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MALPEDIA_Win_Sathurbot_Auto

autogenerated rule brought to you by yara-signator

MalwareSathurbotMalpedia 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: Sathurbot.

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

Summary generated from the rule's metadata and condition.

Rule source

win-sathurbot-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Sathurbot_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "cdf673a7-2ef8-51a2-b7fc-cddcf54ebfb9"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.sathurbot"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.sathurbot_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "12a6a476ceac246b505e8c1facaabf0d67abc6e9a30e866cbec6c029f57786fe"
		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 = { f6c601 ba22f8520e 0f45d0 89d7 81ff0f753531 89da 74f4 }
		$sequence_1 = { ebba c70424???????? 89f1 e8???????? 83ec04 85c0 0f958424d3020000 }
		$sequence_2 = { f6c101 b87f2fecea 0f45c7 3d31ee0d42 7f26 3d595adebc 742f }
		$sequence_3 = { e9???????? 81fb00647d02 7f43 81fb33c3bdff bae82c8662 0f852cd1ffff a1???????? }
		$sequence_4 = { f6c101 0f94c0 813d????????0a000000 0f9cc1 08c1 b831656685 b971a69e55 }
		$sequence_5 = { e8???????? 83c408 83ec04 893c24 bfb5092650 89d9 e8???????? }
		$sequence_6 = { e8???????? 83ec04 8b442448 89442404 893424 e8???????? 83ec08 }
		$sequence_7 = { 83ec24 894de8 a1???????? 8b0d???????? 8d50ff 0fafd0 f6c201 }
		$sequence_8 = { e9???????? 81f9e9b5e244 741c 81f9efb2794c bebbba1e5f 7523 8a4de2 }
		$sequence_9 = { 8d7c2448 89f9 e8???????? 83ec08 897c245c b84863c320 bfdedd0bff }

	condition:
		7 of them and filesize < 2727936
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ f6c601 ba22f8520e 0f45d0 89d7 81ff0f753531 89da 74f4 }
$sequence_1hex{ ebba c70424???????? 89f1 e8???????? 83ec04 85c0 0f958424d3020000 }
$sequence_2hex{ f6c101 b87f2fecea 0f45c7 3d31ee0d42 7f26 3d595adebc 742f }
$sequence_3hex{ e9???????? 81fb00647d02 7f43 81fb33c3bdff bae82c8662 0f852cd1ffff a1???????? }
$sequence_4hex{ f6c101 0f94c0 813d????????0a000000 0f9cc1 08c1 b831656685 b971a69e55 }
$sequence_5hex{ e8???????? 83c408 83ec04 893c24 bfb5092650 89d9 e8???????? }
$sequence_6hex{ e8???????? 83ec04 8b442448 89442404 893424 e8???????? 83ec08 }
$sequence_7hex{ 83ec24 894de8 a1???????? 8b0d???????? 8d50ff 0fafd0 f6c201 }
$sequence_8hex{ e9???????? 81f9e9b5e244 741c 81f9efb2794c bebbba1e5f 7523 8a4de2 }
$sequence_9hex{ 8d7c2448 89f9 e8???????? 83ec08 897c245c b84863c320 bfdedd0bff }

Condition

7 of them and filesize < 2727936

In plain words (Heuristic)

  • The file must be smaller than 2727936 (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: cdf673a7-2ef8-51a2-b7fc-cddcf54ebfb9

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