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Chinese Hacktool Set - file ms10048-x64.exe

yara LOW Yara-Rules
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This rule was pulled from an open-source repository and enriched with AI. Validate in a test environment before deploying to production.
View original rule at Yara-Rules →
Retrieved: 2026-07-18T11:00:00Z · Confidence: medium

Hunt Hypothesis

This hunt targets adversaries deploying the specific “ms10048-x64.exe” artifact associated with Chinese hacktool sets to establish persistence or conduct reconnaissance within the environment. Proactively hunting for this file in Azure Sentinel is critical because its low-severity classification may cause it to be overlooked by automated alerts, allowing attackers to maintain a stealthy foothold before escalating their operations.

YARA Rule

rule ms10048_x64 {
	meta:
		description = "Chinese Hacktool Set - file ms10048-x64.exe"
		author = "Florian Roth"
		reference = "http://tools.zjqhr.com/"
		date = "2015-06-13"
		hash = "418bec3493c85e3490e400ecaff5a7760c17a0d0"
	strings:
		$s1 = "The target is most likely patched." fullword ascii
		$s2 = "Dojibiron by Ronald Huizer, (c) master#h4cker.us  " fullword ascii
		$s3 = "[ ] Creating evil window" fullword ascii
		$s4 = "[+] Set to %d exploit half succeeded" fullword ascii
	condition:
		uint16(0) == 0x5a4d and filesize < 40KB and 1 of them
}

Deployment Notes

This YARA rule can be deployed in the following contexts:

This rule contains 4 string patterns in its detection logic.

References

False Positive Guidance

Here are 5 specific false positive scenarios for the Chinese Hacktool Set - file ms10048-x64.exe detection rule, including suggested filters and exclusions:

Original source: https://github.com/Yara-Rules/rules/blob/main/malware/TOOLKIT_Chinese_Hacktools.yar