YARA · ditekSHen detection
DITEKSHEN_MALWARE_Win_PWSH_Poshcookiestealer
Detects PowerShell PoshCookieStealer
- Author
- ditekSHen
- Date
- 2020-11-06
- Modified
- 2024-11-01
- Score / Quality
- 75 / 75
What this rule detects
Detects PowerShell PoshCookieStealer
Associated malware family: PWSH.
It defines 7 patterns (7 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
malware-win-pwsh-poshcookiestealer.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_PWSH_Poshcookiestealer
{
meta:
= "Detects PowerShell PoshCookieStealer"
= "ditekSHen"
= "7326a056-288b-534b-811d-172bd6936d7b"
= "2020-11-06"
= "2024-11-01"
= "https://github.com/ditekshen/detection"
= "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L9066-L9080"
= "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
= "234958098d09732675dd539e8d25c6754ba50bf92b3a19e7fef8c68d70503ec4"
= 75
= 75
= ""
strings:
$s1 = "\\User Data\\default\\Network\\Cookies" ascii nocase
$s2 = "Send-ToEmail" ascii
$s3 = "[Security.Cryptography.ProtectedData]::Unprotect($" ascii
$s4 = "$($env:LOCALAPPDATA)\\" ascii
$s5 = "$($env:HOMEPATH)\\" ascii
$s6 = "|ForEach-Object ToString X2) -join ''" ascii
$s7 = ".Attachments.Add($" ascii
condition:
5 of them
}
Strings (7 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $s1 | text | "\\User Data\\default\\Network\\Cookies" | ascii nocase |
| $s2 | text | "Send-ToEmail" | ascii |
| $s3 | text | "[Security.Cryptography.ProtectedData]::Unprotect($" | ascii |
| $s4 | text | "$($env:LOCALAPPDATA)\\" | ascii |
| $s5 | text | "$($env:HOMEPATH)\\" | ascii |
| $s6 | text | "|ForEach-Object ToString X2) -join ''" | ascii |
| $s7 | text | ".Attachments.Add($" | ascii |
Condition
5 of themIn plain words (Heuristic)
- At least 5 patterns in the rule must match.
Test this rule in your browser
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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).
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 7326a056-288b-534b-811d-172bd6936d7b
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