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MALPEDIA_Win_Shady_Hammock_Auto

autogenerated rule brought to you by yara-signator

MalwareShady HammockMalpedia 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: Shady Hammock.

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

Summary generated from the rule's metadata and condition.

Rule source

win-shady-hammock-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Shady_Hammock_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "41c3aaa9-ec9c-5423-941f-aed113fcfb80"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.shady_hammock"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.shady_hammock_auto.yar#L1-L120"
		license_url = "N/A"
		logic_hash = "b49c92e74da64fe8fdb809be9329ec761057630f027c87ebb0b466286bd101ab"
		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 = { 48895f30 8b87d0000000 85c0 740c 488d0c03 488bd3 }
		$sequence_1 = { 488bc8 488bf8 e8???????? 488b0d???????? 4533c9 }
		$sequence_2 = { eb2c 498bcf 488bc3 48d1e9 482bc1 }
		$sequence_3 = { 4a8b0c2b 4885c9 75cc ffc5 488d0cad00000000 4803cd }
		$sequence_4 = { 4a8d0439 488bda 483bd0 480f42d8 488d4b01 4881f900100000 720a }
		$sequence_5 = { 48896f10 498d2c36 48895f18 4d8bc6 488bce 4983ff10 724d }
		$sequence_6 = { 4863413c 33db 4c8bea 488bf1 8bbc0888000000 }
		$sequence_7 = { 418b88b4000000 4803d0 418b80b0000000 4903c1 }
		$sequence_8 = { eb09 488bcb 4883fa0f 743b 803d????????00 7432 4883c208 }
		$sequence_9 = { 0fb74c4420 6643890c46 49ffc0 4983f81d }

	condition:
		7 of them and filesize < 635904
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 48895f30 8b87d0000000 85c0 740c 488d0c03 488bd3 }
$sequence_1hex{ 488bc8 488bf8 e8???????? 488b0d???????? 4533c9 }
$sequence_2hex{ eb2c 498bcf 488bc3 48d1e9 482bc1 }
$sequence_3hex{ 4a8b0c2b 4885c9 75cc ffc5 488d0cad00000000 4803cd }
$sequence_4hex{ 4a8d0439 488bda 483bd0 480f42d8 488d4b01 4881f900100000 720a }
$sequence_5hex{ 48896f10 498d2c36 48895f18 4d8bc6 488bce 4983ff10 724d }
$sequence_6hex{ 4863413c 33db 4c8bea 488bf1 8bbc0888000000 }
$sequence_7hex{ 418b88b4000000 4803d0 418b80b0000000 4903c1 }
$sequence_8hex{ eb09 488bcb 4883fa0f 743b 803d????????00 7432 4883c208 }
$sequence_9hex{ 0fb74c4420 6643890c46 49ffc0 4983f81d }

Condition

7 of them and filesize < 635904

In plain words (Heuristic)

  • The file must be smaller than 635904 (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: 41c3aaa9-ec9c-5423-941f-aed113fcfb80

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