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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:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "dadc219e-ff11-50c2-a306-4898e5118184"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.open_carrot"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.open_carrot_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "b027bfe178713589e12c0e71da6febe9ea05a10388e8fab3b8164ea80b002904"
		score = 75
		quality = 75
		tags = "FILE"
		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"

	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)

IdentifierTypeValueModifiers
$sequence_0hex{ 4981c700000000 490fb71f 4881cf3f000000 4989ed 4981c50a000000 412b5d00 }
$sequence_1hex{ 7f74 f6c304 756f ba76000000 c7442420ad000000 4c8d0dda0d1000 8d4a98 }
$sequence_2hex{ c3 488d05b24b0600 c3 488d05da4b0600 c3 488d05fa4b0600 c3 }
$sequence_3hex{ 498bcc 488d155bf51000 e8???????? 8d4720 41b87e000000 4863c8 488d1543f51000 }
$sequence_4hex{ e8???????? 85c0 7422 ba75000000 c744242055000000 4c8d0dd85f0a00 8d4ab9 }
$sequence_5hex{ c702ff000000 8d41fd 4883c440 5b c3 33c9 4c8d0d03d91000 }
$sequence_6hex{ 8bd8 488d0569660900 48c1e304 4803d8 74d7 8b4b08 e8???????? }
$sequence_7hex{ 66833c4300 75f6 4898 66448974432e 488d43fe 0f1f840000000000 488d4002 }
$sequence_8hex{ 4989eb 4c31e9 4981c327000000 41810352a65858 4d29d4 4881c900000080 4989eb }
$sequence_9hex{ e8???????? 85c0 0f8551010000 488d4db3 e8???????? 85c0 0f852b010000 }

Condition

7 of them and filesize < 8377344

In 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.

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References

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)

Original rule

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

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE