YARA · SEKOIA.IO Community
SEKOIA_Infostealer_Win_Edgeguard
Finds EdgeGuard Stealer samples based on specific strings
- Author
- Sekoia.io
- Date
- 2023-08-22
- Modified
- 2024-12-19
- Score / Quality
- 75 / 80
What this rule detects
Finds EdgeGuard Stealer samples based on specific strings
Targets: Windows PE.
It defines 18 patterns (18 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
infostealer-win-edgeguard.yarDetection Rule License 1.1
rule SEKOIA_Infostealer_Win_Edgeguard : FILE
{
meta:
= "Finds EdgeGuard Stealer samples based on specific strings"
= "Sekoia.io"
= "bbdb362f-d235-48f8-8fa5-d340d4e3e3f0"
= "2023-08-22"
= "2024-12-19"
= "https://github.com/SEKOIA-IO/Community"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/infostealer_win_edgeguard.yar#L1-L32"
= "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
= "11396aea2e166456ec8311f95a8037aac41f69caf3158f8c19cb0c38327842d6"
= 75
= 80
= "FILE"
= "1.0"
= "TLP:CLEAR"
strings:
$str01 = "main.downloadnecessary" ascii
$str02 = "main.extractchromepasswords" ascii
$str03 = "main.extracttasksch" ascii
$str04 = "main.BrowserDownloadsViewExtract" ascii
$str05 = "main.stealmetamask" ascii
$str06 = "main.stealexoduswallet" ascii
$str07 = "main.moveatomic" ascii
$str08 = "main.movefirefoxcookies" ascii
$str09 = "main.movepasswords" ascii
$str10 = "main.FinallyZIPIPFolder" ascii
$str11 = "edgeguard.business" ascii
$str12 = "/License.XenArmor" ascii
$str13 = "/TaskSchedulerView.exe" ascii
$str14 = "/BrowsingHistoryView.exe" ascii
$str15 = "/outlookfiles/starter.exe" ascii
$str16 = "/outlookfiles/External.zip" ascii
$str17 = "/outlookfiles/XenManager.dll" ascii
$str18 = "/outlookfiles/EmailPasswordRecoveryPro.exe" ascii
condition:
uint16( 0 ) == 0x5a4d and 10 of ( $str* )
}
Strings (18 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $str01 | text | "main.downloadnecessary" | ascii |
| $str02 | text | "main.extractchromepasswords" | ascii |
| $str03 | text | "main.extracttasksch" | ascii |
| $str04 | text | "main.BrowserDownloadsViewExtract" | ascii |
| $str05 | text | "main.stealmetamask" | ascii |
| $str06 | text | "main.stealexoduswallet" | ascii |
| $str07 | text | "main.moveatomic" | ascii |
| $str08 | text | "main.movefirefoxcookies" | ascii |
| $str09 | text | "main.movepasswords" | ascii |
| $str10 | text | "main.FinallyZIPIPFolder" | ascii |
| $str11 | text | "edgeguard.business" | ascii |
| $str12 | text | "/License.XenArmor" | ascii |
| $str13 | text | "/TaskSchedulerView.exe" | ascii |
| $str14 | text | "/BrowsingHistoryView.exe" | ascii |
| $str15 | text | "/outlookfiles/starter.exe" | ascii |
| $str16 | text | "/outlookfiles/External.zip" | ascii |
| $str17 | text | "/outlookfiles/XenManager.dll" | ascii |
| $str18 | text | "/outlookfiles/EmailPasswordRecoveryPro.exe" | ascii |
Condition
uint16( 0 ) == 0x5a4d and 10 of ( $str* )In plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- At least 10 patterns in ( $str* ) must match.
Test this rule in your browser
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References
Licence & attribution
Author: Sekoia.io
Source repository: SEKOIA.IO Community @ a438a5901a
Licence: Detection Rule License 1.1 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: bbdb362f-d235-48f8-8fa5-d340d4e3e3f0
Metadata
| version | 1.0 |
|---|---|
| classification | TLP:CLEAR |
Tags:FILE
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