YARA · Malpedia signator rules
MALPEDIA_Win_Doubleback_Auto
autogenerated rule brought to you by yara-signator
MalwareDoublebackMalpedia 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: Doubleback.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-doubleback-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Doubleback_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "accfd98a-95e6-5d78-8a91-86c1649ee32f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.doubleback"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.doubleback_auto.yar#L1-L118"
= "N/A"
= "b96df0b0c7f3353e72c4ad79211ff5cce481a2dae1949bcbadfd8f41ef95e991"
= 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 = { eb42 b9e3050000 eb3b b90b070000 }
$sequence_1 = { 755e b9ad060000 eb57 b9a7060000 eb50 b947060000 eb49 }
$sequence_2 = { 3d00280000 7438 3d5a290000 742a 3d39380000 741c }
$sequence_3 = { 7438 3d5a290000 742a 3d39380000 741c 3dd73a0000 }
$sequence_4 = { b9d4070000 eb13 b975070000 eb0c b96f070000 eb05 b911070000 }
$sequence_5 = { 3d00280000 7438 3d5a290000 742a }
$sequence_6 = { b9e3050000 eb3b b90b070000 eb34 2d63450000 }
$sequence_7 = { 3dab3f0000 755e b9ad060000 eb57 b9a7060000 }
$sequence_8 = { eb50 b947060000 eb49 b9e7050000 eb42 b9e3050000 }
$sequence_9 = { 742a 3d39380000 741c 3dd73a0000 }
condition:
7 of them and filesize < 106496
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { eb42 b9e3050000 eb3b b90b070000 } | |
| $sequence_1 | hex | { 755e b9ad060000 eb57 b9a7060000 eb50 b947060000 eb49 } | |
| $sequence_2 | hex | { 3d00280000 7438 3d5a290000 742a 3d39380000 741c } | |
| $sequence_3 | hex | { 7438 3d5a290000 742a 3d39380000 741c 3dd73a0000 } | |
| $sequence_4 | hex | { b9d4070000 eb13 b975070000 eb0c b96f070000 eb05 b911070000 } | |
| $sequence_5 | hex | { 3d00280000 7438 3d5a290000 742a } | |
| $sequence_6 | hex | { b9e3050000 eb3b b90b070000 eb34 2d63450000 } | |
| $sequence_7 | hex | { 3dab3f0000 755e b9ad060000 eb57 b9a7060000 } | |
| $sequence_8 | hex | { eb50 b947060000 eb49 b9e7050000 eb42 b9e3050000 } | |
| $sequence_9 | hex | { 742a 3d39380000 741c 3dd73a0000 } |
Condition
7 of them and filesize < 106496In plain words (Heuristic)
- The file must be smaller than 106496 (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: accfd98a-95e6-5d78-8a91-86c1649ee32f
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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