YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_124_Auto
autogenerated rule brought to you by yara-signator
- 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
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-unidentified-124-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_124_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1e195d92-1436-5453-8133-621d28999f98"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_124"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_124_auto.yar#L1-L134"
= "N/A"
= "897043e2ece6f42de8cc6f5bf54f809807e1152ae2b4d097776126ea6e52de0c"
= 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 = { e8???????? c744247010001000 48833d????????00 751f ba2e621aaa b988030612 e8???????? }
$sequence_1 = { c7851405000032525844 c785180500009d913a04 c7851c0500004c688982 b881430000 c7852005000028010b56 6689854c060000 c78524050000fb30fdcd }
$sequence_2 = { e8???????? 488905???????? 488bc8 e8???????? 488bcf e8???????? 8bc3 }
$sequence_3 = { 3b5c2430 72ec 488d542420 488bcf e8???????? 33c0 488b5c2470 }
$sequence_4 = { 8d4a12 c745b05f02fb84 c745b4fdc8b9c6 c745b8ba755a57 c745bcdc929897 c745c09d09bf0f c745c46269c3c1 }
$sequence_5 = { e8???????? 33f6 4d85ff 740f 488d5540 498bcf e8???????? }
$sequence_6 = { e8???????? 48c705????????00000000 488bc7 488bbc2490000000 488b8c2480000000 4833cc e8???????? }
$sequence_7 = { 8bf9 65488b042530000000 488b4830 8b5148 488b0d???????? 488b01 483bc1 }
$sequence_8 = { b99a45ec02 e8???????? 488905???????? 488bc8 e8???????? 4c8d85a0090000 33d2 }
$sequence_9 = { c744242804000000 488908 488d0db8fb0500 442bf1 8975f7 498d48ff 4c897507 }
condition:
7 of them and filesize < 1437696
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? c744247010001000 48833d????????00 751f ba2e621aaa b988030612 e8???????? } | |
| $sequence_1 | hex | { c7851405000032525844 c785180500009d913a04 c7851c0500004c688982 b881430000 c7852005000028010b56 6689854c060000 c78524050000fb30fdcd } | |
| $sequence_2 | hex | { e8???????? 488905???????? 488bc8 e8???????? 488bcf e8???????? 8bc3 } | |
| $sequence_3 | hex | { 3b5c2430 72ec 488d542420 488bcf e8???????? 33c0 488b5c2470 } | |
| $sequence_4 | hex | { 8d4a12 c745b05f02fb84 c745b4fdc8b9c6 c745b8ba755a57 c745bcdc929897 c745c09d09bf0f c745c46269c3c1 } | |
| $sequence_5 | hex | { e8???????? 33f6 4d85ff 740f 488d5540 498bcf e8???????? } | |
| $sequence_6 | hex | { e8???????? 48c705????????00000000 488bc7 488bbc2490000000 488b8c2480000000 4833cc e8???????? } | |
| $sequence_7 | hex | { 8bf9 65488b042530000000 488b4830 8b5148 488b0d???????? 488b01 483bc1 } | |
| $sequence_8 | hex | { b99a45ec02 e8???????? 488905???????? 488bc8 e8???????? 4c8d85a0090000 33d2 } | |
| $sequence_9 | hex | { c744242804000000 488908 488d0db8fb0500 442bf1 8975f7 498d48ff 4c897507 } |
Condition
7 of them and filesize < 1437696In plain words (Heuristic)
- The file must be smaller than 1437696 (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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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: 1e195d92-1436-5453-8133-621d28999f98
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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