YARA · Malpedia signator rules
MALPEDIA_Win_Open_Carrot_Auto
autogenerated rule brought to you by yara-signator
MalwareOpen CarrotMalpedia 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: Open Carrot.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-open-carrot-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Open_Carrot_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "dadc219e-ff11-50c2-a306-4898e5118184"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.open_carrot"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.open_carrot_auto.yar#L1-L133"
= "N/A"
= "b027bfe178713589e12c0e71da6febe9ea05a10388e8fab3b8164ea80b002904"
= 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 = { 4981c700000000 490fb71f 4881cf3f000000 4989ed 4981c50a000000 412b5d00 }
$sequence_1 = { 7f74 f6c304 756f ba76000000 c7442420ad000000 4c8d0dda0d1000 8d4a98 }
$sequence_2 = { c3 488d05b24b0600 c3 488d05da4b0600 c3 488d05fa4b0600 c3 }
$sequence_3 = { 498bcc 488d155bf51000 e8???????? 8d4720 41b87e000000 4863c8 488d1543f51000 }
$sequence_4 = { e8???????? 85c0 7422 ba75000000 c744242055000000 4c8d0dd85f0a00 8d4ab9 }
$sequence_5 = { c702ff000000 8d41fd 4883c440 5b c3 33c9 4c8d0d03d91000 }
$sequence_6 = { 8bd8 488d0569660900 48c1e304 4803d8 74d7 8b4b08 e8???????? }
$sequence_7 = { 66833c4300 75f6 4898 66448974432e 488d43fe 0f1f840000000000 488d4002 }
$sequence_8 = { 4989eb 4c31e9 4981c327000000 41810352a65858 4d29d4 4881c900000080 4989eb }
$sequence_9 = { e8???????? 85c0 0f8551010000 488d4db3 e8???????? 85c0 0f852b010000 }
condition:
7 of them and filesize < 8377344
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 4981c700000000 490fb71f 4881cf3f000000 4989ed 4981c50a000000 412b5d00 } | |
| $sequence_1 | hex | { 7f74 f6c304 756f ba76000000 c7442420ad000000 4c8d0dda0d1000 8d4a98 } | |
| $sequence_2 | hex | { c3 488d05b24b0600 c3 488d05da4b0600 c3 488d05fa4b0600 c3 } | |
| $sequence_3 | hex | { 498bcc 488d155bf51000 e8???????? 8d4720 41b87e000000 4863c8 488d1543f51000 } | |
| $sequence_4 | hex | { e8???????? 85c0 7422 ba75000000 c744242055000000 4c8d0dd85f0a00 8d4ab9 } | |
| $sequence_5 | hex | { c702ff000000 8d41fd 4883c440 5b c3 33c9 4c8d0d03d91000 } | |
| $sequence_6 | hex | { 8bd8 488d0569660900 48c1e304 4803d8 74d7 8b4b08 e8???????? } | |
| $sequence_7 | hex | { 66833c4300 75f6 4898 66448974432e 488d43fe 0f1f840000000000 488d4002 } | |
| $sequence_8 | hex | { 4989eb 4c31e9 4981c327000000 41810352a65858 4d29d4 4881c900000080 4989eb } | |
| $sequence_9 | hex | { e8???????? 85c0 0f8551010000 488d4db3 e8???????? 85c0 0f852b010000 } |
Condition
7 of them and filesize < 8377344In plain words (Heuristic)
- The file must be smaller than 8377344 (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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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: dadc219e-ff11-50c2-a306-4898e5118184
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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