YARA · Malpedia signator rules
MALPEDIA_Win_Shady_Hammock_Auto
autogenerated rule brought to you by yara-signator
MalwareShady HammockMalpedia 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: Shady Hammock.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-shady-hammock-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Shady_Hammock_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "41c3aaa9-ec9c-5423-941f-aed113fcfb80"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.shady_hammock"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.shady_hammock_auto.yar#L1-L120"
= "N/A"
= "b49c92e74da64fe8fdb809be9329ec761057630f027c87ebb0b466286bd101ab"
= 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 = { 48895f30 8b87d0000000 85c0 740c 488d0c03 488bd3 }
$sequence_1 = { 488bc8 488bf8 e8???????? 488b0d???????? 4533c9 }
$sequence_2 = { eb2c 498bcf 488bc3 48d1e9 482bc1 }
$sequence_3 = { 4a8b0c2b 4885c9 75cc ffc5 488d0cad00000000 4803cd }
$sequence_4 = { 4a8d0439 488bda 483bd0 480f42d8 488d4b01 4881f900100000 720a }
$sequence_5 = { 48896f10 498d2c36 48895f18 4d8bc6 488bce 4983ff10 724d }
$sequence_6 = { 4863413c 33db 4c8bea 488bf1 8bbc0888000000 }
$sequence_7 = { 418b88b4000000 4803d0 418b80b0000000 4903c1 }
$sequence_8 = { eb09 488bcb 4883fa0f 743b 803d????????00 7432 4883c208 }
$sequence_9 = { 0fb74c4420 6643890c46 49ffc0 4983f81d }
condition:
7 of them and filesize < 635904
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 48895f30 8b87d0000000 85c0 740c 488d0c03 488bd3 } | |
| $sequence_1 | hex | { 488bc8 488bf8 e8???????? 488b0d???????? 4533c9 } | |
| $sequence_2 | hex | { eb2c 498bcf 488bc3 48d1e9 482bc1 } | |
| $sequence_3 | hex | { 4a8b0c2b 4885c9 75cc ffc5 488d0cad00000000 4803cd } | |
| $sequence_4 | hex | { 4a8d0439 488bda 483bd0 480f42d8 488d4b01 4881f900100000 720a } | |
| $sequence_5 | hex | { 48896f10 498d2c36 48895f18 4d8bc6 488bce 4983ff10 724d } | |
| $sequence_6 | hex | { 4863413c 33db 4c8bea 488bf1 8bbc0888000000 } | |
| $sequence_7 | hex | { 418b88b4000000 4803d0 418b80b0000000 4903c1 } | |
| $sequence_8 | hex | { eb09 488bcb 4883fa0f 743b 803d????????00 7432 4883c208 } | |
| $sequence_9 | hex | { 0fb74c4420 6643890c46 49ffc0 4983f81d } |
Condition
7 of them and filesize < 635904In plain words (Heuristic)
- The file must be smaller than 635904 (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: 41c3aaa9-ec9c-5423-941f-aed113fcfb80
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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