YARA · Malpedia signator rules
MALPEDIA_Win_Makop_Ransomware_Auto
autogenerated rule brought to you by yara-signator
MalwareMakop RansomwareMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2023-07-11
- Modified
- 2023-07-15
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Makop Ransomware.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-makop-ransomware-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Makop_Ransomware_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "cd34e745-9497-5ffc-bd73-ecb5996e2067"
= "2023-07-11"
= "2023-07-15"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.makop_ransomware"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.makop_ransomware_auto.yar#L1-L124"
= "N/A"
= "3c7cc3419f322a8e9eb8473ecaf54fc5da0725e8a0f35ff3f90245e28389848b"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20230705"
= "42d0574f4405bd7d2b154d321d345acb18834a41"
= "20230715"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { eb02 33f6 803d????????00 751f 803d????????00 7516 80fb01 }
$sequence_1 = { 52 50 51 e8???????? 8b542430 83c40c 68e0930400 }
$sequence_2 = { 52 66c7060802 66c746041066 c6460820 }
$sequence_3 = { 56 ff15???????? 85c0 750b 8906 32c0 5e }
$sequence_4 = { 83c001 84c9 75f7 2bc7 83e801 39442404 720a }
$sequence_5 = { ffd6 85ff 740f 85db 740b 837c242000 7404 }
$sequence_6 = { 8b2d???????? 3beb 742e 8b4524 3bc3 7407 50 }
$sequence_7 = { 7416 e8???????? 6a00 e8???????? 83c404 }
$sequence_8 = { e8???????? 8b442418 83c40c 8b4f0c }
$sequence_9 = { 742f 33c0 3906 763d 8d4c2448 }
condition:
7 of them and filesize < 107520
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { eb02 33f6 803d????????00 751f 803d????????00 7516 80fb01 } | |
| $sequence_1 | hex | { 52 50 51 e8???????? 8b542430 83c40c 68e0930400 } | |
| $sequence_2 | hex | { 52 66c7060802 66c746041066 c6460820 } | |
| $sequence_3 | hex | { 56 ff15???????? 85c0 750b 8906 32c0 5e } | |
| $sequence_4 | hex | { 83c001 84c9 75f7 2bc7 83e801 39442404 720a } | |
| $sequence_5 | hex | { ffd6 85ff 740f 85db 740b 837c242000 7404 } | |
| $sequence_6 | hex | { 8b2d???????? 3beb 742e 8b4524 3bc3 7407 50 } | |
| $sequence_7 | hex | { 7416 e8???????? 6a00 e8???????? 83c404 } | |
| $sequence_8 | hex | { e8???????? 8b442418 83c40c 8b4f0c } | |
| $sequence_9 | hex | { 742f 33c0 3906 763d 8d4c2448 } |
Condition
7 of them and filesize < 107520In plain words (Heuristic)
- The file must be smaller than 107520 (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: cd34e745-9497-5ffc-bd73-ecb5996e2067
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20230705 |
| malpedia_hash | 42d0574f4405bd7d2b154d321d345acb18834a41 |
| malpedia_version | 20230715 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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