YARA · Malpedia signator rules
MALPEDIA_Win_Equationdrug_Auto
autogenerated rule brought to you by yara-signator
MalwareEquationdrugMalpedia 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: Equationdrug.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-equationdrug-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Equationdrug_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "0721b2fc-701d-52cd-abad-d5844208c546"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.equationdrug"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.equationdrug_auto.yar#L1-L133"
= "N/A"
= "ac135b29af3e337ca0b87d472ac1a1e3e59a03d5184d29a05b687a75ae011152"
= 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???????? 8b4c242c 51 e8???????? 83c404 b805030000 5f }
$sequence_1 = { 8b442464 8b6c246c 03f8 66897c2410 33ff 6685db 7679 }
$sequence_2 = { 895c242c 895c2430 c7442474ffffffff e8???????? b807080000 e9???????? 33ff }
$sequence_3 = { 8b6c2430 668b442434 8bd3 893a 896a04 66894208 83c60a }
$sequence_4 = { 83c434 c3 8b4514 8b08 33c0 8bd1 c1e902 }
$sequence_5 = { 8b4c2410 890f 83c704 3bf8 75f3 83460804 8b4500 }
$sequence_6 = { b800060000 5b 8b4c2468 64890d00000000 83c474 c3 8b9c2488000000 }
$sequence_7 = { 03fb 81c300400000 f3a5 42 33f6 eba9 }
$sequence_8 = { 51 6880000000 8d94248c000000 6a01 52 e8???????? 83c410 }
$sequence_9 = { 51 8944241c 89542424 89742428 8944242c 89542434 89742438 }
condition:
7 of them and filesize < 449536
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? 8b4c242c 51 e8???????? 83c404 b805030000 5f } | |
| $sequence_1 | hex | { 8b442464 8b6c246c 03f8 66897c2410 33ff 6685db 7679 } | |
| $sequence_2 | hex | { 895c242c 895c2430 c7442474ffffffff e8???????? b807080000 e9???????? 33ff } | |
| $sequence_3 | hex | { 8b6c2430 668b442434 8bd3 893a 896a04 66894208 83c60a } | |
| $sequence_4 | hex | { 83c434 c3 8b4514 8b08 33c0 8bd1 c1e902 } | |
| $sequence_5 | hex | { 8b4c2410 890f 83c704 3bf8 75f3 83460804 8b4500 } | |
| $sequence_6 | hex | { b800060000 5b 8b4c2468 64890d00000000 83c474 c3 8b9c2488000000 } | |
| $sequence_7 | hex | { 03fb 81c300400000 f3a5 42 33f6 eba9 } | |
| $sequence_8 | hex | { 51 6880000000 8d94248c000000 6a01 52 e8???????? 83c410 } | |
| $sequence_9 | hex | { 51 8944241c 89542424 89742428 8944242c 89542434 89742438 } |
Condition
7 of them and filesize < 449536In plain words (Heuristic)
- The file must be smaller than 449536 (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.
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: 0721b2fc-701d-52cd-abad-d5844208c546
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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