Skip to content

YARA · Malpedia signator rules

MALPEDIA_Win_Sdbbot_Auto

autogenerated rule brought to you by yara-signator

MalwareSdbbotMalpedia 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: Sdbbot.

It defines 17 patterns (0 text, 17 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-sdbbot-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Sdbbot_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "7d5002c0-d7fd-50b1-bfb2-c37fa40b27a7"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.sdbbot"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.sdbbot_auto.yar#L1-L171"
		license_url = "N/A"
		logic_hash = "de9dc7d37c5bc02342c2b5aae7b7fbfc11a387ed4ab52ccf3403110a8ec7f197"
		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 = { 7413 8a02 8d4901 8841ff 8d5201 }
		$sequence_1 = { 0f8495000000 8b30 8d59f8 0375fc }
		$sequence_2 = { 8b5820 8b4024 03de 03c6 8945f0 0f1f4000 }
		$sequence_3 = { 0f855effffff e9???????? 81f95d68fa3c 757c }
		$sequence_4 = { 8d4901 88440fff 83ea01 75f2 0fb77b14 03fb 0fb75b06 }
		$sequence_5 = { d1eb 8945e8 746e 0fb710 }
		$sequence_6 = { 8955ec 85d2 0f84ae000000 8b83a0000000 }
		$sequence_7 = { ebe2 64a130000000 897df8 8b400c 8b4014 8945fc }
		$sequence_8 = { c3 803d????????00 750c c605????????01 e8???????? }
		$sequence_9 = { 41b9ffff0000 458d6b03 66660f1f840000000000 498b5750 }
		$sequence_10 = { 4c89ac2488000000 488b4818 4c8b7920 4d85ff 0f840e020000 }
		$sequence_11 = { 410fb7dd 41bdffff0000 4963413c 428bbc0888000000 }
		$sequence_12 = { 33ed 4c89b42480000000 48895c2478 e8???????? 4c8be8 }
		$sequence_13 = { 4983c12c 4d85d2 7446 4d03cf 0f1f840000000000 418b49f8 49ffca }
		$sequence_14 = { 0f84a7000000 0f1f840000000000 8b4304 85c0 0f8494000000 448b03 }
		$sequence_15 = { 66660f1f840000000000 498b5750 33c0 450fb74748 0f1f440000 0fb60a }
		$sequence_16 = { 7405 49ffcd ebd9 65488b042560000000 }

	condition:
		7 of them and filesize < 1015808
}

Strings (17 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 7413 8a02 8d4901 8841ff 8d5201 }
$sequence_1hex{ 0f8495000000 8b30 8d59f8 0375fc }
$sequence_2hex{ 8b5820 8b4024 03de 03c6 8945f0 0f1f4000 }
$sequence_3hex{ 0f855effffff e9???????? 81f95d68fa3c 757c }
$sequence_4hex{ 8d4901 88440fff 83ea01 75f2 0fb77b14 03fb 0fb75b06 }
$sequence_5hex{ d1eb 8945e8 746e 0fb710 }
$sequence_6hex{ 8955ec 85d2 0f84ae000000 8b83a0000000 }
$sequence_7hex{ ebe2 64a130000000 897df8 8b400c 8b4014 8945fc }
$sequence_8hex{ c3 803d????????00 750c c605????????01 e8???????? }
$sequence_9hex{ 41b9ffff0000 458d6b03 66660f1f840000000000 498b5750 }
$sequence_10hex{ 4c89ac2488000000 488b4818 4c8b7920 4d85ff 0f840e020000 }
$sequence_11hex{ 410fb7dd 41bdffff0000 4963413c 428bbc0888000000 }
$sequence_12hex{ 33ed 4c89b42480000000 48895c2478 e8???????? 4c8be8 }
$sequence_13hex{ 4983c12c 4d85d2 7446 4d03cf 0f1f840000000000 418b49f8 49ffca }
$sequence_14hex{ 0f84a7000000 0f1f840000000000 8b4304 85c0 0f8494000000 448b03 }
$sequence_15hex{ 66660f1f840000000000 498b5750 33c0 450fb74748 0f1f440000 0fb60a }
$sequence_16hex{ 7405 49ffcd ebd9 65488b042560000000 }

Condition

7 of them and filesize < 1015808

In plain words (Heuristic)

  • The file must be smaller than 1015808 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

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: 7d5002c0-d7fd-50b1-bfb2-c37fa40b27a7

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