = { 55 8bec 8b4508 85c0 7919 8b4d10 }
$sequence_4 = { 50 ff15???????? ff05???????? 8b0d???????? 56 }
$sequence_5 = { ff15???????? 5d c20c00 75e5 56 8b7510 }
$sequence_6 = { ff05???????? 8b0d???????? 56 57 6a00 51 }
$sequence_7 = { 50 ff15???????? c705????????00000000 c3 3b0d???????? }
$sequence_8 = { 57 68e7070000 50 ff15???????? ff05???????? }
$sequence_9 = { 57 8b7d0c f7c600000040 741d a1???????? 85c0 }
condition:
7 of them and filesize < 499712
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 55 8bec 8b4508 85c0 7919 8b4d10 8b550c } | |
| $sequence_1 | hex | { 56 ffd7 a3???????? 85c0 74e1 } | |
| $sequence_2 | hex | { 8b0d???????? 56 57 6a00 51 ff15???????? 5f } | |
| $sequence_3 | hex | { 55 8bec 8b4508 85c0 7919 8b4d10 } | |
| $sequence_4 | hex | { 50 ff15???????? ff05???????? 8b0d???????? 56 } | |
| $sequence_5 | hex | { ff15???????? 5d c20c00 75e5 56 8b7510 } | |
| $sequence_6 | hex | { ff05???????? 8b0d???????? 56 57 6a00 51 } | |
| $sequence_7 | hex | { 50 ff15???????? c705????????00000000 c3 3b0d???????? } | |
| $sequence_8 | hex | { 57 68e7070000 50 ff15???????? ff05???????? } | |
| $sequence_9 | hex | { 57 8b7d0c f7c600000040 741d a1???????? 85c0 } |
Condition
7 of them and filesize < 499712In plain words (Heuristic)
- The file must be smaller than 499712 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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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)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: b33dbe9f-a2d5-5b11-8898-603f9e688b2e
Metadata
| 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 |
Tags:FILE
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