YARA · Malpedia signator rules
MALPEDIA_Win_Carrotbat_Auto
autogenerated rule brought to you by yara-signator
MalwareCarrotbatMalpedia 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: Carrotbat.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-carrotbat-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Carrotbat_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "9c5a3a20-60c2-5dcf-a60f-f619d67554ce"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.carrotbat"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.carrotbat_auto.yar#L1-L127"
= "N/A"
= "d882602801007a1975bc3e96f8f6fca5dd27c0a35d61f2403626f094b8ddf9f2"
= 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 = { 8bec 8b4508 ff34c5a0d54000 ff15???????? 5d c3 6a0c }
$sequence_1 = { 668b4c4310 66890c4584ec4000 40 ebe8 33c0 8945e4 3d01010000 }
$sequence_2 = { eb05 68???????? 8d85f8feffff 50 8d85f4fdffff e8???????? }
$sequence_3 = { 42 3bd1 7cf1 8b550c 8d7201 8a1a 42 }
$sequence_4 = { 46 3bf2 7cf2 5f 03d1 5e }
$sequence_5 = { 8a1a 42 84db 75f9 2bd6 33f6 85d2 }
$sequence_6 = { 84c0 75f8 6a1a 59 be???????? }
$sequence_7 = { 68???????? 50 e8???????? 6a02 8bf8 6af8 }
$sequence_8 = { 8dbdf4f9ffff a5 a5 a5 8d85f4fdffff }
$sequence_9 = { 57 e8???????? e8???????? 6803010000 8d85f9feffff 6a00 50 }
condition:
7 of them and filesize < 360448
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8bec 8b4508 ff34c5a0d54000 ff15???????? 5d c3 6a0c } | |
| $sequence_1 | hex | { 668b4c4310 66890c4584ec4000 40 ebe8 33c0 8945e4 3d01010000 } | |
| $sequence_2 | hex | { eb05 68???????? 8d85f8feffff 50 8d85f4fdffff e8???????? } | |
| $sequence_3 | hex | { 42 3bd1 7cf1 8b550c 8d7201 8a1a 42 } | |
| $sequence_4 | hex | { 46 3bf2 7cf2 5f 03d1 5e } | |
| $sequence_5 | hex | { 8a1a 42 84db 75f9 2bd6 33f6 85d2 } | |
| $sequence_6 | hex | { 84c0 75f8 6a1a 59 be???????? } | |
| $sequence_7 | hex | { 68???????? 50 e8???????? 6a02 8bf8 6af8 } | |
| $sequence_8 | hex | { 8dbdf4f9ffff a5 a5 a5 8d85f4fdffff } | |
| $sequence_9 | hex | { 57 e8???????? e8???????? 6803010000 8d85f9feffff 6a00 50 } |
Condition
7 of them and filesize < 360448In plain words (Heuristic)
- The file must be smaller than 360448 (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: 9c5a3a20-60c2-5dcf-a60f-f619d67554ce
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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