YARA · Malpedia signator rules
MALPEDIA_Win_Poison_Ivy_Auto
autogenerated rule brought to you by yara-signator
MalwarePoison IvyMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Poison Ivy.
It defines 8 patterns (0 text, 8 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-poison-ivy-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Poison_Ivy_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "a2d89fd6-480f-57cd-bd0d-2560bff27c54"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.poison_ivy"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.poison_ivy_auto.yar#L1-L100"
= "N/A"
= "b2475431ed758e3ff8935e1c74ac6b4f3926f08275a382bf8b4567e43b005f1e"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 68ff000000 8d86b1060000 50 6a01 6a00 8d86120e0000 50 }
$sequence_1 = { eb05 b901000080 8d45fc 50 683f000f00 }
$sequence_2 = { 57 ff9681000000 80beaf08000001 7507 }
$sequence_3 = { 683f000f00 6a00 57 51 }
$sequence_4 = { 80beaf08000001 7507 b902000080 eb05 b901000080 }
$sequence_5 = { 59 51 57 ff9681000000 8d45fc }
$sequence_6 = { 6a00 8d86120e0000 50 ff75fc ff563d ff75fc ff5631 }
$sequence_7 = { 57 51 ff5635 68ff000000 8d86b1060000 }
condition:
7 of them and filesize < 204800
}
Strings (8 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 68ff000000 8d86b1060000 50 6a01 6a00 8d86120e0000 50 } | |
| $sequence_1 | hex | { eb05 b901000080 8d45fc 50 683f000f00 } | |
| $sequence_2 | hex | { 57 ff9681000000 80beaf08000001 7507 } | |
| $sequence_3 | hex | { 683f000f00 6a00 57 51 } | |
| $sequence_4 | hex | { 80beaf08000001 7507 b902000080 eb05 b901000080 } | |
| $sequence_5 | hex | { 59 51 57 ff9681000000 8d45fc } | |
| $sequence_6 | hex | { 6a00 8d86120e0000 50 ff75fc ff563d ff75fc ff5631 } | |
| $sequence_7 | hex | { 57 51 ff5635 68ff000000 8d86b1060000 } |
Condition
7 of them and filesize < 204800In plain words (Heuristic)
- The file must be smaller than 204800 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: a2d89fd6-480f-57cd-bd0d-2560bff27c54
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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