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DITEKSHEN_INDICATOR_TOOL_Gogoscan

Detects GoGo scan tool

Suspicious / huntingditekSHen detectionBSD 2-Clause LicenseCompiles with YARA-X
Author
ditekSHen
Date
2020-11-06
Modified
2024-09-25
Score / Quality
75 / 75

What this rule detects

Detects GoGo scan tool

Targets: Windows PE.

It defines 7 patterns (7 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
indicator-tool-gogoscan.yarBSD 2-Clause License
rule DITEKSHEN_INDICATOR_TOOL_Gogoscan : FILE
{
	meta:
		description = "Detects GoGo scan tool"
		author = "ditekSHen"
		id = "c24ede04-2971-55f8-8b60-ec3bdca844d7"
		date = "2020-11-06"
		modified = "2024-09-25"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/indicator_tools.yar#L1557-L1571"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "c9fbc98a28c74bf920f5f7d62713834d18b33b5c65483a1bd42e4555764c8346"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "(conn) (scan  (scan) MB in  Value>" ascii
		$s2 = "sweep sysmontargettelnet" ascii
		$s3 = "%d bytes(?i) (.*SESS.*?ID)([a-z0-9])([A-Z]+)" ascii
		$s4 = "prepareForSweep" ascii
		$s5 = "Scanned %s with %d ports, found %d" ascii
		$s6 = "/chainreactors/gogo/" ascii
		$s7 = "Starting task %s ,total ports: %d , mod: %s" ascii

	condition:
		uint16( 0 ) == 0x5a4d and 6 of them
}

Strings (7 patterns)

IdentifierTypeValueModifiers
$s1text"(conn) (scan (scan) MB in Value>"ascii
$s2text"sweep sysmontargettelnet"ascii
$s3text"%d bytes(?i) (.*SESS.*?ID)([a-z0-9])([A-Z]+)"ascii
$s4text"prepareForSweep"ascii
$s5text"Scanned %s with %d ports, found %d"ascii
$s6text"/chainreactors/gogo/"ascii
$s7text"Starting task %s ,total ports: %d , mod: %s"ascii

Condition

uint16( 0 ) == 0x5a4d and 6 of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • At least 6 patterns in the rule must match.

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References

Licence & attribution

Author: ditekSHen

Source repository: ditekSHen detection @ e76c93dcde

Licence: BSD 2-Clause License (repository licence)

Copyright notice: Copyright 2021 by ditekSHen (https://github.com/ditekshen/detection).

Original rule

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

Rule id: c24ede04-2971-55f8-8b60-ec3bdca844d7

Tags:FILE

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