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MALPEDIA_Win_Glooxmail_Auto

autogenerated rule brought to you by yara-signator

MalwareGlooxmailMalpedia 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: Glooxmail.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-glooxmail-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Glooxmail_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "ee27c053-4b40-5b4d-9153-7e649de368b4"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.glooxmail"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.glooxmail_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "4100a5c0d9e26ced829f24e47015acb23b4cfe8f247688d848bb8d900c3527e9"
		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 = { 8d4dc0 e9???????? c3 8d8d3cffffff e9???????? 8d4dc0 e9???????? }
		$sequence_1 = { 2500000008 0f8415000000 81a5acf7fffffffffff7 8d8d18fcffff e9???????? c3 }
		$sequence_2 = { 6a01 8d8c2450030000 e8???????? 6880000000 e8???????? 59 89442414 }
		$sequence_3 = { 2500000200 0f8415000000 81a5acf7fffffffffdff 8d8d7cffffff e9???????? c3 8d8df4fdffff }
		$sequence_4 = { 7437 6a44 e8???????? 8bf8 59 897c2414 33f6 }
		$sequence_5 = { 8bf0 e8???????? 6a00 57 8d8d00ffffff e8???????? 6a00 }
		$sequence_6 = { 884573 e8???????? 53 6a01 8d4d38 e8???????? 834dfcff }
		$sequence_7 = { 81ec9c010000 a1???????? 33c5 8945fc 56 8d8568feffff 50 }
		$sequence_8 = { c745e001000000 897de4 e8???????? 8365f000 85ff 0f860d010000 be???????? }
		$sequence_9 = { ffb5b0f7ffff e8???????? 59 c3 8b85acf7ffff 83e010 0f8412000000 }

	condition:
		7 of them and filesize < 761856
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8d4dc0 e9???????? c3 8d8d3cffffff e9???????? 8d4dc0 e9???????? }
$sequence_1hex{ 2500000008 0f8415000000 81a5acf7fffffffffff7 8d8d18fcffff e9???????? c3 }
$sequence_2hex{ 6a01 8d8c2450030000 e8???????? 6880000000 e8???????? 59 89442414 }
$sequence_3hex{ 2500000200 0f8415000000 81a5acf7fffffffffdff 8d8d7cffffff e9???????? c3 8d8df4fdffff }
$sequence_4hex{ 7437 6a44 e8???????? 8bf8 59 897c2414 33f6 }
$sequence_5hex{ 8bf0 e8???????? 6a00 57 8d8d00ffffff e8???????? 6a00 }
$sequence_6hex{ 884573 e8???????? 53 6a01 8d4d38 e8???????? 834dfcff }
$sequence_7hex{ 81ec9c010000 a1???????? 33c5 8945fc 56 8d8568feffff 50 }
$sequence_8hex{ c745e001000000 897de4 e8???????? 8365f000 85ff 0f860d010000 be???????? }
$sequence_9hex{ ffb5b0f7ffff e8???????? 59 c3 8b85acf7ffff 83e010 0f8412000000 }

Condition

7 of them and filesize < 761856

In plain words (Heuristic)

  • The file must be smaller than 761856 (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: ee27c053-4b40-5b4d-9153-7e649de368b4

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