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MALPEDIA_Win_Remsec_Strider_Auto

autogenerated rule brought to you by yara-signator

MalwareRemsec StriderMalpedia 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: Remsec Strider.

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

Summary generated from the rule's metadata and condition.

Rule source

win-remsec-strider-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Remsec_Strider_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "93d7c134-a0ad-5c16-bc89-30d185388895"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.remsec_strider"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.remsec_strider_auto.yar#L1-L117"
		license_url = "N/A"
		logic_hash = "29e44d38af97db95f11e8c59f54ea320dd3b7845ed8c783c342cceb626aed10b"
		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 = { 59 59 85c0 742e 8b4608 }
		$sequence_1 = { c6862b0400003e c6862f0400003f c6863d04000000 8bc6 }
		$sequence_2 = { 83f90a 7cf2 68ff000000 8dbe00040000 6880000000 }
		$sequence_3 = { eb07 c7400804000000 5f 5e }
		$sequence_4 = { 8b4724 894644 eb16 8b4724 89466c eb0e }
		$sequence_5 = { eb0a dec9 eb06 dee9 eb02 dec1 }
		$sequence_6 = { ff37 ffd6 50 ff15???????? 8bf0 }
		$sequence_7 = { 6800040000 50 ff15???????? 83c410 33c0 5f 5e }
		$sequence_8 = { 83661c00 83661400 8bce 5e e9???????? }
		$sequence_9 = { ff750c e8???????? 83c410 ff75fc ff15???????? 59 }

	condition:
		7 of them and filesize < 344064
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 59 59 85c0 742e 8b4608 }
$sequence_1hex{ c6862b0400003e c6862f0400003f c6863d04000000 8bc6 }
$sequence_2hex{ 83f90a 7cf2 68ff000000 8dbe00040000 6880000000 }
$sequence_3hex{ eb07 c7400804000000 5f 5e }
$sequence_4hex{ 8b4724 894644 eb16 8b4724 89466c eb0e }
$sequence_5hex{ eb0a dec9 eb06 dee9 eb02 dec1 }
$sequence_6hex{ ff37 ffd6 50 ff15???????? 8bf0 }
$sequence_7hex{ 6800040000 50 ff15???????? 83c410 33c0 5f 5e }
$sequence_8hex{ 83661c00 83661400 8bce 5e e9???????? }
$sequence_9hex{ ff750c e8???????? 83c410 ff75fc ff15???????? 59 }

Condition

7 of them and filesize < 344064

In plain words (Heuristic)

  • The file must be smaller than 344064 (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: 93d7c134-a0ad-5c16-bc89-30d185388895

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