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YARA · Signature Base (Florian Roth / Nextron)

SIGNATURE_BASE_EXPL_Macos_Switcharoo_Indicator_Dec22

Detects indicators found after exploitations of CVE-2022-46689

ExploitSignature Base (Florian Roth / Nextron)Detection Rule License 1.1Compiles with YARA-X
Author
Florian Roth (Nextron Systems)
Date
2022-12-19
Modified
2023-12-05
Score / Quality
65 / 85

What this rule detects

Detects indicators found after exploitations of CVE-2022-46689

It defines 1 patterns (1 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
expl-macos-switcharoo-indicator-dec22.yarDetection Rule License 1.1
rule SIGNATURE_BASE_EXPL_Macos_Switcharoo_Indicator_Dec22 : CVE_2022_46689 FILE
{
	meta:
		description = "Detects indicators found after exploitations of CVE-2022-46689"
		author = "Florian Roth (Nextron Systems)"
		id = "d5d9559a-c19c-5ddc-9d72-701986a9d7ac"
		date = "2022-12-19"
		modified = "2023-12-05"
		reference = "https://github.com/zhuowei/MacDirtyCowDemo"
		source_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/expl_macos_switcharoo_dec22.yar#L42-L54"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		logic_hash = "9b9ea134fc4b3a7b15ae585ced2e12cbe1defc54bc6175282d6b7a2a0b65abd1"
		score = 65
		quality = 85
		tags = "CVE-2022-46689, FILE"

	strings:
		$x1 = "auth       sufficient     pam_permit.so" ascii

	condition:
		filesize < 1KB and $x1
}

Strings (1 patterns)

IdentifierTypeValueModifiers
$x1text"auth sufficient pam_permit.so"ascii

Condition

filesize < 1KB and $x1

In plain words (Heuristic)

  • The file must be smaller than 1KB (a cheap guard that skips large files).
  • Pattern $x1 must be present.

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References

Licence & attribution

Author: Florian Roth (Nextron Systems)

Source repository: Signature Base (Florian Roth / Nextron) @ 94a1c48d7a

Licence: Detection Rule License 1.1 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: d5d9559a-c19c-5ddc-9d72-701986a9d7ac

Tags:CVE_2022_46689FILE

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