YARA · Malpedia signator rules
MALPEDIA_Win_Andromeda_Auto
autogenerated rule brought to you by yara-signator
MalwareAndromedaMalpedia 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 / 73
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Andromeda.
It defines 32 patterns (0 text, 32 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-andromeda-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Andromeda_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "b2db6139-0ee4-5e8d-86e7-2ff7173b97ea"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.andromeda"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.andromeda_auto.yar#L1-L313"
= "N/A"
= "05ee29e80de3d90a97ea2b212851cd6156ac3e7bdf52b5dc9978b3709eae2c9a"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 3b5d0c 74cf ebcf 33c0 33db }
$sequence_1 = { 3688b42800ffffff 3688942b00ffffff 02d6 81e2ff000000 368a942a00ffffff 301439 41 }
$sequence_2 = { 8bec 81c400ffffff 60 b940000000 8d7dfc b8fcfdfeff fd }
$sequence_3 = { 8b7d10 fec0 368a942800ffffff 02da 368ab42b00ffffff 3688b42800ffffff }
$sequence_4 = { 41 3b4d14 75c3 61 }
$sequence_5 = { e2f8 fc 33c0 8b7508 33db 368a942900ffffff }
$sequence_6 = { b8fcfdfeff fd ab 2d04040404 e2f8 fc 33c0 }
$sequence_7 = { 020433 368ab42800ffffff 3688b42900ffffff 3688942800ffffff fec1 7408 43 }
$sequence_8 = { 60 e8???????? 5d 81ed???????? }
$sequence_9 = { 50 e8???????? 83c40c 6800000100 e8???????? }
$sequence_10 = { 6a00 6a30 8d45d0 50 6a01 ff7508 }
$sequence_11 = { 8a06 33c9 3c5a 0f9ec1 }
$sequence_12 = { 0fb64601 84c0 7905 0d00ffffff }
$sequence_13 = { 33d2 3c41 0f9dc2 85ca 7404 0420 8806 }
$sequence_14 = { 56 ff7508 c745f805000000 c745fc40000000 e8???????? }
$sequence_15 = { 6a02 ffd3 6a32 ffd6 57 57 }
$sequence_16 = { 6a10 8d45e0 50 ff75f0 e8???????? }
$sequence_17 = { 83f800 0f8458010000 6804010000 ff75f8 68???????? e8???????? }
$sequence_18 = { c745e400000000 6a00 6a00 6a00 6a06 }
$sequence_19 = { 6a00 6a00 68???????? 6a00 e8???????? eba9 6a00 }
$sequence_20 = { 8945d8 8945dc 66c745cc0000 c745c801010000 8d458c }
$sequence_21 = { 6a00 6a06 6a01 6a02 e8???????? 8945f0 83f8ff }
$sequence_22 = { 0f8476010000 6804010000 6a00 ff35???????? e8???????? 8945f8 }
$sequence_23 = { e8???????? 6804010000 ff75fc 6a00 }
$sequence_24 = { 83656000 ff560c 0fafd8 ff5638 33f8 81ffb19e42da }
$sequence_25 = { 81ef21181d2d 81c6daf05740 894568 8b4568 81efe681e610 81ce9e5aef4c }
$sequence_26 = { 0f859c000000 81f639913fa9 81e7ca3b0a91 81fe12cdd543 0f84d6fdffff 8d45e0 50 }
$sequence_27 = { 0bf8 81f66cfd417a 81ff6ef42c67 0f84ec070000 }
$sequence_28 = { ff75d4 35ebb0598f 50 ff75cc e8???????? }
$sequence_29 = { 64a130000000 89456c ff5634 2bd8 81ef54666d24 81fb0965812b 0f8406010000 }
$sequence_30 = { ff5630 2bd8 8b4558 81cf23aceabc 39456c 7519 8bc7 }
$sequence_31 = { 69ff903caf90 ff55f4 0faff0 81febed4f06f 0f844bf7ffff 8d45e0 }
condition:
7 of them and filesize < 204800
}
Strings (32 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 3b5d0c 74cf ebcf 33c0 33db } | |
| $sequence_1 | hex | { 3688b42800ffffff 3688942b00ffffff 02d6 81e2ff000000 368a942a00ffffff 301439 41 } | |
| $sequence_2 | hex | { 8bec 81c400ffffff 60 b940000000 8d7dfc b8fcfdfeff fd } | |
| $sequence_3 | hex | { 8b7d10 fec0 368a942800ffffff 02da 368ab42b00ffffff 3688b42800ffffff } | |
| $sequence_4 | hex | { 41 3b4d14 75c3 61 } | |
| $sequence_5 | hex | { e2f8 fc 33c0 8b7508 33db 368a942900ffffff } | |
| $sequence_6 | hex | { b8fcfdfeff fd ab 2d04040404 e2f8 fc 33c0 } | |
| $sequence_7 | hex | { 020433 368ab42800ffffff 3688b42900ffffff 3688942800ffffff fec1 7408 43 } | |
| $sequence_8 | hex | { 60 e8???????? 5d 81ed???????? } | |
| $sequence_9 | hex | { 50 e8???????? 83c40c 6800000100 e8???????? } | |
| $sequence_10 | hex | { 6a00 6a30 8d45d0 50 6a01 ff7508 } | |
| $sequence_11 | hex | { 8a06 33c9 3c5a 0f9ec1 } | |
| $sequence_12 | hex | { 0fb64601 84c0 7905 0d00ffffff } | |
| $sequence_13 | hex | { 33d2 3c41 0f9dc2 85ca 7404 0420 8806 } | |
| $sequence_14 | hex | { 56 ff7508 c745f805000000 c745fc40000000 e8???????? } | |
| $sequence_15 | hex | { 6a02 ffd3 6a32 ffd6 57 57 } | |
| $sequence_16 | hex | { 6a10 8d45e0 50 ff75f0 e8???????? } | |
| $sequence_17 | hex | { 83f800 0f8458010000 6804010000 ff75f8 68???????? e8???????? } | |
| $sequence_18 | hex | { c745e400000000 6a00 6a00 6a00 6a06 } | |
| $sequence_19 | hex | { 6a00 6a00 68???????? 6a00 e8???????? eba9 6a00 } | |
| $sequence_20 | hex | { 8945d8 8945dc 66c745cc0000 c745c801010000 8d458c } | |
| $sequence_21 | hex | { 6a00 6a06 6a01 6a02 e8???????? 8945f0 83f8ff } | |
| $sequence_22 | hex | { 0f8476010000 6804010000 6a00 ff35???????? e8???????? 8945f8 } | |
| $sequence_23 | hex | { e8???????? 6804010000 ff75fc 6a00 } | |
| $sequence_24 | hex | { 83656000 ff560c 0fafd8 ff5638 33f8 81ffb19e42da } | |
| $sequence_25 | hex | { 81ef21181d2d 81c6daf05740 894568 8b4568 81efe681e610 81ce9e5aef4c } | |
| $sequence_26 | hex | { 0f859c000000 81f639913fa9 81e7ca3b0a91 81fe12cdd543 0f84d6fdffff 8d45e0 50 } | |
| $sequence_27 | hex | { 0bf8 81f66cfd417a 81ff6ef42c67 0f84ec070000 } | |
| $sequence_28 | hex | { ff75d4 35ebb0598f 50 ff75cc e8???????? } | |
| $sequence_29 | hex | { 64a130000000 89456c ff5634 2bd8 81ef54666d24 81fb0965812b 0f8406010000 } | |
| $sequence_30 | hex | { ff5630 2bd8 8b4558 81cf23aceabc 39456c 7519 8bc7 } | |
| $sequence_31 | hex | { 69ff903caf90 ff55f4 0faff0 81febed4f06f 0f844bf7ffff 8d45e0 } |
Condition
7 of them and filesize < 204800In plain words (Heuristic)
- The file must be smaller than 204800 (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: b2db6139-0ee4-5e8d-86e7-2ff7173b97ea
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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